NPPES file of Aug 9, 2026

Tysen Timmer, MD

Orthopaedic Surgery Physician · Great Falls, MT

Tysen Timmer, MD is an orthopaedic surgery physician with a practice address in Great Falls, Montana, and NPI 1134614019, issued on Jun 24, 2018. Check the license (Montana 127303, as entered in NPPES) on the Montana Board of Medical Examiners; 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
1134614019
Name
Tysen Timmer
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
127303 MT
RL15177 ND
Self-reported in NPPES; status is on the state search
Practice location
1401 25TH St S, Great Falls, MT 59405
Phone
(406) 731-8888
Enumerated
Jun 24, 2018
Record last updated
Apr 4, 2024
Fax
(406) 731-8318
Medicare enrollment
Enrolled (PECOS I20230801003862); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2018
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 1401 25TH St S

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

  1. Thomas Addison, MDGeriatric Medicine (Internal Medicine) Physician1871594754
  2. Sheela Ahmed, MDPulmonary Disease Physician1083736227
  3. Jill Aitken, AUDAudiologist1730386020
  4. Jamie Aleba, PAMedical Physician Assistant1184929572
  5. Thomas Attaway, MDGastroenterology Physician1922012442
  6. Lily AvgustovskiyNurse Practitioner1093122335

Verify Tysen Timmer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 127303
    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 Montana license search

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85% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

53 Medicare Part D claims for 23 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 12 claims were for opioids.

  1. Tysen Timmer53
  2. Specialty average346

Most prescribed

  1. Meloxicam20 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: $3,583.94

14 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tysen Timmer$3,584
  2. Specialty average$23,023

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars

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). Star ratings are CMS hospital ratings, not ratings of this provider.

Orthopaedic Surgery Physician providers in Montana

There are 105 orthopaedic surgery physician records in Montana.

Other orthopaedic surgery physician records in Montana

  1. Lowell Anderson, MDBozeman, MT1356447163
  2. Matthew AndersonPolson, MT1033641550
  3. Todd Anderson, MDLivingston, MT1730198342
  4. John Avery, MDGreat Falls, MT1821099706
  5. Matthew Bailey, M.D.Kalispell, MT1396896577
  6. Lotfi Ben-Youssef, M.D.Sidney, MT1609919364
  7. Joseph Bergman, M.D.Kalispell, MT1285898569
  8. Erik Bergquist, M.D.Helena, MT1740406412
  9. James Blasingame, MDKalispell, MT1477509198
  10. Nick Blavatsky, MDButte, MT1902986227

Common questions

What is Tysen Timmer, MD's NPI number?

Tysen Timmer, MD's National Provider Identifier (NPI) is 1134614019, issued on Jun 24, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Tysen Timmer, MD located?

The NPPES record lists a practice address at 1401 25TH St S, Great Falls, MT, 59405. Phone: (406) 731-8888. Providers update this record themselves, so call before visiting.

How can I verify Tysen Timmer, MD's license?

NPPES lists Montana license number 127303, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tysen Timmer, MD prescribe under Medicare Part D?

In 2024, Tysen Timmer, MD had 53 Medicare Part D claims for 23 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.