Ulker Tok, M.D.
Rheumatology Physician · Tucson, AZ
Ulker Tok, M.D. is a rheumatology physician with a practice address in Tucson, Arizona, and NPI 1073580924, issued on Feb 28, 2006. Check the license (Arizona 30725, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ulker Tok
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 30725 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 403 W Cool Dr Ste 107, Tucson, AZ 85704
- Phone
- (520) 792-2199
- Enumerated
- Feb 28, 2006
- Record last updated
- Jun 25, 2025
- Fax
- (520) 818-9992
- Medicaid ID
- 744913 AZ
- Medicare enrollment
- Enrolled (PECOS I20060801000433); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 117 in Arizona → Look up another NPI →
Also registered at 403 W Cool Dr Ste 107
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jill Caffrey, PH.D.Clinical Neuropsychologist1669514758
Verify Ulker Tok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 30725Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average rheumatology physician in 2024
7,244 Medicare Part D claims for 859 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 104 claims were for opioids.
Most prescribed
- Methotrexate1,321 claims
- Hydroxychloroquine Sulfate1,100 claims
- Prednisone888 claims
- Folic Acid412 claims
- Humira(Cf) Pen376 claims
- Leucovorin Calcium242 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,876.37
156 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northwest Rheumatology PLLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ulker Tok among 117 rheumatology physician records in Arizona
Ulker Tok, M.D. is one of 117 rheumatology physician records with a practice address in Arizona. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 46% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1996 · median 2001 among the 83 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Arizona
There are 117 rheumatology physician records in Arizona.
All 117 in Arizona → Every provider in Tucson → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Laurie Bergstrom, MDTucson, AZ 857041972694123
- Romy Cabacungan, M.D.Tucson, AZ 857041417190828
- Jeffrey Loomer, MDTucson, AZ 857041003824442
- Michael Maricic, MDTucson, AZ 857041720179971
- Sabina Mian, MDTucson, AZ 857041063631513
- Deborah Power, DOTucson, AZ 857041497846653
- Ruta Tesfamicael, M.D.Tucson, AZ 857041770915282
- Bridget Walsh, DOTucson, AZ 857041326139585
Common questions
What is Ulker Tok, M.D.'s NPI number?
Ulker Tok, M.D.'s National Provider Identifier (NPI) is 1073580924, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ulker Tok, M.D. located?
The NPPES record lists a practice address at 403 W Cool Dr Ste 107, Tucson, AZ, 85704. Phone: (520) 792-2199. Providers update this record themselves, so call before visiting.
How can I verify Ulker Tok, M.D.'s license?
NPPES lists Arizona license number 30725, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ulker Tok, M.D. prescribe under Medicare Part D?
In 2024, Ulker Tok, M.D. had 7,244 Medicare Part D claims for 859 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.