NPPES file of Aug 9, 2026

Thomas Blair Matheson, MD

Family Medicine Physician · Bowman, ND

Thomas Blair Matheson, MD is a family medicine physician with a practice address in Bowman, North Dakota, and NPI 1558365106, issued on Jun 10, 2005. Check the license (North Dakota 7998, as entered in NPPES) on the North Dakota Board of Medicine; 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
1558365106
Name
Thomas Blair Matheson
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
7998 ND
53815 MN
Self-reported in NPPES; status is on the state search
Practice location
12 6TH Ave SW, Bowman, ND 58623
Phone
(701) 523-3226
Enumerated
Jun 10, 2005
Record last updated
Jan 14, 2025
Fax
(701) 523-7107
Medicaid ID
10597 ND
Medicare enrollment
Enrolled (PECOS I20050719000338); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 1988
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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Also registered at 12 6TH Ave SW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lacey Juelfs, PTAPhysical Therapy Assistant1053776864
  2. Kevin Mark, DMDDentist1417610668
  3. Barbi Narum, LRDRegistered Dietitian1275509077

Verify Thomas Blair Matheson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Dakota Board of Medicine
    Search for license 7998
    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 North Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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97% fewer Medicare Part D claims than the average family medicine physician in 2024

110 Medicare Part D claims for 73 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Thomas Matheson110
  2. Specialty average3,544

Most prescribed

  1. Sulfamethoxazole-Trimethoprim20 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.

4 hospitals and group practices

  1. Lisbon Area Health ServicesLisbon, ND · Critical Access Hospitals
  2. Madison Community HospitalMadison, SD
  3. Mercy Hospital OF Valley CityValley City, ND
  4. Sanford Health NetworkClear Lake, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Thomas Blair Matheson among 596 family medicine physician records in North Dakota

Thomas Blair Matheson, MD is one of 596 family medicine physician records with a practice address in North Dakota. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1988 · median 2007 among the 305 with a school on file
  • Record last updated2025 · 54% 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 North Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 family medicine physician records list a practice address in Bowman

They are 2 of the 36 NPPES records with a practice address in Bowman, and 596 family medicine physician records in North Dakota.

The 8 family medicine physician records with the nearest ZIP codes

  1. Tim Adams, MDBowman, ND 586231023096880
  2. Tyrone Langager, M.D.Glen Ullin, ND 586311992822464
  3. Robert Grossman, MDHettinger, ND 586391295821932
  4. Thomas Jacobsen, MDHettinger, ND 586391053405662
  5. John Joyce, MDHettinger, ND 586391144315441
  6. Terrance Mack, MDHettinger, ND 586391457445892
  7. Joseph Mattson, MDHettinger, ND 586391427142017
  8. Catherine Shirek, MDHettinger, ND 586391013003755

Common questions

What is Thomas Blair Matheson, MD's NPI number?

Thomas Blair Matheson, MD's National Provider Identifier (NPI) is 1558365106, issued on Jun 10, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Blair Matheson, MD located?

The NPPES record lists a practice address at 12 6TH Ave SW, Bowman, ND, 58623. Phone: (701) 523-3226. Providers update this record themselves, so call before visiting.

How can I verify Thomas Blair Matheson, MD's license?

NPPES lists North Dakota license number 7998, as entered by the provider. Search the North Dakota Board of Medicine at https://www.ndbom.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Blair Matheson, MD prescribe under Medicare Part D?

In 2024, Thomas Blair Matheson, MD had 110 Medicare Part D claims for 73 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.