Clinicians affiliated with Northbay Physicians Surgery Center, LLC

324 clinicians on file with this group · most practice in Vallejo, CA · PAC ID 0042122244

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

289 clinicians affiliated with Northbay Physicians Surgery Center, LLC are in the 2024 Medicare Part B data, 217 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Emergency Medicine (37) · Nurse Practitioner (31) · Internal Medicine (27) · Physician Assistant (19) · Hospitalist (18) · Family Practice (17) · Diagnostic Radiology (16) · Physical Therapist in Private Practice (12) · Neurology (10) · Radiation Oncology (7) · Urology (7) · Vascular Surgery (7) · Critical Care (Intensivists) (6) · Hematology-Oncology (6) · Obstetrics & Gynecology (6) · Cardiology (5) · General Surgery (5) · Neurosurgery (5) · Orthopedic Surgery (5) · Gastroenterology (4) · Interventional Cardiology (4) · Occupational Therapist in Private Practice (4) · Otolaryngology (4) · Pulmonary Disease (4) · Speech Language Pathologist (3) · Pain Management (2) · Podiatry (2) · Rheumatology (2) · Sports Medicine (2) · Anesthesiology (1) · Cardiac Surgery (1) · Clinical Cardiac Electrophysiology (1) · Hand Surgery (1) · Infectious Disease (1) · Interventional Radiology (1) · Nephrology (1) · Physical Medicine and Rehabilitation (1) · Plastic and Reconstructive Surgery (1) · Registered Dietitian or Nutrition Professional (1) · Sleep Medicine (1) · Thoracic Surgery (1)

Specialty links go to the specialty in Vallejo, CA.

Clinicians affiliated with Northbay Physicians Surgery Center, LLC, 2024

Alphabetical by last name; 201–289 of 289.

NameSpecialtyCity
Shivapriya Peddireddy, M.D.HospitalistScranton, PA
Cynthia L Pena, MDPain ManagementFairfield, CA
Alex PennInterventional RadiologyWalnut Creek, CA
Robert K Peterson, M.D.Sports MedicineVacaville, CA
Lise Phan, MDNeurologyArcadia, CA
Christina PhuongRadiation OncologyCulver City, CA
Christian S Pingree, M.D.OtolaryngologyFairfield, CA
Jessica F Powers, M.D.Hematology-OncologyVacaville, CA
Paresh H Pravin, MDInternal MedicineFairfield, CA
Shea M Pribyl, D.O.Thoracic SurgeryNapa, CA
Shilpa Puppala, MDDiagnostic RadiologyChicago, IL
Jyes A Querubin, M.D.NeurologyArcadia, CA
Mohammed A Qureshi, M.D.Critical Care (Intensivists)Saint Paul, MN
Zakwan Quwatli, MDPulmonary DiseaseSacramento, CA
Saned RaoufEmergency MedicineSan Francisco, CA
Sharmila Ravindranathan, M.D.Internal MedicineAventura, FL
Sreenivasa R Ravuri, M.D.Critical Care (Intensivists)Orlando, FL
Aseem O Rawal, M.D.Diagnostic RadiologyWalnut Creek, CA
Shahid U Rehman, MDNeurologyFairfield, CA
Mark Anthony Rivera, PTPhysical Therapist in Private PracticeFairfield, CA
Andrew Y Robinson, MDNeurologyTravis Afb, CA
Natalie M Robles, PA-CPhysician AssistantLos Angeles, CA
Maricel C Roblez, NPNurse PractitionerFairfield, CA
Valerie Roggenbuck, PAPhysician AssistantVacaville, CA
Andrea R Romero, OTR LOccupational Therapist in Private PracticeLivermore, CA
Lori R Russell, OTOccupational Therapist in Private PracticeFairfield, CA
Amardeep S Sahota, MDInternal MedicineNapa, CA
Warren Joseph A San Diego, MDInternal MedicineFairfield, CA
Alexander D Schmalz, MD, MPHEmergency MedicineSacramento, CA
Melissa Schoenwetter, D.O.RheumatologyVacaville, CA
Teresa A Schreeder, DPTPhysical Therapist in Private PracticeSan Pablo, CA
Manveen Sekhon, MDFamily PracticeNapa, CA
Paarth M Shah, MDInternal MedicineFairfield, CA
Guyve Shalileh, M.D.Emergency MedicineTucson, AZ
Shisir Shrestha, MDHospitalistReno, NV
Anmol SinghInternal MedicineScranton, PA
Harkanwal Singh, MDHospitalistFolsom, CA
Jashanjot Singh, MDInternal MedicineScottsdale, AZ
Mandeep Singh, NURSE PRACTITIONERNurse PractitionerAmerican Canyon, CA
Prabhir Singh, MDHospitalistSacramento, CA
Sarabjot Singh, MDInternal MedicineBrooklyn, NY
Anvita Sinha, M.D.UrologyModesto, CA
Michelle Sit, MDRheumatologyTravis Afb, CA
Steven H Sloan, MDOtolaryngologySan Francisco, CA
Shanna R Snow, D.O.Obstetrics & GynecologyFairfield, CA
Harpreet S Sohi, PTPhysical Therapist in Private PracticeLafayette, CA
Brian D Stephens, M.D., M.S.NeurologyTravis Afb, CA
Amandeep S Swatch, MDHospitalistJamaica, NY
Gordon Sweeney, M.D.HospitalistSaint Helena, CA
Cynthia TanDiagnostic RadiologyMaywood, IL
Michael Tang, MDInternal MedicineWinters, CA
Elizabeth M Tapen, MDRadiation OncologyBig Sky, MT
David J Tate, MDRadiation OncologySaint Helena, CA
Marie Charisse S Tayag, M.D.HospitalistDanville, PA
Douglas F Taylor, D.O.GastroenterologyTravis Afb, CA
Sherry L Taylor, M.D., PH.DNeurosurgeryFairfield, CA
Napoleon H TeporaPhysical Therapist in Private PracticeFairfield, CA
Lisa M Thomas, PAPhysician AssistantStockton, CA
Tangie ThompsonNurse PractitionerFairfield, CA
Loan N Tran, MDRadiation OncologyPleasant Hill, CA
May Tun, M.D.Emergency MedicineFairfield, CA
Krishnamurthy Umapathy, MDCritical Care (Intensivists)Dublin, CA
David A Valentine, M.D.NeurologySouth Pasadena, CA
John H Vanuden, M.D., PH.D.Diagnostic RadiologyWalnut Creek, CA
Hellen N Vasquez, MDHospitalistFairfield, CA
Veronica I Vega, MSN, FNP , PHNNurse PractitionerSanta Rosa, CA
Brian Vikstrom, M.D.Hematology-OncologyVacaville, CA
Mark L Villalon, MDInterventional CardiologyNapa, CA
Rachel M Villalon, MDObstetrics & GynecologyFairfield, CA
Austin W Vonasek, DPMPodiatryMishawaka, IN
Ghazel Waiz, PA-CPhysician AssistantFairfield, CA
Anne M Walker, M.D.Emergency MedicineStanford, CA
Lida S Ward, FNPNurse PractitionerFairfield, CA
Gregory Y Warner, D.O.Infectious DiseaseVacaville, CA
Justin Wei, MDOtolaryngologyTravis Afb, CA
Suk C Whang, M.D.GastroenterologyTravis Afb, CA
Teresa B Whitley, M.D.Internal MedicineFairfield, CA
Benjamin T Williams, M.D.Emergency MedicineSalt Lake City, UT
Zeyerusalem WoldesilasseNurse PractitionerSacramento, CA
Christine WongEmergency MedicineMiami, FL
Vincent K Wong, MDDiagnostic RadiologyWalnut Creek, CA
Kevin Xunan, DO, MPH, CPHFamily PracticeVacaville, CA
Alexa Yavorsky, M.S.P.A.S. PA-CPhysician AssistantNeptune, NJ
Jennifer YuPain ManagementBoston, MA
Robinson K Yu, MDDiagnostic RadiologyWalnut Creek, CA
Wislise N Zamor, NPNurse PractitionerVacaville, CA
Connie L Zastrow, M.D.Vascular SurgeryBoise, ID
Alisha ZimmermanPhysical Therapist in Private PracticeVacaville, CA
John P Zopfi, D.OGeneral SurgeryFairfield, CA

Practice locations

Listed practice locations in California.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations