Doctor profile · Federal record

Dr. NIELS HARDEN, M.D.

Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · Emergency Medicine Physician · BOZEMAN, MT

  • NPI 1083819445
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
915 HIGHLAND BLVD
BOZEMAN, MT 597156902
(406) 414-5000
Additional location
200 1st St SW
Rochester, MN 559050001
(507) 284-2511

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
April 9, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Montana #83193 · Minnesota #50844

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083819445. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
277
Distinct HCPCS
3
Medicare allowed
$44,550
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 120 118 $174
99284 Emergency department visit with moderate level of medical decision making 102 100 $119
99291 Critical care, first 30-74 minutes 55 53 $210

In context: peer comparison

Among 13 peers in this city , average services per provider: 63. This provider delivers 4.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
17
Total drug cost
$85
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 17 17 $85

Hospital affiliations

CMS Hospital Compare