Gary J. Willstein, MD
Orthopaedic Surgery Physician · Missoula, MT
Gary J. Willstein, MD is an orthopaedic surgery physician with a practice address in Missoula, Montana, and NPI 1932154671, issued on May 23, 2006. Check the license (Montana 9552, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gary J. Willstein
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 9552 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2360 Mullan RD, Missoula, MT 59808
- Phone
- (406) 721-4436
- Enumerated
- May 23, 2006
- Record last updated
- Aug 26, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (406) 721-3907
- Medicaid ID
- 0028002 MT
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 105 in Montana → Look up another NPI →
Also registered at 2360 Mullan RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meagan Auch, PA-CPhysician Assistant1154534691
- Joan Bond-Deschamps, PA-CPhysician Assistant1790726115
- Robert Botkin, P.T.Physical Therapist1730157165
- Rayme Caton, ATC, NCBMTAthletic Trainer1295797371
- Mark Channer, M.D.Orthopaedic Surgery Physician1649259441
- Cynthia Cleveland, DPTPhysical Therapist1588079016
Verify Gary J. Willstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 9552Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
374 Medicare Part D claims for 145 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 122 claims were for opioids.
Most prescribed
- Celecoxib110 claims
- Oxycodone Hcl74 claims
- Meloxicam45 claims
- Methocarbamol38 claims
- Hydrocodone-Acetaminophen26 claims
- Omeprazole15 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $343.42
3 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gary J. Willstein among 105 orthopaedic surgery physician records in Montana
Gary J. Willstein, MD is one of 105 orthopaedic surgery physician records with a practice address in Montana. 70% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 35% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2014 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Montana
There are 105 orthopaedic surgery physician records in Montana.
All 105 in Montana → Every provider in Missoula → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Mark Channer, M.D.Missoula, MT 598081649259441
- Glenn Jarrett, M.D.Missoula, MT 598081356320246
- Jeffrey Laporte, M.D.Missoula, MT 598081548255540
- Mark Rotar, M.D.Missoula, MT 598081841279304
- John Werner, MDMissoula, MT 598081437710100
- Zackery Witte, M.D.Missoula, MT 598081174968416
- Michael Woods, M.D.Missoula, MT 598081386623619
- James Burton, M.D.Missoula, MT 598041346374972
Common questions
What is Gary J. Willstein, MD's NPI number?
Gary J. Willstein, MD's National Provider Identifier (NPI) is 1932154671, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary J. Willstein, MD located?
The NPPES record lists a practice address at 2360 Mullan RD, Missoula, MT, 59808. Phone: (406) 721-4436. Providers update this record themselves, so call before visiting.
How can I verify Gary J. Willstein, MD's license?
NPPES lists Montana license number 9552, 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 Gary J. Willstein, MD prescribe under Medicare Part D?
In 2024, Gary J. Willstein, MD had 374 Medicare Part D claims for 145 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Gary J. Willstein, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.