Benjamin Hassid
NPI 1679899710 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Hassid is a Internal Medicine Physician provider in San Francisco, CA (NPI 1679899710).
Provider details
- NPI number
- 1679899710
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 264848 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 66 | 32 |
| Pantoprazole Sodium | 60 | 19 |
| Mesalamine | 51 | 16 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 40 | 37 |
| Esomeprazole Magnesium | 32 | — |
| Prucalopride Succinatebrand: Motegrity | 28 | — |
| Rifaximinbrand: Xifaxan | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-14
- Last updated
- 2021-12-16
Frequently asked questions
- What is Benjamin Hassid's NPI number?
- Benjamin Hassid's National Provider Identifier (NPI) is 1679899710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Hassid's specialty?
- Benjamin Hassid is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Hassid located?
- Benjamin Hassid's practice location on file with NPPES is 513 Parnassus Ave, San Francisco, CA 94143-2205.
- What is Benjamin Hassid's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Hassid is (415) 476-2776.
- Does Benjamin Hassid accept Medicare?
- Benjamin Hassid is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Hassid's NPI active?
- Yes — Benjamin Hassid's NPI (1679899710) is active in the NPPES registry as of the last update on 2021-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.