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David Gershan, M.D.
NPI 1922182393 · Family Medicine Physician · Daly City, CA
David Gershan, M.D. is a Family Medicine Physician provider in Daly City, CA (NPI 1922182393).
Provider details
- NPI number
- 1922182393
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A50546 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
380 90th St
Daly City, CA 94015-1807
Phone: (650) 301-8600
Street-level locationGet directions
Mailing address
222 W 39th Ave
San Mateo, CA 94403-4364
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Gershan's NPI number?
- David Gershan's National Provider Identifier (NPI) is 1922182393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gershan's specialty?
- David Gershan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Gershan located?
- David Gershan's practice location on file with NPPES is 380 90th St, Daly City, CA 94015-1807.
- What is David Gershan's phone number?
- The practice phone number listed in the NPPES registry for David Gershan is (650) 301-8600.
- Is David Gershan's NPI active?
- Yes — David Gershan's NPI (1922182393) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.