IndividualActive
Kirsten Marcus, M.D.
NPI 1992995435 · Internal Medicine Physician · San Francisco, CA
Provider details
- NPI number
- 1992995435
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 045703 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
840 Irving St
San Francisco, CA 94122-2311
Phone: (415) 590-6140
Fax: (415) 291-0489
Street-level locationGet directions
Mailing address
501 2nd St
San Francisco, CA 94107-1469
Registry dates
- Enumerated
- 2007-07-31
- Last updated
- 2018-02-05
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.