Physician Directory | Saint John’s Cancer Institute

Kiles, Teresa

Surgical Coordinator

Kodai Abe, MD, PhD, Postdoctoral Research Fellow 2026

Abe, Kodadi, MD, PhD

Postdoctoral Research FellowTranslational & Molecular Sciences

Abraham, M.D., Ronnie M.

Assistant Professor of PathologyDermatopathology
Anatomic and Clinical Pathology

Acosta, Isabella

Administrative AssistantUrology and Urologic Oncology

Adelby, Lamia, N.P.

Nurse PractitionerMinimally Invasive Chest Surgery and Thoracic Surgical Oncology

Ahdoot, Annabelle, M.S., R.D., C.D.E.

Clinical DietitianOutpatient Nutrition and Diabetes Education
Oncology Nutrition Specialist

Warren Allen - Assistant Professor of Pathology - Saint John's Cancer Institute

Allen, Warren, M.D.

Assistant Professor of PathologyCytopathology
Anatomic and Clinical Pathology

Sheryll Aquinde-Saint John's Cancer Institute- Administrative Assistant

Aquinde, Sheryll

Research Assistant

Aronson, Maia, PA-C

Physician AssistantUrology & Urologic Oncology

Austin, David

Sr. Web Content Producer, MarketingCommunications, Website Manager, Creative Services
Reports to: Lisa Van Kreuningen

Avery, Michael, M.D.

Neurosurgical FellowBrain Tumors & Neuroscience

Avila, Aprylle

Supervisor Clinic Operations

Bagdoyan, Hermine

Administrative Assistant Translational Neurosciences

Barkhoudarian, Garni, M.D.

Associate Professor of NeurosurgeryTranslational Neuroscience and Neurotherapeutics
Director, Skull Base Microdissection Anatomy Laboratory

Berezhnikh, Elena, MBA, CCRP

Director, Contracts and Grants

Dr. Anton Bilchik - Saint John's Cancer Institute

Bilchik, Anton, M.D., Ph.D., MBA, FACS

Professor of Surgical OncologyChief of General Surgery
Director of Gastrointestinal and Hepatobiliary Program
Director of Gastrointestinal Research Program

Sia Bolourani, MD, Ph.D - Saint John's Cancer Institute-Surgical Oncology Fellowship 2026

Bolourani, Sia, MD, PhD

Surgical Oncology FellowDonald L. Morton Surgical Oncology Fellowship, Saint John's Cancer Institute

Boucher, Najee

Clinical Research ManagerProvidence Roy and Patricia Disney Family Cancer Center

Boyce, Sabrina

Administrative AssistantTranslational Neurosciences

Brainard, Carol

Administrative AssistantMelanoma, Skin and Soft Tissue Tumors

Bramen, Jennifer, Ph.D.

Senior Program Manager of Clinical ResearchBrain Health Center

Matias Bustos, Ph.D., Instructor,Translational Molecular Medicine

Bustos, Matias, Ph.D.

Assistant ProfessorTranslational Molecular Medicine

Buxton, William, M.D.

Associate Professor of NeurosciencesTranslational Neurosciences

Jose Carrillo, M.D., Associate Professor of Neurosciences

Carrillo, Jose, M.D.

Associate Professor of NeurosciencesTranslational Neurosciences

Carson, Leah

Administrative AssistantOutpatient Nutrition and Diabetes Education

Casiano-Alejandro, Gloria

Financial AnalystLA Regional Research

Jose Catbagan, TMM - Saint John's Cancer Institute

Catbagan Jr., Jose

Database Specimen CoordinatorTranslational Molecular Medicine

Dr. Tianyu Chen - Molecular Oncology Fellow

Chen, Tianyu, MD

Postdoctoral Research FellowTranslational Molecular Medicine

Chenathukattil, Shanty

Research Associate II

Dr. Tracy Childs, Chief of Surgery - Saint John's Health Center

Childs, Tracey, MD, MPH, FACS

Adjunct Assistant Professor, Surgery

Choe, Jane

Clinical Data Abstractor

Kelly Chong Ph. D. - Translational Molecular Research

Chong, Kelly

Senior Clinical Informations ScientistTranslational Molecular Medicine Department

Chow, Yann

Financial AnalystLA Regional Research

Chow, Jared, P.A.-C

Physician AssistantTranslational Neurosciences

Claros, Selenia

Neuro Programs CoordinatorTranslational Neurosciences

Cobb, Erika

Senior Administrative AssistantGastrointestinal and Hepatobiliary Tumors

Coburn, Michael

Facilities Assistant

Cook, Jane, R.D.

Registered Dietitian

Crane-Okada, Rebecca, Ph.D., R.N., C.N.S., A.O.C.N.

Professor of OncologyProgram Manager, Cancer Patient Support & Willow Sage Wellness
Margie Petersen Breast Center

Crutcher, Rhonda

Clinical Research Coordinator

De Guzman, PhD, Sagie

Nurse Practitioner Urology and Urologic Oncology

Debelles, Tracy

Clinical Research Associate II, Regulatory

Deroca, Yaellie

Administrative Assistant

Diaz, Brenda

Supervisor - ClericalMelanoma, Skin and Soft Tissue Tumors

Diaz, Natalie, MD MD

Neurology, Pacific Movement Disorders CenterBrain Tumors & Neuroscience

Brian E. Diskin, MD-Saint John's Cancer Institute Surgical Oncology Fellow 2026

Diskin, Brian, MD

Surgical Oncology FellowDonald L. Morton Surgical Oncology Fellowship, Saint John's Cancer Institute

Dubinchik, Aleksandra

Clinical Trial ManagerSolid Tumors and Neurologic Oncology

Duong, Macy

Nurse Practitioner, Breast Medical OncologyMargie Petersen Breast Center

Eisenberg, Amy, N.P.

Nurse PractionerPacific Neuroscience Institute

Ekanayake, Em Taridu

Associate Clinical Research Coordinator

Elliott, Kristen, R.N.

Registered NurseSupportive and Palliative Care Program

Escueta, Gary

Research Specialist

Richard Essner, M.D. FACS - Director of Surgical Oncology

Essner, Richard, M.D. FACS

Co-Director, The Borstein Family Foundation Melanoma Program at Saint John’s Cancer InstituteProfessor of Surgical Oncology

Fancher, Crystal, M.D., FACS

Assistant Professor of Surgical OncologyBreast Surgical Oncologist
Comprehensive Breast Program
Margie Petersen Breast Center

Fischer, Sean, M.D.

Medical OncologyAdjunct Assistant Professor of Medical Oncology

Fischer, Trevan, M.D.

Assistant Professor of Surgical OncologyAssistant Program Director of Complex General Surgical Oncology Fellowship

Flores, Joeana

Research Assistant

Forte, Mary, R.N.

Registered NurseBreast Center Nurse Navigator
Breast Surgery and Oncology

Foshag, Leland, M.D.

Professor of Surgical OncologyDirector for Complex General Surgical Oncology Fellowship

Franc, Dan, M.D.

Adjunct Assistant ProfessorTranslational Neurosciences

Frankle, Molly

Genetic CounselorOncology Clinical Program

Frieder, Richard, M.D.

GeneticsAssistant Professor of Genetics

Frost, Janice

Director of Outpatient Oncology Services

Fu, Susan, P.T., D.P.T., O.C.S., A.T.C., C.S.C.S.

Physical TherapistDirector of Rehabilitation Services

Satoru Furuhashi - Postdoctoral Research Fellow - Saint John's Cancer Institute

Furuhashi, Satoru, Ph.D

Postdoctoral Research FellowTranslational Molecular Medicine

Gabriel, Simon, M.D.

RadiologyAssistant Professor of Radiology

Kyle Garcia, MD-Saint John's-Cancer-Institute-Urologic Surgical Oncology Fellowship

Garcia, Kyle, MD

Urologic Surgical Oncology FellowUrologic Surgical Oncology Fellowship, Saint John's Cancer Institute

Garcia, Jr., Gustavo

Research SpecialistGenome Sequencing Department

Garrett, Diana, P.T., D.P.T., O.C.S., C.L.T., C.S.C.S.

Physical TherapistOutpatient Rehabilitation Supervisor

Garver, Kelly

Clinical Research Associate IIMelanoma, Skin and Soft Tissue Tumors

Giesser, Barbara, MD

Adjunct Assistant Professor Multiple Sclerosis Neurosciences

Gilliam, Alyssa

Administrative AssistantMinimally Invasive Chest Surgery and Thoracic Surgical Oncology

Dr. Melanie Goldfarb - Radiofrequency Ablation RFA - Saint Johns Cancer Institute

Goldfarb, Melanie, M.D., M.Sc., FACS, FACE

Professor of SurgeryDirector, Center for Endocrine Tumors and Disorders
Medical Director for Cancer Survivorship

Gomez, Stacey

Research Associate I

Gonsalves, Kristen

Operations ManagerMargie Petersen Breast Center

Gordon, Ora, MD, MS, FACMGG

Executive Director of Cancer Services, Saint John's Cancer Institute & Disney Family Cancer CenterRegional Medical Director, Clinical Genetics & Genomics Program
Clinical Director, Population Genomics Program
Chair, Integrated Network Cancer Program (INCP) PSJH Southern California
Professor of Genetics, Saint John's Cancer Institute (Formerly John Wayne Cancer Institute)

Gowrinathan, Shanthi, M.D.

Director of Psycho-Oncology and Cancer Support ServicesPsychiatrist

Grazer, Breanne, MSN, ACNP-BC

Nurse PractitionerSupportive & Palliative Care

Greenberg, Joseph, LCSW, OSW-C

Oncology Clinical Social WorkerCancer Support and Survivorship

Griffiths, Chester, M.D.

Otolaryngology - Endoscopic Skull-baseProfessor of Neurosurgery
Department of Translational Neurosciences

Gross, Rebecca

Research AssociateTranslational Molecular Medicine

Dr. Janie Grumley, M.D., FACS - Director, Comprehensive Breast Program, Margie Petersen Breast Center

Grumley, Janie, M.D., FACS

Professor of Surgical OncologyBreast Surgical Oncologist
Director, Comprehensive Breast Program, Margie Petersen Breast Center

Grunwald, Tiffany, M.D.

Adjunct Assistant Professor of SurgeryAdjunct Assistant Professor of Surgery
Breast Surgery and Oncology

Gurrola, Angelica

Clinical Materials Coordinator

Hammond, Terese, M.D.

Medical Director CCU/ICU

Dr. Nicketti Handy-Breast Surgical Oncology Fellow-Saint John's Cancer Institute

Handy, Necketti, M.D.

Breast Surgical OncologistProvidence, Saint Joseph's

Haque, Anisha

Research Volunteer

Haro, Margaret

ClerkBreast Surgery and Oncology

Dr Yoshinori Hayashi-Saint John's Cancer Institute-Research Fellow

Hayashi, Yoshinori, M.D., Ph.D

Postdoctoral Research Fellow

Helman, Jerome, M.D.

Adjunct Assistant Professor

Hernandez, Debbie

Administrative AssistantMinimally Invasive Chest Surgery and Thoracic Surgical Oncology

Herrera, Chantal

Social Worker

Hill, James, M.D.

Interventional RadiologyDiagnostic Radiology
Interventional Radiology

Ho, Ying Fai

Senior Database Developer

Hoon, Dave, Ph.D.

Director, SJCI Translational ResearchProfessor and Director of Genomic Sequencing Center
Professor and Director of Dept Translational Molecular Medicine

Hudson, Rev. Dan

Manager, Spiritual CareProvidence Saint John’s Health Center

Jeffrey, Symphony

Administrative AssociateMelanoma, Skin and Soft Tissue Tumors
Urology and Urologic Oncology

Jimenez, Gianna

Clinical Data Abstractor Urology & Urologic Oncology

Jordan, Sheldon, M.D.

Adjunct Associate ProfessorTranslational Neurosciences

Tiffany Juarez, Ph.D. - Translational Neurosciences

Juarez, Tiffany, Ph.D.

Program ManagerTranslational Neurosciences

Kane, Laurie, M.D.

EndocrinologyEndocrinologist

Keller, Hilary, MD

Surgical Oncology Fellow

Kelly, Daniel, M.D.

Professor of NeurosurgeryTranslational Neurosciences
Director of Brain Tumor Centers and Pituitary Disorders Program

Santosh Kesari, M.D., Ph.D. - Professor of Neurosciences

Kesari, Santosh, M.D., Ph.D.

Professor of NeurosciencesChair, Department of Translational Neurosciences
Director of Neuro-oncology

Kessler, Daria, Ph.D.

BioinformaticianDepartment of Computational Biology

SooMin Kim - Translational Molecular Medicine & Genome Sequencing

Kim, SooMin

VolunteerTranslational Molecular Medicine

Kirsch, Daniel, M.D.

RadiologistBreast Surgery and Oncology

Kishi, Carole, P.T., D.P.T., C.L.T.

Physical TherapistOutpatient Rehabilitation Supervisor

Kochhar, Amit

Otolaryngologist - Head and Neck Reconstructive Surgery

Kolker, Steven, M.D.

Assistant Professor of PathologyDirector, Dermatopathology
Anatomic and Clinical Pathology

Krasne, David, M.D.

Professor of PathologyAnatomic Pathology
Clinical and Laboratory Pathology

Krauss, MD, Howard

NeuroopthalmologyProfessor of Surgery
Director of Eye, Ear & Skull Base Center

Kristedja, Timothy, M.D., MPH

Medical OncologyOncologists

Dr. Charlotta La Via - Adjunct Plastic Surgeon

La Via, Charlotta, M.D.

Adjunct Plastic SurgeonBreast Surgery and Oncology

Landa, Evie, P.A.-C

Physician AssistantTranslational Neurosciences

Langevin, Jean-Philippe, M.D.

NeuroscienceDirector, Restorative Neurosurgery and Deep Brain Stimulation Program;
Director Neuro-Spine Surgery, Spine Institute, PNI-South Bay; Neurosurgery
Translational Neurosciences

Lara, Timo, R.N., M.S.N., NP-C, A.O.C.N.P.

Nurse PractitionerRadiation Oncology Nurse Practitioner

LaRose, Laura, M.S.N., R.N.-B.C., AGACNP-BC, AOCNS

Nurse PractitionerHematology Oncology

Lascano, Danny

Surgical Oncology Fellow

Layne, Scott, M.D., F.A.C.P., F.I.D.S.A.

ProfessorInfectious Disease Medicine
COVID-19

Lee, Nathaniel, M.D

Surgical Oncology FellowMatched for August 2019

Levin, Ian

RadiologistBreast Surgery and Oncology

Lewis, Susanne, R.N.

Registered Nurse Navigator Urology and Urologic Oncology

Lin, Hsing

Senior Administrative AssistantMedical Oncology
Urology and Urologic Oncology

Lin, Rose, M.D.

EndocrinologyEndocrinologist

Linares, Nancy

Administrative AssistantTranslational Neurosciences

Linehan, Jennifer, M.D.

Associate Professor of Urology and Urologic OncologyDirector of Urology Translational Research

Linke, Paul

Clinical Research Associate II

Lopez, Teresa

Financial AnalystLA Regional Research

Lopez, Victor

Research Associate IITranslational Molecular Medicine Genomic Sequencing Center

Lorimer, Patrick, M.D.

Surgical Oncology FellowMatched for August 2019

Lorrin, Erik

VolunteerTranslational Molecular Medicine Department

Kristel Lourdault, Senior Research Assistant

Lourdault, Kristel

Senior Research ScientistMelanoma and Cutaneous Oncology Research Laboratories

Lynch, Kathleen

Research PharmacistLA Regional Research Market

Madden, Brian, M.D.

Supportive and Palliative CareAdjunct Professor of Medicine
Medical Director for Supportive and Palliative Care Programs

Madere, DeLisa

Research AssistantTranslational Neurosciences

Magner, Laura

Research SpecialistGenomics

Makarewicz, Paul

Director of Mission LeadershipProvidence Saint John’s Health Center

Marcus, Rebecca, M.D.

Surgical Oncology Fellow

Dr. Kim Margolin - Medical Director of the SJCI Melanoma Program

Margolin, MD, Kim

Medical Director of The Borstein Family Foundation Melanoma Program at Saint John’s Cancer Institute

Martello, Theresa, R.N., B.S.N.

Nurse NavugatorTranslational Neurosciences

Martinez, Guadalupe

Director, Research FinanceLos Angeles Regional Research

McCabe, Jillian

Surgical Oncology Fellow

McGreevy, Kristen, M.S.

BioinformaticianDepartment of Computational Biology

McKenna, Kathy

Clinical ManagerMinimally Invasive Chest Surgery and Thoracic Surgical Oncology

McLaughlin, Rob

Administrative AssistantCancer Center

Medina, Deysy

Administrative Assistant

Katiuscha Merath, MD-Saint John's Cancer Institute-Surgical Oncology Fellow 2026

Merath, Katiuscha, MD

Surgical Oncology FellowDonald L. Morton Surgical Oncology Fellowship, Saint John's Cancer Institute

Merrill, David, M.D.

Associate Professor of NeurosciencesDepartment of Translational Neurosciences

Somayeh Meysami, MD - Clinical Research Scientist

Meysami, Somayeh

Assistant Professor of Neurosciences, Department of Translational NeurosciencesClinical Research Scientist, Pacific Brain Health Center

Daniel P. Milgrom, MD - Saint John's Health Center

Milgrom, Daniel, M.D.

Surgical Oncology Fellow

Montgomery, Eric

Financial Analyst

Moon, Jamie

Associate Biostatistician Translational Molecular Medicine & Genome Sequencing

Movassaghi, Mehran, M.D., MBA

Assistant Professor UrologyDirector of Men’s Health at Providence Saint John's Health Center

Mund, Debra, M.D.

Radiologist

Yalda Naeini, M.D. - Assistant professor of pathology

Naeini, Yalda, M.D.

Assistant Professor of PathologyHematopathology
Surgical Pathology
Director, Hematology Laboratory

Nagai, Yuzo, Ph.D.

Postdoctoral Research FellowTranslational Molecular Medicine

Nakano, Yusuke, MD, PhD

Postdoctoral Research FellowTranslational & Molecular Sciences

Narayanan, Ramkishen

Urologic Oncologist

Nassoiy, Sean, D.O.

Surgical Oncology Fellow

Nersesian, Raffi

Clinical Research AssociateTranslational Neurosciences

Netschert, Caroline

Spiritual CareChaplain Resident at Providence St. Joseph Health

Nguyen, Minhdan, P.A.-C

Physician AssistantTranslational Neurosciences

Nguyen, Xuan

Administrative AssistantMinimally Invasive Chest Surgery and Thoracic Surgical Oncology

Nishi, Tomohiko, Ph.D.

Postdoctoral Research Fellow

Nishikubo, Carol

Adjunct Assistant Professor of Medical Oncology

Nomura, Natsuko

Lab ManagerTranslational Neurosciences

Novak, Alston

Administrative AssistantCancer Support Services
Margie Petersen Breast Center

Ochoa, Stephanie

Medical Assistant, LeadMelanoma, Skin and Soft Tissue Tumors

Kazuaki Okamoto, MD, PhD - Postdoctural Research Fellow 2026

Okamoto, Kazuaki, MD, PhD

Postdoctoral Research FellowTranslational & Molecular Sciences

Oliver, Lisa

Breast Clinic Supervisor

Dr. Javier Orozco - Saint John's Cancer Institute

Orozco, Javier, M.D.

Senior Research ScientistCancer Epigenetics Laboratory

Orringer, Jay, M.D.

Adjunct Plastic SurgeryBreast Surgery and Oncology

Ower, Tara (Kays)

Nurse PractitionerBreast Surgery and Oncology

Mark Christopher Padillo-Saint Johns Cancer Institute

Padillo, MPA, C-TAGME, Mark

Manager Medical EducationInstitution | CGSO & BSO Fellowships

Angela Pallesi, MD - Saint John's Cancer Institute-Brest Surgical Oncology Fellowship 2025

Pallesi, Angela, MD

Breast Surgical Oncology FellowMargie Petersen Breast Center

Park, Rachelle, R.N., B.S.N., O.C.N.

Registered NurseBreast Center Nurse Navigator
Breast Surgery and Oncology

Park, Hyo K.

Gynecologic OncologistWomen’s Health and Wellness Institute

Patterson, Karen, M.S.N., FNP-C, A.C.H.P.N.

Nurse PractitionerSupportive & Palliative Care

Patterson, Stacey

Imaging Breast Surgery and Oncology

Dr. Parvin Peddi - Medical Oncologist & Hematologist

Peddi, Parvin

Associate Professor of Medical OncologyDirector of Breast Medical Oncology

Perez, Sergio

Facilities SupervisorPlant Operations and Maintenance

Dr. Verna Porter - Pacific Neuroscience Institute

Porter, Verna, M.D.

Professor of NeurosciencesTranslational Neurosciences

Powell Avila, Tiffany, M.D.

Adjunct Assistant Professor

Quan, Yueqin

Research AssociateTranslational Neurosciences

Ramiscal, Judi, M.D.

Surgical Oncology Fellow2019-2021

Ramos, Irene, MSc

Department Laboratory ManagerTranslational Molecular Medicine

Rangoola, Anmol, PA-C

Physician AssistantMedical Oncology
Urology and Urologic Oncology

Rettinger, Sarah, M.D., FACE

EndocrinologyAssistant Professor of Endocrinology

Rocha, MSN, AGNP-BC, RN, OCN, Ana

Nurse Practitioner Breast Oncology Nurse Practitioner
Cancer Survivorship

Rodriguez, Amanda

Senior Clinical Data Abstractor

Ross, Shamira

Administrative AssistantDepartment of Endocrine Tumors and Disorders

Rudichuk, Lauren

Supervisor, Genetic Counselor

Rue, Kai

Research Associate II

Ryu, Suyeon

Research Program Manager Genomic Sequencing Department

Seena Sefavy, MD-Saint John's Cancer Institute-Urologic Surgical Oncology Fellowship

Safavy, Seena, MD

Urologic Surgical Oncology FellowUrologic Surgical Oncology Fellowship, Saint John's Cancer Institute

Samuels, Estela, C.T.R.

Clinical Database ManagerBreast Surgery and Oncology
Melanoma, Skin and Soft Tissue Tumors

Sandoval, Maricela

Administrative AssistantTranslational Neurosciences

Robyn Sapico - Senior Administrative Assistant -Saint John's Cancer Institute

Sapico, Robyn

Sr. Administrative Assistant

Sarafin, Caroline, M.S.W.

Oncology Clinical Social WorkerOutpatient Social Worker

Marlon Garzo Saria, PhD, RN, AOCNS, FAAN

Saria, Marlon Garzo, PhD, RN, AOCNS, FAAN

Assistant Professor of NeurosciencesTranslational Neurosciences
Director, Neuroscience Quality and Outcomes Research

Savage, Marisol

Clinical Research Associate

Vicki Schiller, MD - Saint John's Health Center

Schiller, Vicki, M.D.

Radiologist

Schlifke, Deanna, BSN, RN, OCN

Nurse Manager - Cancer, Breast, and Infusion CentersCancer Center | Infusion Center | Breast Center

Schmidt, Adriana, M.D.

Adjunct Assistant Professor of DermatologyMelanoma, Skin and Soft Tissue Tumors

Sharma, Akanksha, M.D.

Assistant ProfessorNeuro-Oncology
Translational Neurosciences

Shin, Paul

Surgical Oncology Fellow

Yoshiaki Shoji, M.D., Ph.D., Postdoctoral Research Fellow

Shoji, Yoshiaki, M.D., Ph.D.

Postdoctoral Research FellowTranslational Molecular Medicine

Dayle Silverio - Sr. Administrative Assistant

Silverio, Dayle

Sr. Administrative AssistTranslational Molecular Medicine & Genome Sequencing

Simanian, Melody PA-C

Physician Assistant

Singer, Frederick, M.D.

Professor of EndocrinologyDirector of the Endocrine and Bone Disease Program

Sivakumar, Walavan, M.D.

Associate Professor of NeurosurgeryTranslational Neurosciences

Slayton, Eric

Clinical CoordinatorPalliative & Supportive Care

Smalberg, Ira, M.D.

Associate Professor of Radiology

Smith, Tonja

Regional Manager, Regulatory Affairs

Stern, Lisa, P.A.

Physician AssistantGynecologic Oncology

Stern, Stacey

Manager of Data Management

Stofka, Siobhan

Registered Nurse

Su, Jeanie, M.D.

Urologic Oncology FellowUrology and Urologic Oncology

Tachejian, Gacia

Clinical Research Associate II

Dai Takamatsu, MD, PhD, Postdoctoral Research Fellow - 2026

Takamatsu, Dai, MD, PhD

Postdoctoral Research FellowTranslational & Molecular Sciences

Takamichi, Yokoe

Postdoctoral Research Fellow

Yuki Takasumi - Assistant Professor of Pathology - Saint John's Cancer Institute

Takasumi, Yuki, M.D.

Assistant Professor of PathologyAnatomic and Clinical Pathology

Takeshima, Teh-ling

Research Associate

Tamula, Giselle, N.P.

Nurse PractitionerBrain Tumors and Neuroscience

Tapia, Mary

Administrative AssistantMelanoma, Skin and Soft Tissue Tumors

Tarpley, Jason, MD, PhD MD, PhD

Assistant Professor NeuroDirector, Stroke & Neurovascular Center; Vascular and Interventional Neurology
Brain Tumors & Neuroscience

Tran, David, M.D.

Interventional RadiologyDiagnostic Radiology
Interventional Radiology

Tran, Linh

Research Associate IITranslational Molecular Medicine
Genomic Sequencing Center

Truong, Judy, P.A.-C

Physician AssistantTranslational Neurosciences

Twardowski, Przemyslaw W.

Professor of Medical Oncology and Urologic OncologyDirector of Clinical Research, Urology and Urologic Oncology

Ukhuegbe, Tonneka

Administrative Associate

Nicholas Ullman, MD-Saint John's Cancer Institute-Surgical Oncology Fellowship-2026

Ullman, Nicholas, MD

Surgical Oncology FellowDonald L. Morton Surgical Oncology Fellowship, Saint John's Cancer Institute

Uppu, Rithika

Intern

Valdez, Betsy

Laboratory AssistantCancer Epigenetics Laboratory

Lisa Van Kreunigen - Saint Johns Cancer Institute

Van Kreuningen, Lisa, M.S.

Director, Research Operations

Varela, Sylvia

Clinical Data Abstractor

Steven Vasilev M.D. MBA FACOG FACS FACN ABIHM ABOIM

Vasilev, Steven, M.D., MBA, FACOG, FACS, FACN, ABIHM, ABOIM

Professor of Gynecologic OncologyMedical Director of Integrative Gynecologic Oncology
Medical Director of Integrative Medicine
Director of Gynecologic Oncology Research

Dr. April Vassantachart - Raditaion Oncologist - Saint John's Health Center

Vassantachart, April

Radiation Oncologist

Vokshoor, Amir

Adjunct Assistant Professor of NeurosurgeryDepartment of Translational Neurosciences

Wagle, Naveed, M.D.

Associate Professor of NeurosciencesTranslational Neurosciences
Neuro-Oncology, Pacific Brain Tumor Center

Jessica Weiss - Fellow - Saint John;sn Cancer Institute

Weiss, Jessica

Surgical Oncology Fellow

Wendel, Bethany

Senior Manager Clinical Research

Williams, Stacy

Patient Admin AssociateMammography
Breast Surgery and Oncology

Dr. Timothy Wilson - Saint John's Cancer Institute

Wilson, Timothy, M.D.

Professor and Chair of Urology and Urologic OncologyDirector of Urology and Urologic Oncology Research Program

Wollman, Robert, M.D.

Assistant Professor of Radiation OncologyRadiation Oncology

Yafai, Sherry, M.D.

Adjunct Assistant Professor

Yang, Jensine, M.S., R.D., C.N.S.C.

Clinical DietitianOutpatient Nutrition and Diabetes Education
Oncology Nutrition Specialist

Yee, Sean, B.S., CCRP

Research Administrator - Intake

Young, Stephanie, M.D.

Surgical Oncology Fellow

Youssef, Brittany

Clinical Research Associate IBrain Tumors & Neuroscience

Zavgorodni, Vlad

Senior Administrative AssistantResearch

Eleanor Zeri-Marketing Coordinator-Saint Johns Cancer Institute-Santa Monica California

Zeri, Eleanor

Marketing & Communications Specialist

Zhang, Xiaoquing, Ph.D.

Postdoctoral Research FellowTranslational Molecular Medicine

Ziarnik, Eleanor

Research Specialist

Directory & Phone Numbers

Brain Tumors & Neuroscience

Breast Surgery and Oncology

Cancer Support Services

Endocrine Tumors and Disorders

Gastrointestinal and Hepatobiliary Tumors

Melanoma, Skin, and Soft Tissue Tumors

Minimally Invasive Chest Surgery and Thoracic Surgical Oncology

Translational Research Departments

Urology and Urologic Oncology

Human Resources

Saint John's Health Center Foundation

Kiles, Teresa

Abe, Kodadi, MD, PhD

Abraham, M.D., Ronnie M.

Acosta, Isabella

Adelby, Lamia, N.P.

Ahdoot, Annabelle, M.S., R.D., C.D.E.

Allen, Warren, M.D.

Aquinde, Sheryll

Aronson, Maia, PA-C

Austin, David

Avery, Michael, M.D.

Avila, Aprylle

Bagdoyan, Hermine

Barkhoudarian, Garni, M.D.

Berezhnikh, Elena, MBA, CCRP

Bilchik, Anton, M.D., Ph.D., MBA, FACS

Bolourani, Sia, MD, PhD

Boucher, Najee

Boyce, Sabrina

Brainard, Carol

Bramen, Jennifer, Ph.D.

Bustos, Matias, Ph.D.

Buxton, William, M.D.

Carrillo, Jose, M.D.

Carson, Leah

Casiano-Alejandro, Gloria

Catbagan Jr., Jose

Chen, Tianyu, MD

Chenathukattil, Shanty

Childs, Tracey, MD, MPH, FACS

Choe, Jane

Chong, Kelly

Chow, Yann

Chow, Jared, P.A.-C

Claros, Selenia

Cobb, Erika

Coburn, Michael

Cook, Jane, R.D.

Crane-Okada, Rebecca, Ph.D., R.N., C.N.S., A.O.C.N.

Crutcher, Rhonda

De Guzman, PhD, Sagie

Debelles, Tracy

Deroca, Yaellie

Diaz, Brenda

Diaz, Natalie, MD MD

Diskin, Brian, MD

Dubinchik, Aleksandra

Duong, Macy

Eisenberg, Amy, N.P.

Ekanayake, Em Taridu

Elliott, Kristen, R.N.

Escueta, Gary

Essner, Richard, M.D. FACS

Fancher, Crystal, M.D., FACS

Fischer, Sean, M.D.

Fischer, Trevan, M.D.

Flores, Joeana

Forte, Mary, R.N.

Foshag, Leland, M.D.

Franc, Dan, M.D.

Frankle, Molly

Frieder, Richard, M.D.

Frost, Janice

Fu, Susan, P.T., D.P.T., O.C.S., A.T.C., C.S.C.S.

Furuhashi, Satoru, Ph.D

Gabriel, Simon, M.D.

Garcia, Kyle, MD

Garcia, Jr., Gustavo