Dr. Mary Catherine Hoye, MD
- Medicare services, 2024
- 103
- Medicare patients, 2024
- 58
- Part D claims, 2024
- 253
- Hospital affiliations
- 4
- Medical groups
- 2
- Practice address
- 2800 10th Ave N, Billings, MT 59101
- Practice phone
- Call (406) 657-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Mary Catherine Hoye is an internist in Billings, Montana
Dr. Hoye practices at Billings Clinic Hospital in Billings, Montana, part of Billings Clinic.
Dr. Hoye's NPI, 1821664897, was assigned on June 1, 2021. Dr. Hoye holds Oregon license MD218553.
- NPI
- 1821664897NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395145882
- NPI enumeration date
- June 1, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 657-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Catherine Hoye practices at Billings Clinic Hospital in Billings, Montana
Dr. Hoye's primary practice is Billings Clinic Hospital, at 2800 10th Ave N, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 657-4000.
- Billings Clinic Hospital2800 10th Ave N, Billings, MT 59101 · Yellowstone CountyPhone(406) 657-4000
Source: Dmand AI Affiliation Data
Dr. Mary Catherine Hoye is affiliated with 4 sites of care and 2 medical groups
Dr. Hoye's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dr. Hoye is also affiliated with Providence Willamette Falls Medical Center. The medical group on file is Billings Clinic. Dmand AI also links Dr. Hoye to 2 more hospitals and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary Catherine Hoye's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hoye practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Billings Clinic Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary Catherine Hoye is one of 311 internists in Montana
Internal medicine is Dr. Hoye's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hoye is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Hoye
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. Mary Catherine Hoye billed Medicare for 103 services in 2024
CMS data shows 103 Medicare services from Dr. Hoye across 2 procedure codes in 2024, for 58 Medicare patients. Medicare paid $6,863 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hoye compared with the Montana median for internists, 2024
- Dr. Hoye
- Montana median
- Medicare services
- 103vs 47678% below
- Medicare patients
- 58vs 25377% below
- Part D claims
- 79vs 14345% below
Medians across 340 internists in Montana with Dmand AI profiles that report each measure.
Dr. Hoye'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.
Need commercial claims for Dr. Hoye?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hoye and other internists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Catherine Hoye treated 58 Medicare patients in 2024, average age 78
CMS counts 58 Medicare patients who saw Dr. Hoye in 2024. The largest group is 85 and over, with 22 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.00, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hoye's median patient age at 77, with 60% women.
Dr. Hoye's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hoye's Medicare patients by sex, 2024
- Women3255%
- Men2645%
Chronic conditions among Dr. Hoye's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease53%
- Arthritis50%
- Mood disorders50%
- Depression45%
- Atrial fibrillation40%
- Diabetes40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hoye's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Catherine Hoye wrote 253 Medicare Part D claims in 2024
In 2024, Dr. Hoye wrote 253 Medicare Part D claims for 78 patients. 90% of them were for generic drugs. CMS names the drug for 79 of them, across 5 drugs with 11 or more claims each, at $796 in total drug cost. In 2023, CMS named 91 claims across 6 drugs.
Dr. Hoye's Part D claims by kind of drug, 2024
- Generic228 claims90%
- Brand-name25 claims10%
Dr. Hoye'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.
Drug classes CMS tracks in Dr. Hoye's Part D claims, 2024
- Opioids7%18 of 253 claims
- Antibiotics6%15 of 253 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 912024: 7913%
Drugs named by CMS: 5 in 2024, 6 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
How Dr. Mary Catherine Hoye takes part in Medicare
Dr. Hoye accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Mary Catherine Hoye'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. Mary Catherine Hoye
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. Mary Catherine Hoye's NPI number?
Dr. Mary Catherine Hoye's NPI number is 1821664897. It was assigned on June 1, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Catherine Hoye?
Dr. Mary Catherine Hoye is an internist in Billings, Montana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mary Catherine Hoye practice?
Dr. Hoye practices at 2800 10th Ave N, Billings, MT 59101. Dr. Hoye's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. Dmand AI also links Dr. Hoye to 2 hospitals and 1 medical group.
What is Dr. Mary Catherine Hoye's office phone number?
The practice phone on file for Dr. Hoye is (406) 657-4000.
What is Dr. Mary Catherine Hoye's medical license number?
Dr. Hoye holds Oregon license MD218553.
Which hospitals is Dr. Mary Catherine Hoye affiliated with?
Dr. Hoye practices at Billings Clinic Hospital in Billings, Montana. Dr. Hoye is also affiliated with Providence Willamette Falls Medical Center. Dmand AI links Dr. Hoye to 2 more hospitals.
What medical group is Dr. Mary Catherine Hoye part of?
Dr. Hoye is linked to Billings Clinic. Dmand AI links Dr. Hoye to 1 more medical group.
Does Dr. Mary Catherine Hoye accept Medicare?
Yes. CMS data shows Dr. Hoye billed Medicare for 103 services in 2024, and Dr. Hoye accepts Medicare assignment.
How many Medicare patients does Dr. Mary Catherine Hoye see?
CMS counts 58 Medicare patients who saw Dr. Hoye in 2024, with an average age of 78.
What services does Dr. Mary Catherine Hoye bill to Medicare?
In 2024, Dr. Hoye's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99239).
What drugs does Dr. Mary Catherine Hoye prescribe most?
In 2024 Medicare Part D data, Dr. Hoye's most prescribed drugs by claims were Losartan Potassium, Atorvastatin Calcium and Amlodipine Besylate.
How long has Dr. Mary Catherine Hoye been practicing?
Dr. Hoye graduated from medical school in 2021, 5 years ago.
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