Dr. Matthew L. Maunu, MD
- Medicare services, 2024
- 30
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 55
- Hospital affiliations
- 3
- Industry payments
- $18,072
- Practice address
- 600 Mt Hwy 91 S, Dillon, MT 59725
- Practice phone
- Call (406) 683-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maunu's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Matthew L. Maunu is a general surgeon in Dillon, Montana
Dr. Maunu practices at Barrett Hospital & HealthCare in Dillon, Montana, part of Barrett Hospital & HealthCare.
Dr. Maunu's NPI, 1881684546, was assigned on October 25, 2005. Dr. Maunu graduated from University of Minnesota Medical School in 1996. Dr. Maunu holds Minnesota license 44007.
- NPI
- 1881684546NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214079037
- NPI enumeration date
- October 25, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 683-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew L. Maunu practices at Barrett Hospital & HealthCare in Dillon, Montana
Dr. Maunu's primary practice is Barrett Hospital & HealthCare, at 600 Mt Hwy 91 S, Dillon, MT 59725 in Beaverhead County. The practice phone is (406) 683-3000.
- Barrett Hospital & HealthCare600 Mt Hwy 91 S, Dillon, MT 59725 · Beaverhead CountyPhone(406) 683-3000
Source: Dmand AI Affiliation Data
Dr. Matthew L. Maunu is affiliated with 3 sites of care and 2 medical groups
Dr. Maunu's primary practice is Barrett Hospital & HealthCare in Dillon, Montana, part of Barrett Hospital & HealthCare. Dr. Maunu is also affiliated with St. Peter's Health Regional Medical Center. The medical group on file is Barrett Hospital & HealthCare. Dmand AI also links Dr. Maunu to 1 more hospital 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. Matthew L. Maunu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maunu practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barrett Hospital & HealthCare | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Barrett Hospital & HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Matthew L. Maunu is one of 111 general surgeons in Montana
Surgery is Dr. Maunu's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Maunu is licensed in Minnesota.
Specialties and state licenses
- Surgery, MinnesotaPrimary
General surgeons near Dr. Maunu
Counts of general surgeons 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. Matthew L. Maunu billed Medicare for 30 services in 2024
CMS data shows 30 Medicare services from Dr. Maunu across 1 procedure code in 2024, for 20 Medicare patients. Medicare paid $1,149 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Maunu's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 612024: 3051%
Dr. Maunu compared with the Montana median for general surgeons, 2024
- Dr. Maunu
- Montana median
- Medicare services
- 30vs 13578% below
- Medicare patients
- 20vs 12384% below
- Part D claims
- 28vs 4233% below
Medians across 121 general surgeons in Montana with Dmand AI profiles that report each measure.
Dr. Maunu'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. Maunu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maunu and other general surgeons in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew L. Maunu treated 20 Medicare patients in 2024, average age 77
CMS counts 20 Medicare patients who saw Dr. Maunu in 2024. 75% of them have high blood pressure, and 60% have high cholesterol. Their average risk score is 1.93, 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. Maunu's median patient age at 73, with 50% women.
Chronic conditions among Dr. Maunu's Medicare patients, 2024
- High blood pressure75%
- High cholesterol60%
Share of Medicare patients with each condition. A patient can have several.
Dr. Maunu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew L. Maunu wrote 55 Medicare Part D claims in 2024
In 2024, Dr. Maunu wrote 55 Medicare Part D claims for 37 patients. 98% of them were for generic drugs. CMS names the drug for 28 of them, across 1 drug with 11 or more claims each, at $56 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Dr. Maunu's Part D claims by kind of drug, 2024
- Generic54 claims98%
- Brand-name and other1 claims2%
Dr. Maunu'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. Maunu's Part D claims, 2024
- Opioids56%31 of 55 claims
- Antibiotics22%12 of 55 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: 492024: 2843%
Drugs named by CMS: 1 in 2024, 3 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. Matthew L. Maunu takes part in Medicare
Dr. Maunu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Matthew L. Maunu received $18,072 in industry payments from 2016 to 2024
CMS Open Payments shows 72 general payments to Dr. Maunu from 5 drug and device companies from 2016 to 2024. Education make up the largest share, 44% of the total. Intuitive Surgical, Inc. paid the most, $10,913.
General payments to Dr. Maunu by program year, 2016 to 2024
General payments to Dr. Maunu by kind, 2016 to 2024
- Education$8,02344%
- Travel and lodging$7,88044%
- Food and beverage$2,16912%
Companies that paid Dr. Maunu the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew L. Maunu graduated from University of Minnesota Medical School
Dr. Maunu graduated from University of Minnesota Medical School in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew L. Maunu'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)Doctors and Clinicians Utilization Data (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. Matthew L. Maunu
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. Matthew L. Maunu's NPI number?
Dr. Matthew L. Maunu's NPI number is 1881684546. It was assigned on October 25, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew L. Maunu?
Dr. Matthew L. Maunu is a general surgeon in Dillon, Montana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Matthew L. Maunu practice?
Dr. Maunu practices at 600 Mt Hwy 91 S, Dillon, MT 59725. Dr. Maunu's primary practice is Barrett Hospital & HealthCare in Dillon, Montana, part of Barrett Hospital & HealthCare. Dmand AI also links Dr. Maunu to 1 hospital and 1 medical group.
What is Dr. Matthew L. Maunu's office phone number?
The practice phone on file for Dr. Maunu is (406) 683-3000.
What is Dr. Matthew L. Maunu's medical license number?
Dr. Maunu holds Minnesota license 44007.
Which hospitals is Dr. Matthew L. Maunu affiliated with?
Dr. Maunu practices at Barrett Hospital & HealthCare in Dillon, Montana. Dr. Maunu is also affiliated with St. Peter's Health Regional Medical Center. Dmand AI links Dr. Maunu to 1 more hospital.
What medical group is Dr. Matthew L. Maunu part of?
Dr. Maunu is linked to Barrett Hospital & HealthCare. Dmand AI links Dr. Maunu to 1 more medical group.
Does Dr. Matthew L. Maunu accept Medicare?
Yes. CMS data shows Dr. Maunu billed Medicare for 30 services in 2024, and Dr. Maunu accepts Medicare assignment.
How many Medicare patients does Dr. Matthew L. Maunu see?
CMS counts 20 Medicare patients who saw Dr. Maunu in 2024, with an average age of 77.
What services does Dr. Matthew L. Maunu bill to Medicare?
In 2024, Dr. Maunu's most billed Medicare services were hospital inpatient care (99231).
Show 4 more questionsShow fewer questions
Where did Dr. Matthew L. Maunu go to medical school?
Dr. Maunu graduated from University of Minnesota Medical School in 1996.
What drugs does Dr. Matthew L. Maunu prescribe most?
In 2024 Medicare Part D data, Dr. Maunu's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. Matthew L. Maunu received payments from drug or device companies?
CMS Open Payments shows $18,072 in general payments to Dr. Maunu from 5 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Matthew L. Maunu been practicing?
Dr. Maunu graduated from medical school in 1996, 30 years ago.
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