IndividualActive
David Quan, PHARM.D.
NPI 1790883924 · Pharmacotherapy Pharmacist · San Francisco, CA
David Quan, PHARM.D. is a Pharmacotherapy Pharmacist provider in San Francisco, CA (NPI 1790883924).
Provider details
- NPI number
- 1790883924
- Entity type
- Individual
- Primary specialty
- Pharmacotherapy PharmacistPharmacy Service Providers
- Credential
- PHARM.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- RPH44655 (CA)
Specialties & taxonomies
Pharmacy Service Providers
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
521 Parnassus Ave
Room C-152, Box 0622
San Francisco, CA 94143-2206
Phone: (415) 353-1462
Fax: (415) 353-1240
Street-level locationGet directions
Mailing address
521 Parnassus Ave
San Francisco, CA 94143-2206
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Quan's NPI number?
- David Quan's National Provider Identifier (NPI) is 1790883924, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Quan's specialty?
- David Quan is listed in the NPPES registry with a primary specialty of Pharmacotherapy Pharmacist (Pharmacy Service Providers).
- Where is David Quan located?
- David Quan's practice location on file with NPPES is 521 Parnassus Ave, San Francisco, CA 94143-2206.
- What is David Quan's phone number?
- The practice phone number listed in the NPPES registry for David Quan is (415) 353-1462.
- Is David Quan's NPI active?
- Yes — David Quan's NPI (1790883924) 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.