Doctor profile · Federal record

Dr. Keith Bortnem, D.O.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Great Falls, MT

  • NPI 1255372959
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1401 25Th St S Ste 1
Great Falls, MT 594055183
(406) 455-3650
fax (406) 731-8318

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 5, 2024
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Montana #7067
Medicaid
MT #0094796

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255372959. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
599
Distinct HCPCS
9
Medicare allowed
$26,667
HCPCS Description Services Patients Avg allowed
20610 Aspiration and/or injection of fluid from large joint 147 89 $49
99203 New patient office or other outpatient visit, 30-44 minutes 110 110 $82
99213 Established patient office or other outpatient visit, 20-29 minutes 90 80 $65
99212 Established patient office or other outpatient visit, 10-19 minutes 62 53 $35
73560 X-ray of knee, 1-2 views 60 50 $8
73030 X-ray of shoulder, minimum of 2 views 56 49 $9
73502 X-ray of hip, 2-3 views 49 47 $11
99202 New patient office or other outpatient visit, 15-29 minutes 13 13 $48
72100 X-ray of lower and sacral spine, 2-3 views 12 12 $11

In context: peer comparison

Among 2 peers in this city , average services per provider: 66. This provider delivers 9.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
43
Patients
15
Total drug cost
$61
Drug Type Claims Patients Total cost
Amoxicillin Generic 26 15 $45
Clindamycin Hcl Generic 17 0 $16

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Keith Bortnem's medical specialty?
Dr. Keith Bortnem practices Orthopaedic Surgery Physician in Great Falls, MT.
Where does Dr. Keith Bortnem practice?
Dr. Keith Bortnem practices at 1401 25Th St S Ste 1, Great Falls, MT 594055183. Office phone: 4064553650.
What is Dr. Keith Bortnem's NPI?
Dr. Keith Bortnem's National Provider Identifier (NPI) is 1255372959, issued by NPPES.
Does Dr. Keith Bortnem accept Medicare assignment?
Yes. Dr. Keith Bortnem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keith Bortnem commonly perform?
Top Medicare-reported procedures in 2023: Aspiration and/or injection of fluid from large joint (HCPCS 20610); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.