NPPES file of Aug 9, 2026

Whitney Kay Haseman, M.D.

Geriatric Medicine (Internal Medicine) Physician · Missoula, MT

Whitney Kay Haseman, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Missoula, Montana, and NPI 1255726469, issued on Apr 3, 2015. Check the license (Montana MED-PHYS-LIC-89204, 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
1255726469
Name
Whitney Kay Haseman
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License numbers
MED-PHYS-LIC-89204 MT
10094279-1205 UT
10094279-8905 UT
Self-reported in NPPES; status is on the state search
Practice location
2875 Tina Ave Ste 102, Missoula, MT 59808
Phone
(406) 272-3746
Enumerated
Apr 3, 2015
Record last updated
Jan 17, 2023
Fax
(406) 303-3308
Medicare enrollment
Enrolled (PECOS I20201117001997); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2015
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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Verify Whitney Kay Haseman 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 MED-PHYS-LIC-89204    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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89% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

8,015 Medicare Part D claims for 298 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 250 claims were for opioids.

  1. Whitney Haseman8,015
  2. Specialty average4,246

Most prescribed

  1. Citalopram Hbr508 claims
  2. Levothyroxine Sodium500 claims
  3. Quetiapine Fumarate321 claims
  4. Atorvastatin Calcium313 claims
  5. Omeprazole234 claims
  6. Donepezil Hcl226 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.

Bills Medicare through one group practice

  1. Montana Stillwater Health PLLCMissoula, MT

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

Geriatric Medicine (Internal Medicine) Physician providers in Montana

There are 9 geriatric medicine (internal medicine) physician records in Montana.

All 9 in Montana → Every provider in Missoula →

Other geriatric medicine (internal medicine) physician records in Montana

  1. Thomas Addison, MDGreat Falls, MT1871594754
  2. Kathryn Borgenicht, MDBozeman, MT1073535019
  3. Patricia Coon, MDBillings, MT1467561431
  4. Paul Dolan, M.D.Great Falls, MT1558484402
  5. Marilyn Grams, MDBillings, MT1669492104
  6. Ronald Loge, M.D.Dillon, MT1790789279
  7. John Molloy, MDGreat Falls, MT1609877471
  8. Glenda Wickstrom, MDBillings, MT1679510101

Common questions

What is Whitney Kay Haseman, M.D.'s NPI number?

Whitney Kay Haseman, M.D.'s National Provider Identifier (NPI) is 1255726469, issued on Apr 3, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Whitney Kay Haseman, M.D. located?

The NPPES record lists a practice address at 2875 Tina Ave Ste 102, Missoula, MT, 59808. Phone: (406) 272-3746. Providers update this record themselves, so call before visiting.

How can I verify Whitney Kay Haseman, M.D.'s license?

NPPES lists Montana license number MED-PHYS-LIC-89204, 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 Whitney Kay Haseman, M.D. prescribe under Medicare Part D?

In 2024, Whitney Kay Haseman, M.D. had 8,015 Medicare Part D claims for 298 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.