Organization Active NPI

One Medical Group, Inc

  • Family Medicine Physician
  • Phoenix, AZ
National Provider Identifier
1427973387
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
ONE MEDICAL GROUP, INC
Practice address
2201 E Camelback Rd Ste 101a
Phoenix, AZ 85016-3495
Phone
(888) 663-6331
Fax
(415) 252-7176
NPI assigned
Aug 11, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Andrew S Diamond, MD
Title
President
Phone
(415) 689-3426

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207Q00000X Primary
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X
Pediatrics PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208000000X

Addresses

Primary practice location

2201 E Camelback Rd Ste 101a
Phoenix, AZ 85016-3495

Mailing address

1 Embarcadero Ctr Ste 1900
San Francisco, CA 94111-3723
Phone (415) 658-6791

National Provider Directory

National Provider Directory
Tax ID family
One Medical Group Inc21 organizations share this tax ID, including this one

Other organizations with this tax ID 20

Organizations that report the same tax identification number in the National Provider Directory.

View all 20

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1786406400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786406400000",
    "number": "1427973387",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "415-658-6791",
            "fax_number": "415-520-0904"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2201 E CAMELBACK RD STE 101A",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850163495",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ONE MEDICAL GROUP, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-11",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A",
        "authorized_official_last_name": "DIAMOND",
        "authorized_official_first_name": "ANDREW",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "415-689-3426",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Phoenix, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.