One Medical Group of Washington, P.C.
NPI 1912492828 · Internal Medicine Physician · Seattle, WA
One Medical Group of Washington, P.C. is a Internal Medicine Physician organization in Seattle, WA (NPI 1912492828).
Provider details
- NPI number
- 1912492828
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- One Medical Group of Washington, P.C.
- Organization subpart
- Yes
- Authorized official
- Andrew Diamond, President(415) 658-6791
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Psychologist103T00000X
Behavioral Health & Social Service Providers
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
- Pediatrics Physician208000000X
Allopathic & Osteopathic Physicians
- Psychiatry Physician2084P0800X
Allopathic & Osteopathic Physicians
- Physical Therapist225100000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
Other names (DBA / former)
- Doing business as
- One Medical
- Doing business as
- One Medical
Registry dates
- Enumerated
- 2018-06-25
- Last updated
- 2018-06-25
Frequently asked questions
- What is One Medical Group of Washington, P.C.'s NPI number?
- One Medical Group of Washington, P.C.'s National Provider Identifier (NPI) is 1912492828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is One Medical Group of Washington, P.C.?
- One Medical Group of Washington, P.C. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is One Medical Group of Washington, P.C. located?
- One Medical Group of Washington, P.C.'s practice location on file with NPPES is 625 Boren Avenue North, Seattle, WA 98109.
- What is One Medical Group of Washington, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for One Medical Group of Washington, P.C. is (415) 658-6791.
- Who is the authorized official for One Medical Group of Washington, P.C.?
- The authorized official listed on One Medical Group of Washington, P.C.'s NPPES record is Andrew Diamond, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is One Medical Group of Washington, P.C.'s NPI active?
- Yes — One Medical Group of Washington, P.C.'s NPI (1912492828) is active in the NPPES registry as of the last update on 2018-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.