Doctor profile · Federal record

Dr. Casey Kolendich, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Missoula, MT

  • NPI 1669511606
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1930 W Broadway St Ste A
Missoula, MT 598081960
(406) 541-6844
fax (406) 541-6843

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
October 7, 2024
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Montana #11522

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669511606. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,183
Distinct HCPCS
10
Medicare allowed
$161,470
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 378 374 $133
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 187 183 $253
88305 Pathology examination of tissue using a microscope, intermediate complexity 139 64 $36
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 135 128 $99
99214 Established patient office or other outpatient visit, 30-39 minutes 53 43 $129
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 52 52 $180
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 47 41 $109
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 43 26 $50
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 38 37 $177
99213 Established patient office or other outpatient visit, 20-29 minutes 36 31 $91

In context: peer comparison

Among 3 peers in this city , average services per provider: 65. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$145
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $125.77
PFIZER INC. 1 $19.00

By nature of payment

Food and Beverage
$145

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
681
Patients
467
Total drug cost
$686,592
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 446 421 $12,207
Omeprazole Generic 82 24 $1,065
Azathioprine Generic 28 0 $798
Mesalamine Er (Mesalamine) Brand 25 0 $5,248
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 22 22 $3,825
Mesalamine Generic 21 0 $34,525
Stelara (Ustekinumab) Brand 20 0 $540,174
Colestipol Hcl Generic 13 0 $1,352
Humira(Cf) Pen (Adalimumab) Brand 13 0 $86,624
Dicyclomine Hcl Generic 11 0 $775

Frequently asked questions

Auto-generated from federal data
What is Dr. Casey Kolendich's medical specialty?
Dr. Casey Kolendich practices Gastroenterology Physician in Missoula, MT.
Where does Dr. Casey Kolendich practice?
Dr. Casey Kolendich practices at 1930 W Broadway St Ste A, Missoula, MT 598081960. Office phone: 4065416844.
What is Dr. Casey Kolendich's NPI?
Dr. Casey Kolendich's National Provider Identifier (NPI) is 1669511606, issued by NPPES.
Does Dr. Casey Kolendich accept Medicare assignment?
Yes. Dr. Casey Kolendich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Casey Kolendich commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.