NPPES file of Aug 9, 2026

Karen Weinbaum, MD

Family Medicine Physician · San Francisco, CA

Karen Weinbaum, MD is a family medicine physician with a practice address in San Francisco, California, and NPI 1861842809, issued on Jun 21, 2016. Check the license (California A150760, 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
1861842809
Name
Karen Weinbaum
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A150760 CA
Self-reported in NPPES; status is on the state search
Practice location
1171 Mission St, San Francisco, CA 94103
Phone
(628) 754-9616
Enumerated
Jun 21, 2016
Record last updated
Jul 28, 2025
Medicare enrollment
Enrolled (PECOS I20191007001420); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2016
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 1171 Mission St

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

  1. Solange Bonilla-LeahySpecialist1770150120
  2. Garrett DexterCommunity Health Worker1467226878
  3. Elisabeth Goldstein, RN, NPAdult Health Nurse Practitioner1003183708
  4. Angelica Gutierrez-CruzClinical Social Worker1235412453
  5. Dania HerreraCounselor1063050664
  6. Kentaro Kaneko, NPNurse Practitioner1992272223

Verify Karen Weinbaum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A150760
    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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82% fewer Medicare Part D claims than the average family medicine physician in 2024

622 Medicare Part D claims for 147 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Karen Weinbaum622
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium50 claims
  2. Ibuprofen41 claims
  3. Amlodipine Besylate39 claims
  4. Lisinopril26 claims
  5. Acyclovir21 claims
  6. Descovy21 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. City And County OF San FranciscoSan Francisco, CA

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

Karen Weinbaum among 17,133 family medicine physician records in California

Karen Weinbaum, MD 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 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2016 · median 2005 among the 10,652 with a school on file
  • Record last updated2025 · 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. Khaled Aqeel, MDSan Francisco, CA 941031427314020
  2. Samantha Garey, PA-C, MPHSan Francisco, CA 941031427611730
  3. Ako Jacintho, MDSan Francisco, CA 941031275599052
  4. Yogesh Jagirdar, M.D.San Francisco, CA 941031457396723
  5. Eileen Kim, MDSan Francisco, CA 941031477943199
  6. Chen-Yuan Lu, M.D.San Francisco, CA 941031174934566
  7. Rose Quinones, PA-CSan Francisco, CA 941031285700856
  8. Stephany Rush, MDSan Francisco, CA 941031609308642

Common questions

What is Karen Weinbaum, MD's NPI number?

Karen Weinbaum, MD's National Provider Identifier (NPI) is 1861842809, issued on Jun 21, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Karen Weinbaum, MD located?

The NPPES record lists a practice address at 1171 Mission St, San Francisco, CA, 94103. Phone: (628) 754-9616. Providers update this record themselves, so call before visiting.

How can I verify Karen Weinbaum, MD's license?

NPPES lists California license number A150760, 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 Karen Weinbaum, MD prescribe under Medicare Part D?

In 2024, Karen Weinbaum, MD had 622 Medicare Part D claims for 147 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.