Doctor profile · Federal record

Dr. Gregory Munson, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Bellingham, WA

  • NPI 1982610937
  • Accepts Medicare
  • MIPS 87.2 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2979 Squalicum Pkwy, Suite 301
Bellingham, WA 982251811
(360) 734-1420
fax (360) 756-6666

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 16, 2017
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Washington #MD60200734
Medicaid
MN #ENROLLED

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982610937. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,221
Distinct HCPCS
10
Medicare allowed
$115,904
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 530 283 $36
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 205 205 $248
45380 Biopsy of large bowel using a flexible endoscope 104 104 $85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 85 80 $86
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 70 67 $5
99214 Established patient office or other outpatient visit, 30-39 minutes 53 45 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 41 37 $89
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 30 30 $177
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 29 29 $141
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 24 $130

In context: peer comparison

Among 10 peers in this city , average services per provider: 60. This provider delivers 20× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
617
Patients
276
Total drug cost
$538,280
Drug Type Claims Patients Total cost
Omeprazole Generic 157 54 $1,957
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 100 97 $2,642
Pantoprazole Sodium Generic 60 19 $933
Peg3350-Sod Sul-Nacl-Kcl-Asb-C (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) Brand 58 57 $4,522
Azathioprine Generic 38 0 $1,312
Humira Pen (Adalimumab) Brand 33 0 $425,622
Mesalamine Generic 28 0 $19,339
Cholestyramine (Cholestyramine (With Sugar)) Brand 24 0 $2,020
Nadolol Generic 23 0 $1,301
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 21 21 $439

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Munson's medical specialty?
Dr. Gregory Munson practices Gastroenterology Physician in Bellingham, WA.
Where does Dr. Gregory Munson practice?
Dr. Gregory Munson practices at 2979 Squalicum Pkwy, Bellingham, WA 982251811. Office phone: 3607341420.
What is Dr. Gregory Munson's NPI?
Dr. Gregory Munson's National Provider Identifier (NPI) is 1982610937, issued by NPPES.
Does Dr. Gregory Munson accept Medicare assignment?
Yes. Dr. Gregory Munson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Munson commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); 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). Source: CMS Medicare Physician & Other Practitioners file.