NPPES file of Aug 9, 2026

Gerardo Antonio Olivarez, M.D.

Family Medicine Physician · San Francisco, CA

Gerardo Antonio Olivarez, M.D. is a family medicine physician with a practice address in San Francisco, California, and NPI 1255719001, issued on May 13, 2015. Check the license (California A145004, 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
1255719001
Name
Gerardo Antonio Olivarez
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A145004 CA
Self-reported in NPPES; status is on the state search
Practice location
1001 Potrero Ave, San Francisco, CA 94110
Phone
(415) 206-8611
Enumerated
May 13, 2015
Record last updated
Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210330002624); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1001 Potrero Ave

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

  1. Elizabeth Abbs, M.D.Internal Medicine Physician1295269983
  2. Atokena AbeStudent in an Organized Health Care Education/Training Program1043130149
  3. Mary Ann AbilleRegistered Nurse1699155804
  4. Nasrin Aboudamous, FNPFamily Nurse Practitioner1699579912
  5. Elizabeth AdvientoRegistered Nurse1124968987
  6. Rocio Agraz-Lara, RN, PHNRegistered Nurse1003075995

Verify Gerardo Antonio Olivarez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A145004
    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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20% more Medicare Part D claims than the average family medicine physician in 2024

4,258 Medicare Part D claims for 438 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 102 claims were for opioids.

  1. Gerardo Olivarez4,258
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium347 claims
  2. Amlodipine Besylate280 claims
  3. Fluticasone Propionate151 claims
  4. Lisinopril151 claims
  5. Losartan Potassium131 claims
  6. Levothyroxine Sodium116 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 one group practice

  1. Permanente Medical Group IncVallejo, CA

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

Gerardo Antonio Olivarez among 17,133 family medicine physician records in California

Gerardo Antonio Olivarez, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.

  • NPI issued2015 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2015 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in California

There are 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Joaquin Barahona, M. D.San Francisco, CA 941101205895133
  2. Luis Bonilla, MDSan Francisco, CA 941101629019708
  3. Christopher Bositis, MDSan Francisco, CA 941101427054493
  4. Romilda Foresti-Lorente, MDSan Francisco, CA 941101164455374
  5. Steven Lawton, MDSan Francisco, CA 941101366486748
  6. Todd May, MDSan Francisco, CA 941101679528335
  7. Pooja Mittal, DOSan Francisco, CA 941101215916200
  8. David Nidorf, MDSan Francisco, CA 941101336186121

Common questions

What is Gerardo Antonio Olivarez, M.D.'s NPI number?

Gerardo Antonio Olivarez, M.D.'s National Provider Identifier (NPI) is 1255719001, issued on May 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Gerardo Antonio Olivarez, M.D. located?

The NPPES record lists a practice address at 1001 Potrero Ave, San Francisco, CA, 94110. Phone: (415) 206-8611. Providers update this record themselves, so call before visiting.

How can I verify Gerardo Antonio Olivarez, M.D.'s license?

NPPES lists California license number A145004, 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 Gerardo Antonio Olivarez, M.D. prescribe under Medicare Part D?

In 2024, Gerardo Antonio Olivarez, M.D. had 4,258 Medicare Part D claims for 438 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.