IndividualActive
Greg Gagnon, PHARM.D
NPI 1942583307 · Pharmacist · San Francisco, CA
Greg Gagnon, PHARM.D is a Pharmacist provider in San Francisco, CA (NPI 1942583307).
Provider details
- NPI number
- 1942583307
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 40386 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
670 4th St
San Francisco, CA 94107-1618
Phone: (415) 856-0543
Street-level locationGet directions
Mailing address
27 Adair St
San Francisco, CA 94103-3614
Registry dates
- Enumerated
- 2011-09-22
- Last updated
- 2011-09-22
Frequently asked questions
- What is Greg Gagnon's NPI number?
- Greg Gagnon's National Provider Identifier (NPI) is 1942583307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Gagnon's specialty?
- Greg Gagnon is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Greg Gagnon located?
- Greg Gagnon's practice location on file with NPPES is 670 4th St, San Francisco, CA 94107-1618.
- What is Greg Gagnon's phone number?
- The practice phone number listed in the NPPES registry for Greg Gagnon is (415) 856-0543.
- Is Greg Gagnon's NPI active?
- Yes — Greg Gagnon's NPI (1942583307) is active in the NPPES registry as of the last update on 2011-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.