Eric Hassall, MD
NPI 1205166741 · Pediatric Gastroenterology Physician · San Francisco, CA
Eric Hassall, MD is a Pediatric Gastroenterology Physician provider in San Francisco, CA (NPI 1205166741).
Provider details
- NPI number
- 1205166741
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A37665 (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
16 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
- 2010-01-06
- Last updated
- 2011-11-29
Frequently asked questions
- What is Eric Hassall's NPI number?
- Eric Hassall's National Provider Identifier (NPI) is 1205166741, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Hassall's specialty?
- Eric Hassall is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Hassall located?
- Eric Hassall's practice location on file with NPPES is 3700 California St # B555, San Francisco, CA 94118-1618.
- What is Eric Hassall's phone number?
- The practice phone number listed in the NPPES registry for Eric Hassall is (415) 600-0750.
- Is Eric Hassall's NPI active?
- Yes — Eric Hassall's NPI (1205166741) is active in the NPPES registry as of the last update on 2011-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.