NPPES file of Aug 9, 2026

Marc Whitacre, M.D.

Ophthalmology Physician · Havre, MT

Marc Whitacre, M.D. is an ophthalmology physician with a practice address in Havre, Montana, and NPI 1861424087, issued on Jul 7, 2006. Check the license (Montana 12669, 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
1861424087
Name
Marc Whitacre
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
12669 MT
Self-reported in NPPES; status is on the state search
Practice location
20 13TH St W, Havre, MT 59501
Phone
(406) 262-2020
Enumerated
Jul 7, 2006
Record last updated
Oct 9, 2025
Medicare enrollment
Enrolled (PECOS I20110601000914); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 1979
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.
Download card Updates feed

Also registered at 20 13TH St W

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

  1. Cameron Acor, DPMFoot & Ankle Surgery Podiatrist1467644609
  2. Thomas Booth, D.O.Family Medicine Physician1437121993
  3. Michelle Cameron-Donaldson, MDOrthopaedic Surgery Physician1952418451
  4. Steven Cole, D.O.Internal Medicine Physician1184644726
  5. Gary Daniels, PMHNPPsychiatric/Mental Health Nurse Practitioner1942333091
  6. Julie Dellerba, APRNFamily Nurse Practitioner1538530027

Verify Marc Whitacre 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 12669
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

75% fewer Medicare Part D claims than the average ophthalmology physician in 2024

378 Medicare Part D claims for 91 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Marc Whitacre378
  2. Specialty average1,518

Most prescribed

  1. Latanoprost129 claims
  2. Timolol Maleate63 claims
  3. Dorzolamide-Timolol46 claims
  4. Prednisolone Acetate39 claims
  5. Tobramycin-Dexamethasone18 claims
  6. Dorzolamide Hcl17 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.

2 hospital affiliations

  1. Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars
  2. Northern Montana HospitalHavre, MT · Critical Access Hospitals

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.

Marc Whitacre among 65 ophthalmology physician records in Montana

Marc Whitacre, M.D. is one of 65 ophthalmology physician records with a practice address in Montana. 72% 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 22% of them.

  • NPI issued2006 · 22% of these records are older, 35% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1979 · median 1998 among the 38 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Montana

There are 65 ophthalmology physician records in Montana.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Allen Beardsley, M.D.Havre, MT 595011366414823
  2. David Boes, MDGreat Falls, MT 594051487655379
  3. Thomas Matsko, MDGreat Falls, MT 594051093824179
  4. Mark Ozog, MDGreat Falls, MT 594051124106786
  5. Tyler Sorensen, M.D.Great Falls, MT 594051447550975
  6. Thomas Berbos, MDHelena, MT 596011710963517
  7. Janson Rigby, DOHelena, MT 596011538622626
  8. Robert Summerer, M.D.Helena, MT 596011760562441

Common questions

What is Marc Whitacre, M.D.'s NPI number?

Marc Whitacre, M.D.'s National Provider Identifier (NPI) is 1861424087, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc Whitacre, M.D. located?

The NPPES record lists a practice address at 20 13TH St W, Havre, MT, 59501. Phone: (406) 262-2020. Providers update this record themselves, so call before visiting.

How can I verify Marc Whitacre, M.D.'s license?

NPPES lists Montana license number 12669, 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 Marc Whitacre, M.D. prescribe under Medicare Part D?

In 2024, Marc Whitacre, M.D. had 378 Medicare Part D claims for 91 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.