Dr. Clinton McMahill, MD
- Medicare services, 2024
- 7,176
- Medicare patients, 2024
- 767
- Part D claims, 2024
- 8,107
- Hospital affiliations
- 1
- Industry payments
- $128
- Practice address
- 219 S 2 W, Riverton, WY 82501
- Practice phone
- Call (307) 332-2941
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lander Medical Clinic
Riverton, Wyoming
Find Dr. McMahill'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. Clinton McMahill is an internist in Riverton, Wyoming
Dr. McMahill practices at Lander Medical Clinic in Riverton, Wyoming.
Dr. McMahill's NPI, 1245556190, was assigned on April 18, 2010. Dr. McMahill graduated from University of Washington School of Medicine in 2010. Dr. McMahill holds Wyoming license TL2257.
- NPI
- 1245556190NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810121019
- NPI enumeration date
- April 18, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (307) 332-2941
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clinton McMahill practices at Lander Medical Clinic in Riverton, Wyoming
Dr. McMahill's primary practice is Lander Medical Clinic, at 219 S 2 W, Riverton, WY 82501 in Fremont County. The practice phone is (307) 332-2941.
- Lander Medical Clinic219 S 2 W, Riverton, WY 82501 · Fremont CountyPhone(307) 332-2941
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Clinton McMahill is affiliated with 7 sites of care and 3 medical groups
Dr. McMahill's primary practice is Lander Medical Clinic in Riverton, Wyoming. Dr. McMahill is also affiliated with SageWest Riverton. The medical group on file is SageWest Medical Group. Dmand AI also links Dr. McMahill to 2 more group practices and clinics, 2 skilled nursing facilities, 2 medical groups and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Clinton McMahill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McMahill practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lander Medical Clinic | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Clinton McMahill is one of 126 internists in Wyoming
Internal medicine is Dr. McMahill's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. McMahill is licensed in Wyoming.
Specialties and state licenses
- Internal medicine, WyomingPrimary
Internists near Dr. McMahill
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. Clinton McMahill billed Medicare for 7,176 services in 2024
CMS data shows 7,176 Medicare services from Dr. McMahill across 55 procedure codes in 2024, for 767 Medicare patients. Medicare paid $272,072 for them. Every service was in an office.
Dr. McMahill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,4292024: 2,3772%
- Lab and pathology
- 2023: 1,3902024: 1,3612%
- Drugs given in the office
- 2023: 02024: 1,082
- Other services
- 2023: 3482024: 779124%
- Surgery
- 2023: 7362024: 7593%
- Tests and treatments
- 2023: 4052024: 64359%
- Imaging
- 2023: 1362024: 17529%
Dr. McMahill compared with the Wyoming median for internists, 2024
- Dr. McMahill
- Wyoming median
- Medicare services
- 7,176vs 54313.2 times
- Medicare patients
- 767vs 2513.1 times
- Part D claims
- 7,365vs 25628.8 times
Medians across 132 internists in Wyoming with Dmand AI profiles that report each measure.
Dr. McMahill'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. McMahill and other internists in Wyoming.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Clinton McMahill treated 767 Medicare patients in 2024, average age 75
CMS counts 767 Medicare patients who saw Dr. McMahill in 2024. The largest group is 65 to 74, with 332 patients. 66% of them have high blood pressure, and 49% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McMahill's median patient age at 73, with 51% women.
Dr. McMahill's Medicare patients by age, 2024
Dr. McMahill's Medicare patients by sex, 2024
- Women39852%
- Men36948%
Chronic conditions among Dr. McMahill's Medicare patients, 2024
- High blood pressure66%
- High cholesterol49%
- Arthritis38%
- Diabetes23%
- Atrial fibrillation19%
- Depression19%
- Ischemic heart disease19%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. McMahill'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
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Clinton McMahill wrote 8,107 Medicare Part D claims in 2024
In 2024, Dr. McMahill wrote 8,107 Medicare Part D claims for 455 patients. 81% of them were for generic drugs. CMS names the drug for 7,365 of them, across 130 drugs with 11 or more claims each, at $787,847 in total drug cost. In 2023, CMS named 6,903 claims across 121 drugs.
Dr. McMahill's Part D claims by kind of drug, 2024
- Generic6,584 claims81%
- Brand-name1,416 claims17%
- Other107 claims1%
Dr. McMahill'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. McMahill's Part D claims, 2024
- Opioids2%139 of 8,107 claims
- Antibiotics1%105 of 8,107 claims
- Antipsychotics, patients 65 and over1%47 of 8,107 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: 6,9032024: 7,3657%
Drugs named by CMS: 130 in 2024, 121 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
Dr. Clinton McMahill ranks in the 63rd percentile for removal of skin lesions in Medicare
Dr. McMahill accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. McMahill as offering telehealth. CMS counts 17 procedures of removal of skin lesions by Dr. McMahill, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. McMahill ranks in Medicare procedure volume
- Removal of skin lesions
- 63rd percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 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)
Skin biopsy: 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. Clinton McMahill received $128 in industry payments from 2016 to 2024
CMS Open Payments shows 7 general payments to Dr. McMahill from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $56.
General payments to Dr. McMahill by program year, 2016 to 2024
Companies that paid Dr. McMahill 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. Clinton McMahill graduated from University of Washington School of Medicine
Dr. McMahill graduated from University of Washington School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Clinton McMahill'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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. Clinton McMahill
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. Clinton McMahill's NPI number?
Dr. Clinton McMahill's NPI number is 1245556190. It was assigned on April 18, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Clinton McMahill?
Dr. Clinton McMahill is an internist in Riverton, Wyoming. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Clinton McMahill practice?
Dr. McMahill practices at 219 S 2 W, Riverton, WY 82501. Dr. McMahill's primary practice is Lander Medical Clinic in Riverton, Wyoming. Dmand AI also links Dr. McMahill to 2 group practices and clinics, 2 skilled nursing facilities, 2 medical groups and 1 home health agency.
What is Dr. Clinton McMahill's office phone number?
The practice phone on file for Dr. McMahill is (307) 332-2941.
What is Dr. Clinton McMahill's medical license number?
Dr. McMahill holds Wyoming license TL2257.
Which hospitals is Dr. Clinton McMahill affiliated with?
Dr. McMahill is affiliated with SageWest Riverton.
What medical group is Dr. Clinton McMahill part of?
Dr. McMahill is linked to SageWest Medical Group. Dmand AI links Dr. McMahill to 2 more medical groups.
Does Dr. Clinton McMahill accept Medicare?
Yes. CMS data shows Dr. McMahill billed Medicare for 7,176 services in 2024, and Dr. McMahill accepts Medicare assignment.
Does Dr. Clinton McMahill offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. McMahill as offering telehealth services.
How many Medicare patients does Dr. Clinton McMahill see?
CMS counts 767 Medicare patients who saw Dr. McMahill in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Clinton McMahill bill to Medicare?
In 2024, Dr. McMahill's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and surgery: heart and blood vessels (36415).
Where did Dr. Clinton McMahill go to medical school?
Dr. McMahill graduated from University of Washington School of Medicine in 2010.
What drugs does Dr. Clinton McMahill prescribe most?
In 2024 Medicare Part D data, Dr. McMahill's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Clinton McMahill received payments from drug or device companies?
CMS Open Payments shows $128 in general payments to Dr. McMahill from 5 companies from 2016 to 2024. The largest total came from Medtronic, Inc.
How long has Dr. Clinton McMahill been practicing?
Dr. McMahill graduated from medical school in 2010, 16 years ago.
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