One Medical Seniors Group, Inc.
NPI 1326986050 · Internal Medicine Physician · San Francisco, CA
One Medical Seniors Group, Inc. is a Internal Medicine Physician organization in San Francisco, CA (NPI 1326986050).
Provider details
- NPI number
- 1326986050
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Andrew Diamond, Owner(415) 689-3426
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-03-23
- Last updated
- 2026-03-23
- Certified
- 2026-03-23
Frequently asked questions
- What is One Medical Seniors Group, Inc.'s NPI number?
- One Medical Seniors Group, Inc.'s National Provider Identifier (NPI) is 1326986050, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is One Medical Seniors Group, Inc.?
- One Medical Seniors Group, Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is One Medical Seniors Group, Inc. located?
- One Medical Seniors Group, Inc.'s practice location on file with NPPES is 1 Embarcadero Ctr Ste 1900, San Francisco, CA 94111-3723.
- What is One Medical Seniors Group, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for One Medical Seniors Group, Inc. is (888) 663-6331.
- Who is the authorized official for One Medical Seniors Group, Inc.?
- The authorized official listed on One Medical Seniors Group, Inc.'s NPPES record is Andrew Diamond, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is One Medical Seniors Group, Inc.'s NPI active?
- Yes — One Medical Seniors Group, Inc.'s NPI (1326986050) is active in the NPPES registry as of the last update on 2026-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.