Ulker Tok, M.D.

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

30725 Issued in AZ

Practice address

403 W Cool Dr Ste 107
Tucson, AZ 85704-6551

Phone

(520) 792-2199

Fax

(520) 818-9992

NPI assigned

Feb 28, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in AZ

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Rheumatology

Education

Other, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwest Rheumatology PLLCGroup PAC ID 9335152743, 2 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Northwest Rheumatology PLLC

  • Rheumatology Physician
  • Tucson, AZ
  • NPI 1083669949
  Medicare reassignment Care Compare group NPD Authorized official

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

{
    "created_epoch": "1141084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1073580924",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1925 W ORANGE GROVE RD STE 307",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857041152",
            "telephone_number": "520-792-2199",
            "fax_number": "520-818-9992"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "403 W COOL DR STE 107",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857046551",
            "telephone_number": "520-792-2199",
            "fax_number": "520-818-9992"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TOK",
        "first_name": "ULKER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-28",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "AZ",
            "license": "30725",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "744913",
            "state": "AZ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "30725",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Samantha Toft
• Robert Tofte
• Peri Tohm
• Tohono O'Odham Nation
• Fredy Toiber, M.D.
• Brent Toland, M.D.
• Celina Amelia Tolano, LCSW
• Elias Michael Tolano, BCBA
• Shawn Tolbert, MD
• Noah M Tolby, M.D.

• Rheumatology Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Rheumatology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.