NPPES file of Aug 9, 2026

Mariah Mitman, OD

Optometrist · Hamilton, MT

Mariah Mitman, OD is an optometrist with a practice address in Hamilton, Montana, and NPI 1366938771, issued on Jul 9, 2018. Check the license (Montana 3373, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366938771
Name
Mariah Mitman
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License numbers
3373 MT
1016 NV
Self-reported in NPPES; status is on the state search
Practice location
820 W Main St, Hamilton, MT 59840
Phone
(406) 363-2020
Enumerated
Jul 9, 2018
Record last updated
Jul 26, 2023
Medicaid ID
1366938771 NV
Medicare enrollment
Enrolled (PECOS I20230726002578); accepts Medicare assignment
Medical or professional school
Pacific University - College Of Optometry, 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 820 W Main St

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

  1. Dirk Beyer, O.D.Optometrist1699722249
  2. Christopher Qualls, ODOptometrist1053897397
  3. Robert Wilkins, O.D.Optometrist1427462712

Verify Mariah Mitman 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 3373
    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

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63% fewer Medicare Part D claims than the average optometrist in 2024

102 Medicare Part D claims for 58 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Mariah Mitman102
  2. Specialty average277

Most prescribed

  1. Fluorometholone26 claims
  2. Latanoprost23 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $151.17

1 payment: food and beverage; the largest payer was Glaukos Corporation. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mariah Mitman$151.17
  2. Specialty average$769.99

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

Bills Medicare through one group practice

  1. Beyer Big Sky Optical, IncHamilton, MT

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

Mariah Mitman among 245 optometrist records in Montana

Mariah Mitman, OD is one of 245 optometrist records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.

  • NPI issued2018 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2018 · median 2008 among the 160 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 optometrist records list a practice address in Hamilton

They are 6 of the 399 NPPES records with a practice address in Hamilton, and 245 optometrist records in Montana.

The 8 optometrist records with the nearest ZIP codes

  1. Dirk Beyer, O.D.Hamilton, MT 598401699722249
  2. Philip Goicoechea, ODHamilton, MT 598401558356824
  3. Christopher Qualls, ODHamilton, MT 598401053897397
  4. Robert Wilkins, O.D.Hamilton, MT 598401427462712
  5. Richard Zavoda, O.D.Hamilton, MT 598401144319955
  6. John Hutchison, ODCorvallis, MT 598281477592509
  7. Brett Mildenberger, O.D.Corvallis, MT 598281578755856
  8. William Shull, ODPlains, MT 598591871648899

Common questions

What is Mariah Mitman, OD's NPI number?

Mariah Mitman, OD's National Provider Identifier (NPI) is 1366938771, issued on Jul 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mariah Mitman, OD located?

The NPPES record lists a practice address at 820 W Main St, Hamilton, MT, 59840. Phone: (406) 363-2020. Providers update this record themselves, so call before visiting.

How can I verify Mariah Mitman, OD's license?

NPPES lists Montana license number 3373, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Mariah Mitman, OD prescribe under Medicare Part D?

In 2024, Mariah Mitman, OD had 102 Medicare Part D claims for 58 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is Mariah Mitman, OD's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.