Doctor profile · Federal record

Dr. Gary Buffington, MD

Internal Medicine Physician · Nephrology Physician · Great Falls, MT

  • NPI 1922009802
  • MIPS 81.4 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1101 26Th St S
Great Falls, MT 594055161
(406) 455-4690
fax (406) 455-4752
Mailing address
5410 Maryland Way, Suite 300
Brentwood, TN 370275064

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
February 24, 2010
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Montana #4238
Medicaid
MT #0044187

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922009802. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
56
Distinct HCPCS
1
Medicare allowed
$2,741
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 56 21 $49

In context: peer comparison

Among 5 peers in Great Falls Internal Medicine Physician, average services per provider: 173. This provider delivers 0.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Buffington's medical specialty?
Dr. Gary Buffington practices Internal Medicine Physician in Great Falls, MT.
Where does Dr. Gary Buffington practice?
Dr. Gary Buffington practices at 1101 26Th St S, Great Falls, MT 594055161. Office phone: 4064554690.
What is Dr. Gary Buffington's NPI?
Dr. Gary Buffington's National Provider Identifier (NPI) is 1922009802, issued by NPPES.
What procedures does Dr. Gary Buffington commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.