Gary A. Buffington, MD
Internal Medicine Physician · Great Falls, MT
Gary A. Buffington, MD is an internal medicine physician with a practice address in Great Falls, Montana, and NPI 1922009802, issued on Aug 2, 2005. Check the license (Montana 4238, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gary A. Buffington
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4238 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1101 26TH St S, Great Falls, MT 59405
- Phone
- (406) 455-4690
- Enumerated
- Aug 2, 2005
- Record last updated
- Feb 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (406) 455-4752
- Medicaid ID
- 0044187 MT
- Entity
- Type 1 · individual
Also registered at 1101 26TH St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Khansa AliStudent in an Organized Health Care Education/Training Program1497632277
- Jeffrey Allen, CRNACertified Registered Nurse Anesthetist1245256916
- Batool Alnahar, MBBSStudent in an Organized Health Care Education/Training Program1447137310
Verify Gary A. Buffington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 4238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
21 internal medicine physician records list a practice address in Great Falls
They are 21 of the 1,798 NPPES records with a practice address in Great Falls, and 324 internal medicine physician records in Montana.
All 21 in Great Falls → All 324 in Montana → Every provider in Great Falls →
Other internal medicine physician records in Montana
- Ryan Adams, MDMissoula, MT1790952653
- Timothy Adams, MDBozeman, MT1891706537
- Dee Althouse, MDHavre, MT1578776118
- Faust Alvarez, MDHelena, MT1962516070
- Rebecca Anderson, MDMissoula, MT1437173440
- Yee Chuan Ang, M.D.Billings, MT1104138668
- Faranak Argani, MDBillings, MT1558475954
- Janet Armstrong, M.D.Glasgow, MT1215949557
- Susan Askin, MDFort Harrison, MT1588771604
- James Attarian, MDBozeman, MT1144209198
Common questions
What is Gary A. Buffington, MD's NPI number?
Gary A. Buffington, MD's National Provider Identifier (NPI) is 1922009802, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary A. Buffington, MD located?
The NPPES record lists a practice address at 1101 26TH St S, Great Falls, MT, 59405. Phone: (406) 455-4690. Providers update this record themselves, so call before visiting.
How can I verify Gary A. Buffington, MD's license?
NPPES lists Montana license number 4238, 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.
What is Gary A. Buffington, MD's MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.