Peter Harrison, MD
NPI 1881689404 · Family Medicine Physician · San Francisco, CA
Peter Harrison, MD is a Family Medicine Physician provider in San Francisco, CA (NPI 1881689404).
Provider details
- NPI number
- 1881689404
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 145447 (NY)
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
20 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
Mailing address
Registry dates
- Enumerated
- 2005-09-20
- Last updated
- 2019-05-10
Frequently asked questions
- What is Peter Harrison's NPI number?
- Peter Harrison's National Provider Identifier (NPI) is 1881689404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Harrison's specialty?
- Peter Harrison is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Harrison located?
- Peter Harrison's practice location on file with NPPES is 1 Post St, San Francisco, CA 94104-5203.
- What is Peter Harrison's phone number?
- The practice phone number listed in the NPPES registry for Peter Harrison is (415) 692-9155.
- Is Peter Harrison's NPI active?
- Yes — Peter Harrison's NPI (1881689404) is active in the NPPES registry as of the last update on 2019-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.