NPPES file of Aug 9, 2026

Matthew K. Littleton

Physician Assistant · Florence, MT

Matthew K. Littleton is a physician assistant with a practice address in Florence, Montana, and NPI 1801521661, issued on Jul 17, 2022. Check the license (Montana MED-PAC-LIC-147324, as entered in NPPES) with the Montana board that licenses this profession; 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
1801521661
Name
Matthew K. Littleton
Primary taxonomy
Physician Assistant 363A00000X
License numbers
MED-PAC-LIC-147324 MT
PA2023-0315 NM
Self-reported in NPPES; status is on the state search
Practice location
5549 US Highway 93 N, Florence, MT 59833
Phone
(406) 273-4923
Enumerated
Jul 17, 2022
Record last updated
Dec 9, 2025
Fax
(406) 329-4174
Medicare enrollment
Enrolled (PECOS I20251009003086); accepts Medicare assignment
Medical or professional school
Rocky Vista University College Of Osteopathic Med, 2023
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 5549 US Highway 93 N

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

  1. Terrence AustinPhysician Assistant1265825434
  2. Mariah Bonner, DOFamily Medicine Physician1962825356
  3. James Jennings, DOFamily Medicine Physician1003312604
  4. Courtney Kerr, FNPFamily Nurse Practitioner1801571674
  5. Sarah McNair, LCSWClinical Social Worker1326508342

Verify Matthew K. Littleton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license MED-PAC-LIC-147324
    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
Find the Montana 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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76% fewer Medicare Part D claims than the average physician assistant in 2024

202 Medicare Part D claims for 164 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Matthew Littleton202
  2. Specialty average830

Most prescribed

  1. Doxycycline Hyclate26 claims
  2. Prednisone20 claims
  3. Cephalexin15 claims
  4. Azithromycin13 claims
  5. Albuterol Sulfate Hfa11 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.

Bills Medicare through one group practice

  1. Providence Health And Services MtMissoula, MT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew K. Littleton among 698 physician assistant records in Montana

Matthew K. Littleton is one of 698 physician assistant records with a practice address in Montana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 80% of them.

  • NPI issued2022 · 80% of these records are older, 15% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2023 · median 2016 among the 514 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 physician assistant records list a practice address in Florence

They are 2 of the 48 NPPES records with a practice address in Florence, and 698 physician assistant records in Montana.

The 8 physician assistant records with the nearest ZIP codes

  1. Terrence AustinFlorence, MT 598331265825434
  2. Maria Rennaker, PADarby, MT 598291215521331
  3. Taylor Anderson, PA-CHamilton, MT 598401639958275
  4. Barbara Burke, PA-CHamilton, MT 598401386746600
  5. Edward Cleary, PA-CHamilton, MT 598401790566321
  6. Hugh Gapay, PA-CHamilton, MT 598401396968202
  7. Patrick Grimm, PA-CHamilton, MT 598401154318574
  8. Jean Higgins Peretto, PAHamilton, MT 598401821196387

Common questions

What is Matthew K. Littleton's NPI number?

Matthew K. Littleton's National Provider Identifier (NPI) is 1801521661, issued on Jul 17, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Matthew K. Littleton located?

The NPPES record lists a practice address at 5549 US Highway 93 N, Florence, MT, 59833. Phone: (406) 273-4923. Providers update this record themselves, so call before visiting.

How can I verify Matthew K. Littleton's license?

NPPES lists Montana license number MED-PAC-LIC-147324, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew K. Littleton prescribe under Medicare Part D?

In 2024, Matthew K. Littleton had 202 Medicare Part D claims for 164 beneficiaries; the average among physician assistant prescribers was 830. 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.