Gregory Fung MD Inc
NPI 1275673790 · Gastroenterology Physician · San Francisco, CA
Gregory Fung MD Inc is a Gastroenterology Physician organization in San Francisco, CA (NPI 1275673790).
Provider details
- NPI number
- 1275673790
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregory Fung, President(415) 982-6691
- License
- G41709 (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
- 2007-02-07
- Last updated
- 2014-06-23
Frequently asked questions
- What is Gregory Fung MD Inc's NPI number?
- Gregory Fung MD Inc's National Provider Identifier (NPI) is 1275673790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory Fung MD Inc?
- Gregory Fung MD Inc is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Fung MD Inc located?
- Gregory Fung MD Inc's practice location on file with NPPES is 789 Vallejo Street, San Francisco, CA 94133-3834.
- What is Gregory Fung MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Gregory Fung MD Inc is (415) 982-6691.
- Who is the authorized official for Gregory Fung MD Inc?
- The authorized official listed on Gregory Fung MD Inc's NPPES record is Gregory Fung, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory Fung MD Inc's NPI active?
- Yes — Gregory Fung MD Inc's NPI (1275673790) is active in the NPPES registry as of the last update on 2014-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.