M Quan, MD
NPI 1437104031 · Obstetrics & Gynecology Physician · San Francisco, CA
M Quan, MD is a Obstetrics & Gynecology Physician provider in San Francisco, CA (NPI 1437104031).
Provider details
- NPI number
- 1437104031
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- G36056 (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
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
- 2006-05-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is M Quan's NPI number?
- M Quan's National Provider Identifier (NPI) is 1437104031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is M Quan's specialty?
- M Quan is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is M Quan located?
- M Quan's practice location on file with NPPES is 3838 California St, San Francisco, CA 94118.
- What is M Quan's phone number?
- The practice phone number listed in the NPPES registry for M Quan is (415) 221-6668.
- Is M Quan's NPI active?
- Yes — M Quan's NPI (1437104031) 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.