Clinicians affiliated with John Muir Trauma Physicians Billing Service

113 clinicians on file with this group · most practice in San Francisco-Oakland-Fremont, CA · PAC ID 3476542515

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

103 clinicians affiliated with John Muir Trauma Physicians Billing Service are in the 2024 Medicare Part B data, 102 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 · Diagnostic Radiology (51) · Anesthesiology (16) · General Surgery (7) · Neurology (4) · Neurosurgery (4) · Orthopedic Surgery (4) · Plastic and Reconstructive Surgery (4) · Infectious Disease (3) · Pulmonary Disease (3) · Critical Care (Intensivists) (2) · Interventional Radiology (2) · Colorectal Surgery (Proctology) (1) · Nuclear Medicine (1) · Physician Assistant (1)

Specialty links go to the specialty in San Francisco-Oakland-Fremont, CA.

Clinicians affiliated with John Muir Trauma Physicians Billing Service, 2024

Alphabetical by last name; 1–100 of 103.

NameSpecialtyCity
Jorge Aguilar, M.D.AnesthesiologyWalnut Creek, CA
Ravi Alagappan, MDDiagnostic RadiologySan Ramon, CA
Afshin A AnoushiravaniOrthopedic SurgeryWalnut Creek, CA
Monika Aplyn, M.D.Critical Care (Intensivists)Saint Louis, MO
Minbo BaiAnesthesiologyNew York, NY
Alexei Birger, M.D.AnesthesiologyPortland, OR
Christopher M Blackwell, MDDiagnostic RadiologySan Diego, CA
Courtnay W Bloomer, M.D.Diagnostic RadiologyWalnut Creek, CA
Joseph M Brandel, M.D.General SurgeryAntioch, CA
Eric O Buadu, MDPulmonary DiseaseWalnut Creek, CA
Leo A Calafi, MDOrthopedic SurgeryWalnut Creek, CA
Ronald Chan, M.D.Diagnostic RadiologyWalnut Creek, CA
Crystal Chang, M.D.Diagnostic RadiologyNovato, CA
Eric M Chen, M.D.Interventional RadiologyLos Angeles, CA
Huijia J ChenDiagnostic RadiologyWalnut Creek, CA
Melvina Cheung, M.D.AnesthesiologyEmeryville, CA
Paul B ChismDiagnostic RadiologyLittle Rock, AR
Christopher Coufal, M.D.Orthopedic SurgeryWalnut Creek, CA
George J Counelis, MDNeurosurgeryWalnut Creek, CA
Alexis L Crawley, M.D.Diagnostic RadiologyMc Lean, VA
Stephen P Daane, MDPlastic and Reconstructive SurgerySan Francisco, CA
Michael W Deboisblanc, MDGeneral SurgeryWalnut Creek, CA
Rafael F Diaz Flores, M.D.General SurgeryWalnut Creek, CA
Romerson Dimla, M.D.AnesthesiologyHacienda Heights, CA
Amarjit S Dosanjh, M.D.Plastic and Reconstructive SurgeryConcord, CA
Seth Eberlin, M.D.Plastic and Reconstructive SurgeryWalnut Creek, CA
Ehsan Ejaz, PAPhysician AssistantWalnut Creek, CA
Michael A Esparza, MDGeneral SurgeryWalnut Creek, CA
Mohammad M Fakhri, M.D.Diagnostic RadiologySan Francisco, CA
Ira Finch, M.D.Diagnostic RadiologyWalnut Creek, CA
Eric Fulkerson, MDOrthopedic SurgeryWalnut Creek, CA
Sunil Gandhi, M.D.Diagnostic RadiologyWalnut Creek, CA
Robert L Gay, M.D.AnesthesiologyChicago, IL
Michelle L Gerrard, M.D.AnesthesiologyStockton, CA
Patrick C Gonzales, M.D.Diagnostic RadiologyWalnut Creek, CA
Ryan B Green, M.D., PH.D.AnesthesiologyWalnut Creek, CA
Daon Ha, MDDiagnostic RadiologyNashua, NH
William Hoddick, M.D.Diagnostic RadiologyWalnut Creek, CA
Kevin T Hsu, MDDiagnostic RadiologyStanford, CA
Jeffrey Huang, MDDiagnostic RadiologySan Francisco, CA
Mehrbod S Javadi, MDDiagnostic RadiologyBaltimore, MD
Ramin Khashayar, MDPulmonary DiseaseWalnut Creek, CA
Daniel Kim, M.D.Diagnostic RadiologyWalnut Creek, CA
Evan C KungAnesthesiologyVisalia, CA
Mauricio Kuri, MDPlastic and Reconstructive SurgeryMartinez, CA
Jeff Kwok, DOAnesthesiologyAnn Arbor, MI
Carolyn KwonDiagnostic RadiologyBaltimore, MD
Amy Lai, MDDiagnostic RadiologyNew York, NY
Mykol Larvie, MDDiagnostic RadiologyBoston, MA
Christopher C Lee, MDDiagnostic RadiologyWalnut Creek, CA
Wayne K Lee, M.D.AnesthesiologyUnion City, CA
Wilson T Lee, MDAnesthesiologyConcord, CA
George Liu, M.D.AnesthesiologyWalnut Creek, CA
Ming-Tyh Maa, M.D.Pulmonary DiseaseWalnut Creek, CA
Sean P Martin, M.D.General SurgeryWalnut Creek, CA
Brandon A Mccutcheon, MDNeurosurgeryWalnut Creek, CA
Brian J Mcguinness, M.D.Colorectal Surgery (Proctology)Walnut Creek, CA
Hugh Mcswain, MDDiagnostic RadiologySan Francisco, CA
Maxwell B Merkow, MDNeurosurgeryWalnut Creek, CA
Nimisha Mishra-Shukla, MDInfectious DiseaseWalnut Creek, CA
Esther M Molnar, MDInfectious DiseaseWalnut Creek, CA
Joseph N Morgan, MDDiagnostic RadiologyCherry Hill, NJ
Christopher A Mutch, MDDiagnostic RadiologyWalnut Creek, CA
Tobechi Okoronkwo, M.D.AnesthesiologyOakland, CA
Vishal Panchal, M.D.Diagnostic RadiologyWalnut Creek, CA
Saurabh Patel, M.D.Diagnostic RadiologyWalnut Creek, CA
Puskar Pattanayak, MBBSDiagnostic RadiologyBaltimore, MD
Wendy L Patton, MDDiagnostic RadiologyOakland, CA
Jonathan Posin, M.D.Diagnostic RadiologyWalnut Creek, CA
Rana RabeiDiagnostic RadiologySan Francisco, CA
Siva P RamanDiagnostic RadiologyWalnut Creek, CA
Samira Rathnayake, M.D.Diagnostic RadiologyNew Haven, CT
Loren Riskin, MDAnesthesiologyStanford, CA
Patrick R Ryan, MDDiagnostic RadiologyWalnut Creek, CA
Kasra J Sarhadi, MD, MPHNeurologySeattle, WA
Konark Sharma, M.D.Infectious DiseaseWalnut Creek, CA
Anshu Shukla, M.D., M.S.Diagnostic RadiologyCincinnati, OH
Evan Sirc, MDNuclear MedicineSanta Cruz, CA
Alice B Smith, MDDiagnostic RadiologyHonolulu, HI
Kirk C So, M.D.Diagnostic RadiologyWalnut Creek, CA
Steffan Soosman, MDInterventional RadiologyOakland, CA
Oana V Spataru, M.D.NeurologyWalnut Creek, CA
Isabelle StruveGeneral SurgeryWalnut Creek, CA
Rohit SukumarDiagnostic RadiologyRaleigh, NC
Courtney E Takahashi, M.D.NeurologyWalnut Creek, CA
Jessica C Tan, M.DDiagnostic RadiologySan Francisco, CA
Michael W Taylor-Cho, M.D., M.P.H.Diagnostic RadiologyHonolulu, HI
Hai T Tran, M.D., FASAAnesthesiologyWalnut Creek, CA
Matthew T Tran, M.D.Diagnostic RadiologySan Jose, CA
David K Tso, MDDiagnostic RadiologyBoston, MA
Mark K Tu, M.D.Diagnostic RadiologyWalnut Creek, CA
Aalok B Turakhia, MDDiagnostic RadiologyAtlanta, GA
Vijay Viswanathan, M.D.Diagnostic RadiologyDover, DE
Benjamin Voss, MDDiagnostic RadiologySan Francisco, CA
Nicholas Vu, M.D.Diagnostic RadiologyNew Haven, CT
Sandeep Walia, M.DNeurologyWashington, DC
Susan Win, MDDiagnostic RadiologyLos Angeles, CA
David H Woo, M.D.Diagnostic RadiologyWalnut Creek, CA
Moussa Yazbeck, M.D.Critical Care (Intensivists)Walnut Creek, CA
Benjamin Yim, M.D.NeurosurgeryWalnut Creek, 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