Dr. Hayley Ann Miller, MD
- Medicare services, 2024
- 174
- Medicare patients, 2024
- 46
- Part D claims, 2024
- 1,076
- Hospital affiliations
- 1
- Industry payments
- $136,865
- Practice address
- 1200 Westwood Dr, Hamilton, MT 59840
- Practice phone
- Call (406) 363-2211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Miller's professional email, personal email and mobile number
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Dr. Hayley Ann Miller is an internist in Hamilton, Montana
Dr. Miller practices at Bitterroot Health - Daly Hospital in Hamilton, Montana, part of Bitterroot Health.
Dr. Miller's NPI, 1366672578, was assigned on July 22, 2009. Dr. Miller graduated from University of Washington School of Medicine in 2008. Dr. Miller holds Montana license MED-PHYS-LIC-60571.
- NPI
- 1366672578NPI Registry (opens in a new tab)
- NPI enumeration date
- July 22, 2009
- NPI status
- Active
- Practice phone
- (406) 363-2211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Hayley Ann Miller practices at Bitterroot Health - Daly Hospital in Hamilton, Montana
Dr. Miller's primary practice is Bitterroot Health - Daly Hospital, at 1200 Westwood Dr, Hamilton, MT 59840 in Ravalli County. The practice phone is (406) 363-2211.
- Bitterroot Health - Daly Hospital1200 Westwood Dr, Hamilton, MT 59840 · Ravalli CountyPhone(406) 363-2211
Source: Dmand AI Affiliation Data
Dr. Hayley Ann Miller is affiliated with 2 sites of care
Dr. Miller's primary practice is Bitterroot Health - Daly Hospital in Hamilton, Montana, part of Bitterroot Health. Dmand AI also links Dr. Miller to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hayley Ann Miller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Miller practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bitterroot Health - Daly Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hayley Ann Miller is one of 311 internists in Montana
Internal medicine is Dr. Miller's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Miller's licenses on file in 2 states: Montana and Wyoming.
Specialties and state licenses
- Internal medicine, MontanaPrimary
- Wyoming license
Internists near Dr. Miller
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Hayley Ann Miller billed Medicare for 174 services in 2024
CMS data shows 174 Medicare services from Dr. Miller across 2 procedure codes in 2024, for 46 Medicare patients. Medicare paid $14,648 for them. Every service was in an office.
Dr. Miller's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1192024: 9520%
- Tests and treatments
- 2023: 1052024: 7925%
- Other services
- 2023: 122024: 0100%
Dr. Miller compared with the Montana median for internists, 2024
- Dr. Miller
- Montana median
- Medicare services
- 174vs 47663% below
- Medicare patients
- 46vs 25382% below
- Part D claims
- 832vs 1435.8 times
Medians across 340 internists in Montana with Dmand AI profiles that report each measure.
Dr. Miller's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Miller and other internists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hayley Ann Miller treated 46 Medicare patients in 2024, average age 72
CMS counts 46 Medicare patients who saw Dr. Miller in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Miller's median patient age at 57, with 67% women.
Dr. Miller's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Miller's Medicare patients by sex, 2024
- Women2043%
- Men2657%
Chronic conditions among Dr. Miller's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease43%
- Depression28%
- Ischemic heart disease28%
- Mood disorders28%
- Arthritis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Miller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hayley Ann Miller wrote 1,076 Medicare Part D claims in 2024
In 2024, Dr. Miller wrote 1,076 Medicare Part D claims for 66 patients. 61% of them were for generic drugs. CMS names the drug for 832 of them, across 30 drugs with 11 or more claims each, at $351,941 in total drug cost. In 2023, CMS named 924 claims across 33 drugs.
Dr. Miller's Part D claims by kind of drug, 2024
- Generic654 claims61%
- Brand-name347 claims32%
- Other75 claims7%
Dr. Miller's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9242024: 83210%
Drugs named by CMS: 30 in 2024, 33 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Hayley Ann Miller received $136,865 in industry payments from 2016 to 2025
CMS Open Payments shows 300 general payments to Dr. Miller from 17 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 82% of the total. Novo Nordisk Inc paid the most, $130,962.
General payments to Dr. Miller by program year, 2016 to 2025
General payments to Dr. Miller by kind, 2016 to 2025
- Speaker and faculty fees$112,85182%
- Travel and lodging$12,8199%
- Food and beverage$5,9694%
- Consulting fees$4,9014%
- Education$3260%
Companies that paid Dr. Miller the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hayley Ann Miller graduated from University of Washington School of Medicine
Dr. Miller graduated from University of Washington School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Hayley Ann Miller's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Hayley Ann Miller
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Hayley Ann Miller's NPI number?
Dr. Hayley Ann Miller's NPI number is 1366672578. It was assigned on July 22, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Hayley Ann Miller?
Dr. Hayley Ann Miller is an internist in Hamilton, Montana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Hayley Ann Miller practice?
Dr. Miller practices at 1200 Westwood Dr, Hamilton, MT 59840. Dr. Miller's primary practice is Bitterroot Health - Daly Hospital in Hamilton, Montana, part of Bitterroot Health. Dmand AI also links Dr. Miller to 1 physician office.
What is Dr. Hayley Ann Miller's office phone number?
The practice phone on file for Dr. Miller is (406) 363-2211.
What is Dr. Hayley Ann Miller's medical license number?
Dr. Miller holds Montana license MED-PHYS-LIC-60571, one of the licenses on file in 2 states.
Which states has Dr. Hayley Ann Miller been licensed in?
Dmand AI has state licenses on file for Dr. Miller in Montana and Wyoming.
Which hospitals is Dr. Hayley Ann Miller affiliated with?
Dr. Miller practices at Bitterroot Health - Daly Hospital in Hamilton, Montana.
Does Dr. Hayley Ann Miller accept Medicare?
Yes. CMS data shows Dr. Miller billed Medicare for 174 services in 2024.
How many Medicare patients does Dr. Hayley Ann Miller see?
CMS counts 46 Medicare patients who saw Dr. Miller in 2024, with an average age of 72.
What services does Dr. Hayley Ann Miller bill to Medicare?
In 2024, Dr. Miller's most billed Medicare services were office visit, established patient (99215) and medical service (95251).
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Where did Dr. Hayley Ann Miller go to medical school?
Dr. Miller graduated from University of Washington School of Medicine in 2008.
What drugs does Dr. Hayley Ann Miller prescribe most?
In 2024 Medicare Part D data, Dr. Miller's most prescribed drugs by claims were Mounjaro, Jardiance and Omnipod 5 Dexg7g6 Pods (Gen 5).
Has Dr. Hayley Ann Miller received payments from drug or device companies?
CMS Open Payments shows $136,865 in general payments to Dr. Miller from 17 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Hayley Ann Miller been practicing?
Dr. Miller graduated from medical school in 2008, 18 years ago.
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