Doctor profile · Federal record

Dr. Andrew Herman, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Bozeman, MT

  • NPI 1003260217
  • Accepts Medicare
  • MIPS 81.3 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
875 S Cottonwood RD Ste 200
Bozeman, MT 597184222
(406) 414-5336
Additional location
6400 Fannin St Ste 1400
Houston, TX 770301512
(713) 704-3450
Additional location
6431 Fannin St, Msb 1.150
Houston, TX 770301501
(713) 500-6500
Mailing address
915 Highland Blvd
Bozeman, MT 597156902

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
April 9, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Montana #117383 · Texas #R4849

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003260217. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
556
Distinct HCPCS
10
Medicare allowed
$81,217
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 170 169 $247
45380 Biopsy of large bowel using a flexible endoscope 124 124 $91
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 82 80 $96
99213 Established patient office or other outpatient visit, 20-29 minutes 46 31 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 39 25 $126
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $111
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 21 21 $180
45381 Injection beneath lining of large bowel using a flexible endoscope 19 18 $15
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 11 11 $114
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 11 11 $126

In context: peer comparison

Among 4 peers in this city , average services per provider: 44. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,426
Transactions
43
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 19 $804.79
Boston Scientific Corporation 3 $200.65
Takeda Pharmaceuticals U.S.A., Inc. 5 $90.42
Regeneron Healthcare Solutions, Inc. 3 $72.16
Ipsen Biopharmaceuticals, Inc 3 $60.20
Janssen Biotech, Inc. 3 $48.93
Intercept Pharmaceuticals, Inc. 2 $44.57
GENZYME CORPORATION 2 $43.45
PFIZER INC. 2 $43.25
Celgene Corporation 1 $18.00

By nature of payment

Food and Beverage
$1,426

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
77
Patients
28
Total drug cost
$1,044
Drug Type Claims Patients Total cost
Omeprazole Generic 43 28 $439
Dicyclomine Hcl Generic 18 0 $446
Pantoprazole Sodium Generic 16 0 $159

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Herman's medical specialty?
Dr. Andrew Herman practices Gastroenterology Physician in Bozeman, MT.
Where does Dr. Andrew Herman practice?
Dr. Andrew Herman practices at 875 S Cottonwood RD Ste 200, Bozeman, MT 597184222. Office phone: 4064145336.
What is Dr. Andrew Herman's NPI?
Dr. Andrew Herman's National Provider Identifier (NPI) is 1003260217, issued by NPPES.
Does Dr. Andrew Herman accept Medicare assignment?
Yes. Dr. Andrew Herman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Herman commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.