NPPES file of Aug 9, 2026

Shirin Zavoshi, MD

Internal Medicine Physician · San Ramon, CA

Shirin Zavoshi, MD is an internal medicine physician with a practice address in San Ramon, California, and NPI 1205500741, issued on Aug 8, 2021. Check the license (California A197772, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205500741
Name
Shirin Zavoshi
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A197772 CA
Self-reported in NPPES; status is on the state search
Practice location
6001 Norris Canyon RD, San Ramon, CA 94583
Phone
(925) 275-9200
Enumerated
Aug 8, 2021
Record last updated
Jul 29, 2024
Medicare enrollment
Enrolled (PECOS I20241106002888); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6001 Norris Canyon RD

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

  1. Maureen Alford, RNStudent in an Organized Health Care Education/Training Program1831522978
  2. Masoud Asgari, M.D.Dermatopathology (Pathology) Physician1467806356
  3. Miguel Ayala, NPFamily Nurse Practitioner1538446448
  4. Bailey BrewerHand Occupational Therapist1720294648
  5. Carl Critz, MDCytopathology Physician1740232107
  6. Gerardine Cruz, PA-CSurgical Physician Assistant1619104601

Verify Shirin Zavoshi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A197772
    Check 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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95% fewer Medicare Part D claims than the average internal medicine physician in 2024

152 Medicare Part D claims for 44 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Shirin Zavoshi152
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate16 claims
  2. Atorvastatin Calcium11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. County OF Santa ClaraSan Jose, CA
  2. Quantum Healthcare Medical Associates IncSan Ramon, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shirin Zavoshi among 17,696 internal medicine physician records in California

Shirin Zavoshi, MD is one of 17,696 internal medicine 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. Its NPI, issued in 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2019 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 internal medicine physician records list a practice address in San Ramon

They are 22 of the 2,281 NPPES records with a practice address in San Ramon, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kushal Chhabra, MDSan Ramon, CA 945831255332953
  2. Laurie Draughon, M.D.San Ramon, CA 945831265490668
  3. Victorina Hoffmann, M.D.San Ramon, CA 945831336251693
  4. Frank Hsueh, M.D.San Ramon, CA 945831144224742
  5. Tehmina Kanwal, MDSan Ramon, CA 945831144332487
  6. Sue Knight, MDSan Ramon, CA 945831619968443
  7. Janice Lee, MDSan Ramon, CA 945831407835432
  8. Franklin Lemon, M.D.San Ramon, CA 945831457415143

Common questions

What is Shirin Zavoshi, MD's NPI number?

Shirin Zavoshi, MD's National Provider Identifier (NPI) is 1205500741, issued on Aug 8, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Shirin Zavoshi, MD located?

The NPPES record lists a practice address at 6001 Norris Canyon RD, San Ramon, CA, 94583. Phone: (925) 275-9200. Providers update this record themselves, so call before visiting.

How can I verify Shirin Zavoshi, MD's license?

NPPES lists California license number A197772, as entered by the provider. 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.

How much does Shirin Zavoshi, MD prescribe under Medicare Part D?

In 2024, Shirin Zavoshi, MD had 152 Medicare Part D claims for 44 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.