Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

ONE MEDICAL GROUP, INC
NPI 1427973387
Family Medicine in Phoenix, AZ

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

The NPI number for One Medical Group, Inc is 1427973387. It was assigned to this organization in the NPPES registry on August 11, 2026.

Q: What is One Medical Group, Inc's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since August 11, 2026

2201 E CAMELBACK RD STE 101A, PHOENIX, AZ 85016(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record added: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About One Medical Group, Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ONE MEDICAL GROUP, INC (NPI 1427973387) is a healthcare organization registered as a family medicine in Phoenix, Arizona and active in the NPI registry since August 2026. The organization lists Andrew S Diamond, President, as its authorized official.

NPPES Registry Identity

NPI1427973387

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameONE MEDICAL GROUP, INC

Location Address2201 E CAMELBACK RD STE 101APhoenix, AZ 85016-3495

Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (415) 658-6791 · Fax (415) 520-0904

Phone(888) 663-6331

Fax(415) 252-7176

Organization SubpartNo

Authorized OfficialAndrew S DiamondPresident · (415) 689-3426

Enumeration DateAugust 11, 2026

NPPES CertifiedAugust 11, 2026

✔ NPI 1427973387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedInternal MedicineTaxonomy 207R00000X

Also ListedPediatricsTaxonomy 208000000X

2201 E CAMELBACK RD STE 101A, Phoenix, AZ 85016

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MARCIE KNOX HART DNP

Nurse Practitioner (Family)