CLINTON MCMAHILL (M.D.) – Internal Medicine Physician, NPI 1245556190

CLINTON MCMAHILL (M.D.) is a healthcare provider. based in Lander, Wyoming. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. TL2257 (WY). The NPI Number for CLINTON MCMAHILL (M.D.) is 1245556190

Main info

Male
16 Years Of Experience
Accepts Medicare Assignment
Name
CLINTON MCMAHILL (M.D.)
NPI
1245556190
Phone
(307) 332-2941
Address
745 BUENA VISTA DR
Enumeration Date
18 April 2010
Last Update Date
25 July 2013

Doctor Profile

Medical School Name
UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
2010 (16 years ago)
PAC ID
7810121019
Group Practice PAC ID
1355323940
Professional Enrollment ID
I20131001000210
Address ID
WY825203431La745XXDRXX400
Telehealth
Yes
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience51
Completeness75
Years active:16State licenses:1Digital endpointsOther names

169 INTERNAL MEDICINE in WY

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Provider Addresses for CLINTON MCMAHILL (M.D.)

  • Lander Medical Clinic, 745, Buena Vista Drive, Lander, Fremont County, Wyoming, 82520, United States

    LANDER, WY 825203431

    Phone: (307) 332-2941

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $16.

Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.

Last reported payment date: 2024-11-20 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($16).

Total Amount

$16

General + Research + Ownership

Payments

1

Total payment records

General Amount

$16

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-20

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2013-10-01

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20131001000210IInternal MedicineWYTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month804136$0
36415Insertion of needle into vein for collection of blood sample721336$0
99214Established patient office or other outpatient visit, 30-39 minutes560279$0
99213Established patient office or other outpatient visit, 20-29 minutes328220$0
80053Blood test, comprehensive group of blood chemicals285232$0
View full utilization report →

Insurance plans in this area (ZIP 82520)

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Provider's Procedures

CLINTON MCMAHILL (M.D.) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEWY83036Hemoglobin A1C level10980
INTERNAL MEDICINEWY85610Blood test, clotting time24839

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1355323940View full group profile
NameSpecialtyState
Nurse PractitionerWY
Family PracticeWY
Physician AssistantID
Nurse PractitionerWY
-WY
Family PracticeWY
Clinical PsychologistWY
Family Practice, Pediatric MedicineWY
Physician AssistantME
-WY

Reviews

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Frequently asked questions

What is the 10-digit NPI for CLINTON MCMAHILL (M.D.)?
CLINTON MCMAHILL (M.D.) — NPI 1245556190 — is the standard way to identify this listing.
Does CMS list CLINTON MCMAHILL (M.D.) as active?
Yes — CLINTON MCMAHILL (M.D.) is active in the NPI listing used on this page.
What healthcare role does CLINTON MCMAHILL (M.D.) hold?
Scheduling teams often label CLINTON MCMAHILL (M.D.) under Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What area does CLINTON MCMAHILL (M.D.) serve?
CLINTON MCMAHILL (M.D.)'s listing highlights Lander, Wyoming; more addresses can appear in NPPES.
Why does CLINTON MCMAHILL (M.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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