Karen Weinbaum, MD
NPI 1861842809 · Family Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Weinbaum, MD is a Family Medicine Physician provider in San Francisco, CA (NPI 1861842809).
Provider details
- NPI number
- 1861842809
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A150760 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 50 | 13 |
| Ibuprofen | 41 | 36 |
| Amlodipine Besylate | 39 | 14 |
| Lisinopril | 26 | — |
| Acyclovir | 21 | — |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 21 | — |
| Duloxetine Hcl | 18 | — |
Practice location
Mailing address
Additional practice locations (1)
- 2500 Alhambra AveMartinez, CA 94553-3156Phone: (925) 370-5200
Registry dates
- Enumerated
- 2016-06-21
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Karen Weinbaum's NPI number?
- Karen Weinbaum's National Provider Identifier (NPI) is 1861842809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Weinbaum's specialty?
- Karen Weinbaum is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Weinbaum located?
- Karen Weinbaum's practice location on file with NPPES is 1171 Mission St, San Francisco, CA 94103-1519.
- What is Karen Weinbaum's phone number?
- The practice phone number listed in the NPPES registry for Karen Weinbaum is (628) 754-9616.
- Does Karen Weinbaum accept Medicare?
- Karen Weinbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Weinbaum's NPI active?
- Yes — Karen Weinbaum's NPI (1861842809) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.