Clinicians affiliated with Adventist Health Clearlake

Critical Access Hospitals · Voluntary non-profit - Private · 15630 18th Ave - Hwy 53, Clearlake, CA 95422 · Clearlake, CA · CCN 051317

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

359 clinicians affiliated with Adventist Health Clearlake are in the 2024 Medicare Part B data (457 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 · Physician Assistant (38) · Internal Medicine (30) · Nurse Practitioner (30) · Family Practice (21) · Emergency Medicine (19) · Hospitalist (19) · Diagnostic Radiology (16) · Orthopedic Surgery (16) · Cardiology (14) · Endocrinology (10) · General Surgery (10) · Nephrology (9) · Certified Registered Nurse Anesthetist (CRNA) (8) · Critical Care (Intensivists) (8) · Hematology-Oncology (8) · Anesthesiology (7) · Gastroenterology (7) · Podiatry (7) · Pathology (6) · Pulmonary Disease (6) · Medical Oncology (5) · Radiation Oncology (5) · Neurology (4) · Rheumatology (4) · Urology (4) · Cardiac Surgery (3) · General Practice (3) · Interventional Cardiology (3) · Obstetrics & Gynecology (3) · Otolaryngology (3) · Pain Management (3) · Clinical Cardiac Electrophysiology (2) · Dermatology (2) · Infectious Disease (2) · Interventional Radiology (2) · Ophthalmology (2) · Plastic and Reconstructive Surgery (2) · Psychiatry (2) · Sports Medicine (2) · Vascular Surgery (2) · Advanced Heart Failure and Transplant Cardiology (1) · Allergy/ Immunology (1) · Chiropractic (1) · Hand Surgery (1) · Hematology (1) · Interventional Pain Management (1) · Neurosurgery (1) · Optometry (1) · Osteopathic Manipulative Medicine (1) · Physical Medicine and Rehabilitation (1) · Sleep Medicine (1) · Thoracic Surgery (1)

Clinicians affiliated with Adventist Health Clearlake, 2024

Alphabetical by last name; 301–359 of 359.

NameSpecialtyCity
Jose Sibal, M.D.NephrologyChico, CA
Erik J Simchuk, MDGeneral SurgeryChico, CA
Inder M Singh, M.D.GastroenterologyRound Rock, TX
Leena Singh, MD, PHDEndocrinologyChico, CA
Leigh A Slater, M.D.Critical Care (Intensivists)Santa Rosa, CA
Christine H Sloop, M.D.Obstetrics & GynecologyChico, CA
Jay R Sloop, M.D.Family PracticeParadise, CA
Annabel P Slovek, NPNurse PractitionerPhoenix, AZ
Chelsea Smith, DPMPodiatryOroville, CA
Amanda L Smithers, PA-CPhysician AssistantLakeport, CA
Theresia Soetjipto, MS,NPNurse PractitionerSan Francisco, CA
Nardia Sokol, DPMPodiatryLakeport, CA
Naum Spiegel, MDUrologyUkiah, CA
Gary A Stein, M.D.Orthopedic SurgerySanta Rosa, CA
Katrina J StimeEmergency MedicineMinneapolis, MN
Tiffani F Strickland, MDFamily PracticeLakeport, CA
Gopinath S Sunil, MDEndocrinologyChico, CA
Gordon Sweeney, M.D.HospitalistSaint Helena, CA
Hendrik Ryan L Tan, DPMPodiatrySanta Rosa, CA
Kundai K Tanganyika, M.DCardiologyClearlake, CA
Elizabeth M Tapen, MDRadiation OncologyBig Sky, MT
David J Tate, MDRadiation OncologySaint Helena, CA
Alicia N Teferi, M.DGeneral SurgeryClearlake, CA
Polly F Teng, MDEndocrinologySacramento, CA
Wai Phyo Thi, MDEndocrinologySanta Rosa, CA
Samuel J Thibodeaux, CRNACertified Registered Nurse Anesthetist (CRNA)Ukiah, CA
Austin TidwellHospitalistJohnson City, NY
Lucian TomaCertified Registered Nurse Anesthetist (CRNA)Saint Helena, CA
Carla A Toms, MDHospitalistHarbor City, CA
Joshua W Toppenberg, CRNACertified Registered Nurse Anesthetist (CRNA)Saint Helena, CA
Christopher R TrebinoDiagnostic RadiologySanta Rosa, CA
Debra L Trnavsky-Hobbs, M.D.HospitalistNapa, CA
Richard B Turner, M.D.Family PracticeParadise, CA
Mark Turrill, M.D.Medical OncologyLakeport, CA
Kiran M Ubhayakar, M.D.Critical Care (Intensivists)Calistoga, CA
Ari Umutyan, M.D.Hematology-OncologySaint Helena, CA
Juan C Vasquez, MDGeneral SurgerySaint Helena, CA
Rachael N Vasquez, AG-ACNPNurse PractitionerSaint Helena, CA
Deidre Vaughn, PA-CPhysician AssistantBurlington, MA
Anthony R Victorio, M.D.PathologyModesto, CA
John Vidrih, M.D.HospitalistClearlake, CA
Christopher Voss, MDAnesthesiologyClearlake, CA
Hengbing Wang, M.D.Hematology-OncologyUkiah, CA
Zachary F Waschevski, PA-CPhysician AssistantChico, CA
Mark K Weeber, MDInternal MedicineChico, CA
Courtney K White, M.D.General SurgeryFrench Camp, CA
Charles R Wilson, M.D.General SurgerySaint Helena, CA
Steven C Wirth, MDFamily PracticeUkiah, CA
Jessica Wix-FaulknerPhysician AssistantChico, CA
Peter J Wolk, M.D.CardiologyChico, CA
Samuel J Wu, MDOrthopedic SurgeryYuba City, CA
Xiaojie WuNurse PractitionerUkiah, CA
Yuan Ying, M.D,Hematology-OncologyChico, CA
Michael T Young, DOPain ManagementUkiah, CA
Benjamin P Yu, MDPsychiatryRoseville, CA
Sara YusufalyInternal MedicineLake Elsinore, CA
Fan Zhang, MDMedical OncologySanta Rosa, CA
Matthew T Zimmerman, DOFamily PracticeFenton, MO
Mark Zuckerman, M.D.PathologyWinchester, MA

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