NPPES file of Aug 9, 2026

Thomas Frederick Gilles, M.D,

Family Medicine Physician · Fairfax, MN

Thomas Frederick Gilles, M.D, is a family medicine physician with a practice address in Fairfax, Minnesota, and NPI 1164617866, issued on Sep 6, 2007. Check the license (Minnesota 18493, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164617866
Name
Thomas Frederick Gilles
Credential
M.D,
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
18493 MN
Self-reported in NPPES; status is on the state search
Practice location
300 Park St S, Fairfax, MN 55332
Phone
(507) 426-7228
Enumerated
Sep 6, 2007
Record last updated
Sep 6, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20071004000771); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 1967
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Thomas Frederick Gilles in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 18493
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

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4% fewer Medicare Part D claims than the average family medicine physician in 2024

3,402 Medicare Part D claims for 208 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 141 claims were for opioids.

  1. Thomas Gilles3,402
  2. Specialty average3,544

Most prescribed

  1. Lisinopril213 claims
  2. Amlodipine Besylate171 claims
  3. Simvastatin159 claims
  4. Rosuvastatin Calcium154 claims
  5. Levothyroxine Sodium129 claims
  6. Losartan Potassium129 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.

Thomas Frederick Gilles among 3,985 family medicine physician records in Minnesota

Thomas Frederick Gilles, M.D, is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 58% of them.

  • NPI issued2007 · 58% of these records are older, 37% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1967 · median 2006 among the 2,483 with a school on file
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in Minnesota

There are 3,985 family medicine physician records in Minnesota.

The 8 family medicine physician records with the nearest ZIP codes

  1. Hilary Hammell, D.O.Excelsior, MN 553311386963296
  2. Elizabeth Kennedy, DOExcelsior, MN 553311215007414
  3. Sarah Kim, M.D.Shorewood, MN 553311679729131
  4. Lucy Kurtz EikevikExcelsior, MN 553311215349246
  5. Swarna Latha, M.DExcelsior, MN 553311912013954
  6. Tristan Pennella, DOExcelsior, MN 553311356923361
  7. Briana Rueda, DOExcelsior, MN 553311154505287
  8. Joshua ScheckExcelsior, MN 553311306223532

Common questions

What is Thomas Frederick Gilles, M.D,'s NPI number?

Thomas Frederick Gilles, M.D,'s National Provider Identifier (NPI) is 1164617866, issued on Sep 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Frederick Gilles, M.D, located?

The NPPES record lists a practice address at 300 Park St S, Fairfax, MN, 55332. Phone: (507) 426-7228. Providers update this record themselves, so call before visiting.

How can I verify Thomas Frederick Gilles, M.D,'s license?

NPPES lists Minnesota license number 18493, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Frederick Gilles, M.D, prescribe under Medicare Part D?

In 2024, Thomas Frederick Gilles, M.D, had 3,402 Medicare Part D claims for 208 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.