NPPES file of Aug 9, 2026

Bryan Donovan Volpp, MD

Infectious Disease Physician · Martinez, CA

Bryan Donovan Volpp, MD is an infectious disease physician with a practice address in Martinez, California, and NPI 1659356939, issued on Dec 9, 2005. Check the license on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659356939
Name
Bryan Donovan Volpp
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
ME0065387 FL
25682 IA
Self-reported in NPPES; status is on the state search
Practice location
150 Muir RD, Martinez, CA 94553
Phone
(925) 370-4169
Enumerated
Dec 9, 2005
Record last updated
Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 150 Muir RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tanya Aaen, PH.D.Clinical Psychologist1477518561
  2. Pamela AdhlakhaOccupational Therapist1013016575
  3. Maria Affinito, LCSWClinical Social Worker1962395905
  4. Janet Alexander, MS-SLPSpeech-Language Pathologist1649214578
  5. Nigina Ali, PHARM.D.Oncology Pharmacist1760022545
  6. Anna AllenPharmacist1164909875

Verify Bryan Donovan Volpp in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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Bryan Donovan Volpp among 1,119 infectious disease physician records in California

Bryan Donovan Volpp, MD is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in California

There are 1,119 infectious disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Thuy-Trang Dang, MDMartinez, CA 945531407871478
  2. Shobha Sharma, DOMartinez, CA 945531326118290
  3. Raghesh Varot Kangath, M.DMartinez, CA 945531033340161
  4. Loretta Obrien, MDLivermore, CA 945501750379657
  5. Michael Ascher, M.D.Lafayette, CA 945491033427505
  6. James Pennington, M.D.Lafayette, CA 945491184962144
  7. Karen Smith, MD, MPHNapa, CA 945591356495816
  8. Harkiran Grewal, MDCastro Valley, CA 945461790022416

Common questions

What is Bryan Donovan Volpp, MD's NPI number?

Bryan Donovan Volpp, MD's National Provider Identifier (NPI) is 1659356939, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Bryan Donovan Volpp, MD located?

The NPPES record lists a practice address at 150 Muir RD, Martinez, CA, 94553. Phone: (925) 370-4169. Providers update this record themselves, so call before visiting.

How can I verify Bryan Donovan Volpp, MD's license?

Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.