Richard Zercher, MD
NPI 1902938939 · Geriatric Medicine (Family Medicine) Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Zercher, MD is a Geriatric Medicine (Family Medicine) Physician provider in San Francisco, CA (NPI 1902938939).
Provider details
- NPI number
- 1902938939
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C42569 (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
19 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
- 2007-03-13
- Last updated
- 2012-01-12
Frequently asked questions
- What is Richard Zercher's NPI number?
- Richard Zercher's National Provider Identifier (NPI) is 1902938939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Zercher's specialty?
- Richard Zercher is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Zercher located?
- Richard Zercher's practice location on file with NPPES is 333 Turk St, San Francisco, CA 94102-3703.
- What is Richard Zercher's phone number?
- The practice phone number listed in the NPPES registry for Richard Zercher is (415) 292-1041.
- Does Richard Zercher accept Medicare?
- Richard Zercher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Zercher's NPI active?
- Yes — Richard Zercher's NPI (1902938939) is active in the NPPES registry as of the last update on 2012-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.