What is One Medical Group, Inc.'s NPI number?

One Medical Group, Inc.'s National Provider Identifier (NPI) is 1376189837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is One Medical Group, Inc.?

One Medical Group, Inc. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is One Medical Group, Inc. located?

One Medical Group, Inc.'s practice location on file with NPPES is 1600 7th Ave Ste 110, Seattle, WA 98101-2288.

What is One Medical Group, Inc.'s phone number?

The practice phone number listed in the NPPES registry for One Medical Group, Inc. is (888) 663-6331.

Who is the authorized official for One Medical Group, Inc.?

The authorized official listed on One Medical Group, Inc.'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, Inc.'s NPI active?

Yes — One Medical Group, Inc.'s NPI (1376189837) is active in the NPPES registry as of the last update on 2025-04-03.

OrganizationActive

One Medical Group, Inc.

NPI 1376189837 · Family Medicine Physician · Seattle, WA

One Medical Group, Inc. is a Family Medicine Physician organization in Seattle, WA (NPI 1376189837).

Provider details

NPI number: 1376189837
Entity type: Organization
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Parent organization: One Medical Group, Inc.
Organization subpart: Yes
Authorized official: Andrew Diamond, President(415) 658-6791

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000X
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
Pediatrics Physician208000000X
Allopathic & Osteopathic Physicians

Profile Score

Established profile(74/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
6 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
23 documented practice locations

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

1600 7th Ave Ste 110

Seattle, WA 98101-2288

Phone: (888) 663-6331

Fax: (415) 252-7176

Street-level locationGet directions

More WA providers

Mailing address

1 Embarcadero Ctr Ste 1900

San Francisco, CA 94111-3723

Other names (DBA / former)

Doing business as: One Medical
Other name: One Medical

Additional practice locations (22)

4745 Chace Cir Ste 101
Hoover, AL 35244-3713
Phone: (888) 663-6331
Fax: (415) 252-7176
2201 E Camelback Rd Ste 101a
Phoenix, AZ 85016-3495
Phone: (888) 663-6331
Fax: (415) 252-7176
1801 Shattuck Ave Ste a
Berkeley, CA 94709-1872
Phone: (888) 663-6331
Fax: (415) 252-7176
9725 Wilshire Blvd
Beverly Hills, CA 90212-2002
Phone: (888) 663-6331
Fax: (415) 252-7176
801 Spectrum Center Dr
Irvine, CA 92618-4959
Phone: (888) 663-6331
Fax: (415) 252-7176
590 Forest Ave
Palo Alto, CA 94301-2611
Phone: (888) 663-6331
Fax: (415) 252-7176
1230 Columbia St Ste 100
San Diego, CA 92101-8502
Phone: (888) 663-6331
Fax: (415) 252-7176
2 Embarcadero Ctr Lbby Level
San Francisco, CA 94111-3823

Enumerated: 2019-11-20
Last updated: 2025-04-03
Certified: 2025-04-03

Frequently asked questions

What is One Medical Group, Inc.'s NPI number?: One Medical Group, Inc.'s National Provider Identifier (NPI) is 1376189837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is One Medical Group, Inc.?: One Medical Group, Inc. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
Where is One Medical Group, Inc. located?: One Medical Group, Inc.'s practice location on file with NPPES is 1600 7th Ave Ste 110, Seattle, WA 98101-2288.
What is One Medical Group, Inc.'s phone number?: The practice phone number listed in the NPPES registry for One Medical Group, Inc. is (888) 663-6331.
Who is the authorized official for One Medical Group, Inc.?: The authorized official listed on One Medical Group, Inc.'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, Inc.'s NPI active?: Yes — One Medical Group, Inc.'s NPI (1376189837) is active in the NPPES registry as of the last update on 2025-04-03.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.