Sean Dale McNall
Internal Medicine Physician · Billings, MT
Sean Dale McNall is an internal medicine physician with a practice address in Billings, Montana, and NPI 1972191997, issued on Jan 5, 2021. Check the license (Montana MED-PHYS-LIC-169874, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Sean Dale McNall
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MED-PHYS-LIC-169874 MT
Self-reported in NPPES; status is on the state search - Practice location
- 801 N 29TH St, Billings, MT 59101
- Phone
- (406) 690-2984
- Enumerated
- Jan 5, 2021
- Record last updated
- Jun 4, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 324 in Montana → Look up another NPI →
Also registered at 801 N 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sean Dale McNall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-169874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average internal medicine physician in 2024
840 Medicare Part D claims for 131 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Atorvastatin Calcium50 claims
- Losartan Potassium38 claims
- Rosuvastatin Calcium30 claims
- Lisinopril28 claims
- Pantoprazole Sodium26 claims
- Trazodone Hcl26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Sean Dale McNall among 324 internal medicine physician records in Montana
Sean Dale McNall is one of 324 internal medicine physician records with a practice address in Montana. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.
- NPI issued2021 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 internal medicine physician records list a practice address in Billings
They are 80 of the 4,035 NPPES records with a practice address in Billings, and 324 internal medicine physician records in Montana.
All 324 in Montana → Every provider in Billings → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gay Canaris, MDBillings, MT 591011851358147
- Baskar Duval, MDBillings, MT 591011346289758
- Amy Fishburn, MDBillings, MT 591011578500716
- Bradley Fuller, MDBillings, MT 591011083652564
- Michael Hagan, MDBillings, MT 591011710924642
- Matthew Hermann, MDBillings, MT 591011821039355
- Richard Leblond, MDBillings, MT 591011184612715
- Mark Lee, M.D.Billings, MT 591011902884703
Common questions
What is Sean Dale McNall's NPI number?
Sean Dale McNall's National Provider Identifier (NPI) is 1972191997, issued on Jan 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sean Dale McNall located?
The NPPES record lists a practice address at 801 N 29TH St, Billings, MT, 59101. Phone: (406) 690-2984. Providers update this record themselves, so call before visiting.
How can I verify Sean Dale McNall's license?
NPPES lists Montana license number MED-PHYS-LIC-169874, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sean Dale McNall prescribe under Medicare Part D?
In 2024, Sean Dale McNall had 840 Medicare Part D claims for 131 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.