Clinicians affiliated with St Johns Regional Medical Center

Acute Care Hospitals · Voluntary non-profit - Private · 1600 N Rose Ave, Oxnard, CA 93030 · Oxnard-Thousand Oaks-Ventura, CA · CCN 050082

Affiliation snapshotNovember 2, 2026CMS Doctors and Clinicians Facility Affiliation file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

437 clinicians affiliated with St Johns Regional Medical Center are in the 2024 Medicare Part B data (476 listed in the affiliation file).

Each clinician's exact figures are in their Physician Report, from their page. View sample report · Already purchased? Open your report (earlier Local report and passes)

Affiliated clinicians by specialty, 2024

All specialties · Internal Medicine (74) · Diagnostic Radiology (37) · Emergency Medicine (26) · Family Practice (26) · Anesthesiology (19) · Cardiology (18) · Nurse Practitioner (18) · Hospitalist (14) · Orthopedic Surgery (14) · Physician Assistant (14) · Nephrology (12) · Neurology (11) · General Surgery (10) · Hematology-Oncology (10) · Gastroenterology (9) · Otolaryngology (9) · Podiatry (9) · Urology (8) · Neurosurgery (7) · Vascular Surgery (7) · Critical Care (Intensivists) (6) · Pulmonary Disease (6) · Interventional Cardiology (5) · Ophthalmology (5) · Physical Medicine and Rehabilitation (5) · Certified Registered Nurse Anesthetist (CRNA) (4) · Clinical Cardiac Electrophysiology (4) · Endocrinology (4) · Infectious Disease (4) · Nuclear Medicine (4) · Pathology (4) · Psychiatry (4) · Rheumatology (4) · Thoracic Surgery (4) · Hand Surgery (3) · Interventional Radiology (3) · Obstetrics & Gynecology (3) · Pain Management (3) · Sports Medicine (3) · Radiation Oncology (2) · Allergy/ Immunology (1) · Cardiac Surgery (1) · Gynecological Oncology (1) · Medical Oncology (1) · Plastic and Reconstructive Surgery (1)

Clinicians affiliated with St Johns Regional Medical Center, 2024

Alphabetical by last name; 101–200 of 437.

NameSpecialtyCity
Jeffery W Davies, D.O.Emergency MedicinePalm Springs, CA
Kevin M Deitel, MDOrthopedic SurgeryOxnard, CA
Jason A Della Vecchia, D.O.Emergency MedicineClovis, CA
William A Deruso, MDDiagnostic RadiologySanta Barbara, CA
Tanvi A Desai, M.D.Internal MedicineMuncie, IN
Joseph Detweiler, MDInternal MedicineThousand Oaks, CA
Gary M Deutsch, M.D.Internal MedicineSanta Paula, CA
Joel P Dey, MDPsychiatryBoynton Beach, FL
Parvinjit S Dhaliwal, D.O.AnesthesiologyOxnard, CA
Maria I Dickey, DOFamily PracticeCamarillo, CA
Micah J Dickey, DOFamily PracticeOxnard, CA
Estela Diesfeld, MDPain ManagementVentura, CA
Roseller Martin DitangcoInternal MedicineEl Paso, TX
Neal P DixonGeneral SurgeryCamarillo, CA
Sarah J Doyle, CRNACertified Registered Nurse Anesthetist (CRNA)Lompoc, CA
Jonathan W Dukes, M.D.Clinical Cardiac ElectrophysiologyVentura, CA
Dharmakaruna S Edara, MDInternal MedicineOxnard, CA
Joseph A Eisner, M.D.General SurgeryOxnard, CA
Mounir El Fatmi, MDInternal MedicineThousand Oaks, CA
Ana A Emirzian, DPMPodiatryOxnard, CA
Rukmini Enjamuri, MDGastroenterologyOxnard, CA
Derenik Estepanian, M.D.Internal MedicineWest Hollywood, CA
Stephen Evans, M.D.HospitalistKalispell, MT
Vaughn A Eyvazian, M.D.Internal MedicineLos Angeles, CA
Gita Fatemi, M.D.RheumatologyCamarillo, CA
Omid Fatemi, M.D.Interventional CardiologyVentura, CA
Shahram Fatemi, M.D.Family PracticeOxnard, CA
Jessica Fennewald, APRNNurse PractitionerCamarillo, CA
Orlanda M Ferreira, MDInternal MedicineSanta Paula, CA
Cynthia M Fiacco, N.P.Nurse PractitionerCamarillo, CA
Lauren FicksEndocrinologyVentura, CA
Adam Fish, DOAnesthesiologySan Antonio, TX
Garry Forkosh, M.D.Internal MedicineNewbury Park, CA
Hany C Fouad, M.D.Family PracticeCamarillo, CA
Mark R Fowler, M.D.PathologySanta Barbara, CA
Stefan V Franciosa, DOInterventional RadiologyDelray Beach, FL
Sean Freyne, MDDiagnostic RadiologyFargo, ND
Jessica K Fujimoto, M.D.Emergency MedicineFresno, CA
Asvin M Ganapathi, M.D.Cardiac SurgeryThousand Oaks, CA
Saumil M Gandhi, M.D.NephrologySanta Paula, CA
Yogender P Garg, M.D.OphthalmologyOxnard, CA
Jeffrey Garlock, MDAnesthesiologyVail, CO
Thaidra A Gaufin, MDInternal MedicineSanta Barbara, CA
Brent J Geffen, MDOtolaryngologySimi Valley, CA
Roxanna Geher, NPNurse PractitionerOxnard, CA
Afrouz S Gerayli, MDInternal MedicineCamarillo, CA
Afshan Ghiai Fatemi, MDObstetrics & GynecologyOxnard, CA
Mark J Ghilarducci, M.D.Orthopedic SurgeryOxnard, CA
Ryan M Gil, MDPulmonary DiseaseOxnard, CA
Mitchell Glodowski, DPMPodiatryCamarillo, CA
Joshua S Gluck, MDHand SurgeryVentura, CA
Aaron Glucksman, MDPulmonary DiseaseAgoura, CA
Daniel K Goba, M.D.Internal MedicineOxnard, CA
Martha Gonzalez, M.D., M.P.HEndocrinologyVentura, CA
Amit Goyal, M.D.NeurosurgeryOxnard, CA
Helena Grace, PAPhysician AssistantVentura, CA
Aditee J Grewal, MDEmergency MedicineOknard, CA
Supreet K Grewal, M.D.AnesthesiologyNew Brunswick, NJ
Jay Guan, M.D.GastroenterologyLos Angeles, CA
Dahlia L Guerrero, M.DDiagnostic RadiologySanta Barbara, CA
Rajah P Gunawardana, MDAnesthesiologyWest Covina, CA
Sydney S Guo, MDVascular SurgeryVentura, CA
Akshay A Gupte, M.B.B.S. M.P.H.NeurosurgeryEl Paso, TX
Andrew J Gusty, MDHospitalistUsaf Academy, CO
Vahe Gyulnazaryan, M.D.Internal MedicineBurbank, CA
Alicia Haglund, MDEmergency MedicineVentura, CA
Brandon Hall, RNNurse PractitionerVentura, CA
Patrick J Hammill, M.D.Diagnostic RadiologyNew York, NY
Vashdeo Harjani, MDInternal MedicineWarren, NJ
Jacob L Harter, M.D.Diagnostic RadiologySanta Barbara, CA
Ivan Hayward, MDDiagnostic RadiologySanta Barbara, CA
Ulrike M Hayward, MDNuclear MedicineSanta Barbara, CA
Neda Heidari, MDNeurologyOxnard, CA
Kyle K Himsl, MDUrologyThousand Oaks, CA
Bradley C Hiner, MDNeurologyOxnard, CA
Christina M Hofer, M.D.Family PracticeSanta Paula, CA
Jason K Hofer, MDOrthopedic SurgeryVentura, CA
Barbara J Holdsworth, FNPNurse PractitionerVentura, CA
Randall J Holtby, M.D.AnesthesiologyOxnard, CA
James W Hornstein, M.D.Family PracticeVentura, CA
Sue C Houx, FNPNurse PractitionerOxnard, CA
Georgeanna J Huang, M.D.Plastic and Reconstructive SurgeryThousand Oaks, CA
Pradeep K Hundal, MDInternal MedicineProvidence, RI
Christopher Huntsman, PA-CPhysician AssistantSanta Barbara, CA
Sean M Husted, PA-CPhysician AssistantVentura, CA
Aldo Ilarde, MDEndocrinologyVentura, CA
Jeanette Ilarde, MDInternal MedicineVentura, CA
Aamir Iqbal, M.D.Internal MedicineThousand Oaks, CA
Andre M Ishak, M.D.Hand SurgeryOxnard, CA
Naser M Jamal, D.O.Internal MedicineCamarillo, CA
Aamer H Jamali, MDInterventional CardiologyWest Hills, CA
Andrew W Jeffers, M.D.Orthopedic SurgeryOxnard, CA
Dana N Jennings, M.D.Internal MedicineVentura, CA
Angeline M Jocson, MDNeurologyThousand Oaks, CA
Carl K Jonokuchi, MDFamily PracticeCamarillo, CA
Shashank Kailash, MDNephrologySnellville, GA
Edmond Kalantar Ohanian, D.OInternal MedicineLoma Linda, CA
Saibal Kar, M.D.Interventional CardiologyThousand Oaks, CA
Alireza Katouzian, MDPain ManagementCamarillo, CA
Manparbodh KaurEmergency MedicineRiverside, CA

Affiliation comes from the CMS Doctors and Clinicians Facility Affiliation file, hospital rows only; name, address and type from the CMS Hospital General Information file. CMS does not publish an end-of-year archive of the affiliation file, so the current snapshot is applied to the latest data year. A clinician listed with several hospitals or groups appears on each of their pages. How hospital pages are built