Doctor profile · Federal record

Dr. Michael Bergen, MD

Hematology & Oncology Physician · Montrose, CO

  • NPI 1851385330
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 S 5Th St
Montrose, CO 814015711
(970) 497-8001
fax (970) 240-7793

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
February 8, 2023
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Colorado #38501
Medicaid
CO #77178769

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851385330. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
835
Distinct HCPCS
5
Medicare allowed
$103,964
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 439 157 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 276 133 $92
99215 Established patient office or other outpatient visit, 40-54 minutes 78 38 $181
99205 New patient office or other outpatient visit, 60-74 minutes 26 26 $216
99443 Telephone medical discussion with physician, 21-30 minutes 16 13 $129

In context: peer comparison

Among 2 peers in this city , average services per provider: 125. This provider delivers 6.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
365
Patients
58
Total drug cost
$1,398,904
Drug Type Claims Patients Total cost
Letrozole Generic 57 17 $947
Xtandi (Enzalutamide) Brand 31 0 $374,803
Dexamethasone Generic 29 17 $537
Prednisone Generic 29 11 $325
Ninlaro (Ixazomib Citrate) Brand 27 0 $360,227
Acyclovir Generic 24 0 $376
Revlimid (Lenalidomide) Brand 23 0 $299,212
Oxycodone Hcl Generic 21 13 $277
Gabapentin Generic 20 0 $372
Bicalutamide Generic 19 0 $2,187

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Bergen's medical specialty?
Dr. Michael Bergen practices Hematology & Oncology Physician in Montrose, CO.
Where does Dr. Michael Bergen practice?
Dr. Michael Bergen practices at 600 S 5Th St, Montrose, CO 814015711. Office phone: 9704978001.
What is Dr. Michael Bergen's NPI?
Dr. Michael Bergen's National Provider Identifier (NPI) is 1851385330, issued by NPPES.
What procedures does Dr. Michael Bergen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.