Karin Kerk, M.D
NPI 1871817536 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1871817536
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- A108988 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 365 | 170 |
| Levothyroxine Sodium | 195 | 89 |
| Amlodipine Besylate | 180 | 81 |
| Lisinopril | 173 | 88 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 146 | 89 |
| Losartan Potassium | 142 | 69 |
Practice location
Mailing address
Additional practice locations (1)
- 3 Harbor Dr Ste 111Sausalito, CA 94965-1491Phone: (415) 683-2988Fax: (415) 683-2980
Registry dates
- Enumerated
- 2010-03-23
- Last updated
- 2026-05-12
- Certified
- 2026-05-12
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.