Dr. Thomas J. McMahon, MD
- Medicare services, 2024
- 37
- Medicare patients, 2024
- 18
- Part D claims, 2022
- 26
- Hospital affiliations
- 1
- Industry payments
- $19,581
- Practice address
- 2827 Fort Missoula Rd, Missoula, MT 59804
- Practice phone
- Call (406) 728-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McMahon'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. Thomas J. McMahon is a general surgeon in Missoula, Montana
Dr. McMahon practices at Community Medical Center in Missoula, Montana, part of Lifepoint Health.
Dr. McMahon's NPI, 1558399709, was assigned on June 28, 2006. Dr. McMahon holds Montana license 8098.
- NPI
- 1558399709NPI Registry (opens in a new tab)
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Practice phone
- (406) 728-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Thomas J. McMahon practices at Community Medical Center in Missoula, Montana
Dr. McMahon's primary practice is Community Medical Center, at 2827 Fort Missoula Rd, Missoula, MT 59804 in Missoula County. The practice phone is (406) 728-4100.
- Community Medical Center2827 Fort Missoula Rd, Missoula, MT 59804 · Missoula CountyPhone(406) 728-4100
Source: Dmand AI Affiliation Data
Dr. Thomas J. McMahon is affiliated with 3 sites of care and 1 medical group
Dr. McMahon's primary practice is Community Medical Center in Missoula, Montana, part of Lifepoint Health. The medical group on file is Community Hospital of Anaconda. Dmand AI also links Dr. McMahon to 1 more physician office and 1 group practice or clinic, 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. Thomas J. McMahon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McMahon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Community Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas J. McMahon is one of 111 general surgeons in Montana
Surgery is Dr. McMahon's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. McMahon is licensed in Montana.
Specialties and state licenses
- Surgery, MontanaPrimary
General surgeons near Dr. McMahon
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. Thomas J. McMahon billed Medicare for 37 services in 2024
CMS data shows 37 Medicare services from Dr. McMahon across 2 procedure codes in 2024, for 18 Medicare patients. Medicare paid $10,505 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McMahon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 272024: 3737%
Dr. McMahon compared with the Montana median for general surgeons, 2024
- Dr. McMahon
- Montana median
- Medicare services
- 37vs 13573% below
- Medicare patients
- 18vs 12385% below
- Part D claims
- 26vs 4238% below
Medians across 121 general surgeons in Montana with Dmand AI profiles that report each measure.
Dr. McMahon'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. McMahon and other general surgeons in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas J. McMahon treated 18 Medicare patients in 2024, average age 72
CMS counts 18 Medicare patients who saw Dr. McMahon in 2024. 75% of them have arthritis, and 72% have high cholesterol. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McMahon's median patient age at 47, with 43% women.
Chronic conditions among Dr. McMahon's Medicare patients, 2024
- Arthritis75%
- High cholesterol72%
- High blood pressure67%
Share of Medicare patients with each condition. A patient can have several.
Dr. McMahon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas J. McMahon wrote 26 Medicare Part D claims in 2022
In 2022, Dr. McMahon wrote 26 Medicare Part D claims. They cover 2 drugs, with $121 in total drug cost. In 2021, CMS named 17 claims across 1 drug.
Dr. McMahon's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 172022: 2653%
Drugs named by CMS: 2 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Thomas J. McMahon received $19,581 in industry payments from 2016 to 2024
CMS Open Payments shows 57 general payments to Dr. McMahon from 8 drug and device companies from 2016 to 2024. Education make up the largest share, 66% of the total. Intuitive Surgical, Inc. paid the most, $13,812.
General payments to Dr. McMahon by program year, 2016 to 2024
General payments to Dr. McMahon by kind, 2016 to 2024
- Education$13,00066%
- Travel and lodging$4,63124%
- Food and beverage$1,95110%
Companies that paid Dr. McMahon the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Thomas J. McMahon'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) |
| Industry payments | Open Payments (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. Thomas J. McMahon
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. Thomas J. McMahon's NPI number?
Dr. Thomas J. McMahon's NPI number is 1558399709. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas J. McMahon?
Dr. Thomas J. McMahon is a general surgeon in Missoula, Montana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thomas J. McMahon practice?
Dr. McMahon practices at 2827 Fort Missoula Rd, Missoula, MT 59804. Dr. McMahon's primary practice is Community Medical Center in Missoula, Montana, part of Lifepoint Health. Dmand AI also links Dr. McMahon to 1 physician office and 1 group practice or clinic.
What is Dr. Thomas J. McMahon's office phone number?
The practice phone on file for Dr. McMahon is (406) 728-4100.
What is Dr. Thomas J. McMahon's medical license number?
Dr. McMahon holds Montana license 8098.
Which hospitals is Dr. Thomas J. McMahon affiliated with?
Dr. McMahon practices at Community Medical Center in Missoula, Montana.
What medical group is Dr. Thomas J. McMahon part of?
Dr. McMahon is linked to Community Hospital of Anaconda.
Does Dr. Thomas J. McMahon accept Medicare?
Yes. CMS data shows Dr. McMahon billed Medicare for 37 services in 2024.
How many Medicare patients does Dr. Thomas J. McMahon see?
CMS counts 18 Medicare patients who saw Dr. McMahon in 2024, with an average age of 72.
What services does Dr. Thomas J. McMahon bill to Medicare?
In 2024, Dr. McMahon's most billed Medicare services were surgery: bones and joints (22853) and surgery: bones and joints (22558).
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What drugs does Dr. Thomas J. McMahon prescribe most?
In 2022 Medicare Part D data, Dr. McMahon's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Oxycodone HCl.
Has Dr. Thomas J. McMahon received payments from drug or device companies?
CMS Open Payments shows $19,581 in general payments to Dr. McMahon from 8 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Thomas J. McMahon been practicing?
Dr. McMahon graduated from medical school in 1989, 37 years ago.
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