NPPES file of Aug 9, 2026

Mysha K. Mason, MD

Hospitalist Physician · Bozeman, MT

Mysha K. Mason, MD is a hospitalist physician with a practice address in Bozeman, Montana, and NPI 1316213887, issued on Mar 28, 2012. Check the license (Montana 118012, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316213887
Name
Mysha K. Mason
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
118012 MT
0055187 CO
DR.0055187 CO
Self-reported in NPPES; status is on the state search
Practice location
915 Highland Blvd, Bozeman, MT 59715
Phone
(406) 414-5000
Enumerated
Mar 28, 2012
Record last updated
Apr 9, 2025
Medicaid ID
26339200 CO
Medicare enrollment
Enrolled (PECOS I20230915001065); accepts Medicare assignment
Medical or professional school
Geisel School Of Medicine At Dartmouth, 2012
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 915 Highland Blvd

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

  1. Stephanie Abraham, M.D.Emergency Medicine Physician1306135785
  2. Adeola Adelayo, M.D.Child & Adolescent Psychiatry Physician1205996907
  3. Linda Altans, RPHPharmacist1912117748
  4. Kara Arvin, MDNeonatal-Perinatal Medicine Physician1083605976
  5. James Attarian, MDInternal Medicine Physician1144209198
  6. Michelle Bailey, RN, CS, FNPFamily Nurse Practitioner1134546781

Verify Mysha K. Mason 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 118012
    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

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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60% fewer Medicare Part D claims than the average hospitalist physician in 2024

207 Medicare Part D claims for 83 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 19 claims were for opioids.

  1. Mysha Mason207
  2. Specialty average521

Most prescribed

  1. Eliquis16 claims
  2. Metoprolol Succinate13 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.

The MIPS final score for 2023 (Medicare payment program): 97.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Bozeman Health Deaconess HospitalBozeman, MT · Acute Care Hospitals4 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.

Mysha K. Mason among 101 hospitalist physician records in Montana

Mysha K. Mason, MD is one of 101 hospitalist physician records with a practice address in Montana. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 49% of them.

  • NPI issued2012 · 49% of these records are older, 48% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2012 · median 2012 among the 79 with a school on file
  • Record last updated2025 · 17% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Montana

There are 101 hospitalist physician records in Montana.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Kimberly Borke, MDBozeman, MT 597151154467801
  2. Christopher Brown, M.D.Bozeman, MT 597151609011881
  3. Macgregor Brownlow, M.D.Bozeman, MT 597151275952269
  4. Patrick Gaylor, DOBozeman, MT 597151730161027
  5. Daniel Hyman, M.D.Bozeman, MT 597151922493675
  6. Tory Katz, MDBozeman, MT 597151003805847
  7. Guru Khalsa, M.D.Bozeman, MT 597151104010818
  8. Jason Marley, D.O.Bozeman, MT 597151902032816

Common questions

What is Mysha K. Mason, MD's NPI number?

Mysha K. Mason, MD's National Provider Identifier (NPI) is 1316213887, issued on Mar 28, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Mysha K. Mason, MD located?

The NPPES record lists a practice address at 915 Highland Blvd, Bozeman, MT, 59715. Phone: (406) 414-5000. Providers update this record themselves, so call before visiting.

How can I verify Mysha K. Mason, MD's license?

NPPES lists Montana license number 118012, 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 Mysha K. Mason, MD prescribe under Medicare Part D?

In 2024, Mysha K. Mason, MD had 207 Medicare Part D claims for 83 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Mysha K. Mason, MD's MIPS final score?

The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.