Benjamin Sommer, DO
NPI 1528396710 · Family Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Sommer, DO is a Family Medicine Physician provider in San Francisco, CA (NPI 1528396710).
Provider details
- NPI number
- 1528396710
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OP60775849 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2009-11-26
- Last updated
- 2024-08-19
- Certified
- 2024-08-19
Frequently asked questions
- What is Benjamin Sommer's NPI number?
- Benjamin Sommer's National Provider Identifier (NPI) is 1528396710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Sommer's specialty?
- Benjamin Sommer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Sommer located?
- Benjamin Sommer's practice location on file with NPPES is 1 California St Ste 2300, San Francisco, CA 94111-5424.
- What is Benjamin Sommer's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Sommer is (800) 997-6196.
- Does Benjamin Sommer accept Medicare?
- Benjamin Sommer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Sommer's NPI active?
- Yes — Benjamin Sommer's NPI (1528396710) is active in the NPPES registry as of the last update on 2024-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.