NPPES file of Aug 9, 2026

Hayley Ann Miller, MD

Internal Medicine Physician · Missoula, MT

Hayley Ann Miller, MD is an internal medicine physician with a practice address in Missoula, Montana, and NPI 1366672578, issued on Jul 22, 2009. Check the license (Montana MED-PHYS-LIC-60571, 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
1366672578
Name
Hayley Ann Miller
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MED-PHYS-LIC-60571 MT
60571 MT
10402A WY
Self-reported in NPPES; status is on the state search
Practice location
2825 Stockyard RD Ste A18, Missoula, MT 59808
Phone
(406) 219-1233
Enumerated
Jul 22, 2009
Record last updated
May 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(219) 244-6019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Hayley Ann Miller 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-60571
    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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66% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,076 Medicare Part D claims for 66 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Hayley Miller1,076
  2. Specialty average3,176

Most prescribed

  1. Mounjaro88 claims
  2. Jardiance70 claims
  3. Omnipod 5 Dexg7g6 Pods (Gen 5)58 claims
  4. Losartan Potassium56 claims
  5. Metformin Hcl Er54 claims
  6. Levothyroxine Sodium46 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.

Industry payments in 2024: $166.83

4 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Hayley Miller$166.83
  2. Specialty average$1,303.06

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

47 internal medicine physician records list a practice address in Missoula

They are 47 of the 3,567 NPPES records with a practice address in Missoula, and 324 internal medicine physician records in Montana.

Other internal medicine physician records in Montana

  1. Ryan Adams, MDMissoula, MT1790952653
  2. Timothy Adams, MDBozeman, MT1891706537
  3. Dee Althouse, MDHavre, MT1578776118
  4. Faust Alvarez, MDHelena, MT1962516070
  5. Rebecca Anderson, MDMissoula, MT1437173440
  6. Yee Chuan Ang, M.D.Billings, MT1104138668
  7. Faranak Argani, MDBillings, MT1558475954
  8. Janet Armstrong, M.D.Glasgow, MT1215949557
  9. Susan Askin, MDFort Harrison, MT1588771604
  10. James Attarian, MDBozeman, MT1144209198

Common questions

What is Hayley Ann Miller, MD's NPI number?

Hayley Ann Miller, MD's National Provider Identifier (NPI) is 1366672578, issued on Jul 22, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Hayley Ann Miller, MD located?

The NPPES record lists a practice address at 2825 Stockyard RD Ste A18, Missoula, MT, 59808. Phone: (406) 219-1233. Providers update this record themselves, so call before visiting.

How can I verify Hayley Ann Miller, MD's license?

NPPES lists Montana license number MED-PHYS-LIC-60571, 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 Hayley Ann Miller, MD prescribe under Medicare Part D?

In 2024, Hayley Ann Miller, MD had 1,076 Medicare Part D claims for 66 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.