Doctor profile · Federal record

Dr. Derek Johanson, MD

Hospitalist Physician (CMS: Hospitalist) · Great Falls, MT

  • NPI 1598329237
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1101 26Th St S
Great Falls, MT 594055161
(406) 731-8888
fax (406) 731-8318
Mailing address
Po Box 6010, Bmg Admin
Great Falls, MT 594066010

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
April 4, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Montana #128563

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598329237. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
437
Distinct HCPCS
4
Medicare allowed
$35,805
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 268 104 $78
99239 Hospital discharge day management, more than 30 minutes 77 76 $113
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 67 26 $49
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 25 18 $117

In context: peer comparison

Among 12 peers in Great Falls Hospitalist Physician, average services per provider: 139. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 1 $19.00

By nature of payment

Food and Beverage
$19

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek Johanson's medical specialty?
Dr. Derek Johanson practices Hospitalist Physician in Great Falls, MT.
Where does Dr. Derek Johanson practice?
Dr. Derek Johanson practices at 1101 26Th St S, Great Falls, MT 594055161. Office phone: 4067318888.
What is Dr. Derek Johanson's NPI?
Dr. Derek Johanson's National Provider Identifier (NPI) is 1598329237, issued by NPPES.
Does Dr. Derek Johanson accept Medicare assignment?
Yes. Dr. Derek Johanson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Johanson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.