Active NPI
Northwest Rheumatology PLLC
- Rheumatology Physician
- Tucson, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Rheumatology Physician
- License
- 30725
- Legal business name
- NORTHWEST RHEUMATOLOGY PLLC
- Practice address
- 403 W Cool Dr Ste 107
Tucson, AZ 85704-6551 - Phone
- (520) 792-2199
- NPI assigned
- May 22, 2006
- Last updated
- Jun 25, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Ulker Tok, MD
- Title
- Owner/President
- Phone
- (520) 792-2199
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Rheumatology Physician | 207RR0500X | 30725 | AZ | Primary |
Addresses
Primary practice location
403 W Cool Dr Ste 107
Tucson, AZ 85704-6551
Mailing address
403 W Cool Dr Ste 107
Tucson, AZ 85704-6551
Phone (520) 792-2199
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
Enrollment records 1
National Provider Directory
National Provider DirectoryLocations
1521 E Tangerine Rd
Ste 331
Oro Valley, AZ 85755
Phone (520) 276-2033
13101 N Oracle Rd
Ste 175
Tucson, AZ 85739
Phone (520) 792-2199
1925 W Orange Grove Rd
Ste 307
Tucson, AZ 85704
Phone (520) 742-0414
403 W Cool Dr
Ste 107
Tucson, AZ 85704
Phone (520) 219-8989
Practitioners & affiliated clinicians
Practitioners 15
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Rheumatology Physician
- Tucson, AZ
- NPI 1073580924
-
- Nurse Practitioner
- Tucson, AZ
- NPI 1518510874
-
- Family Nurse Practitioner
- Willcox, AZ
- NPI 1710587019
-
- Family Nurse Practitioner
- Gilbert, AZ
- NPI 1790567816
-
- Family Nurse Practitioner
- Globe, AZ
- NPI 1922792191
-
- Family Nurse Practitioner
- Phoenix, AZ
- NPI 1346927365
-
- Gerontology Nurse Practitioner
- Goodyear, AZ
- NPI 1013455518
-
- Family Nurse Practitioner
- Flagstaff, AZ
- NPI 1104111277
-
- Family Nurse Practitioner
- Phoenix, AZ
- NPI 1497378541
-
- Family Nurse Practitioner
- Chandler, AZ
- NPI 1245977057
-
- Family Nurse Practitioner
- Yuma, AZ
- NPI 1245876499
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1148256000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1750809600000",
"number": "1083669949",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "403 W COOL DR STE 107",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857046551",
"telephone_number": "520-792-2199"
},
{
"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"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "NORTHWEST RHEUMATOLOGY PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2006-05-22",
"last_updated": "2025-06-25",
"certification_date": "2025-06-25",
"status": "A",
"authorized_official_last_name": "TOK",
"authorized_official_first_name": "ULKER",
"authorized_official_title_or_position": "OWNER/PRESIDENT",
"authorized_official_telephone_number": "520-792-2199",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207RR0500X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Internal Medicine, Rheumatology",
"state": "AZ",
"license": "30725",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Tucson, AZ
- Northwest Internal Medicine Assoc., P.C.
- Northwest Neuro Specialists, PLLC
- Northwest Pain Management PLLC
- Northwest Physical Therapy, PLLC
- Northwest Rancho Vistoso Imaging Services LLC (Southern Arizona Diagnostic Imaging Center)
- Northwest Sahuarita Hospital LLC (Northwest Medical Center Houghton)
- Northwest Surgical Assisting LLC
- Northwest Tucson Dialysis LLC (Northwest Tucson)
- Northwest Tucson Emergency Physicians
- Northwest Tucson Emergency Physicians
Sources for this page
- 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.