Doctor profile · Federal record

Dr. Michael Long

Gastroenterology Physician (CMS: Gastroenterology) · Minneapolis, MN

  • NPI 1821071317
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2450 Riverside Ave
Minneapolis, MN 554541450
(612) 672-6000

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 28, 2021
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Minnesota #34481
Medicaid
MN #825714100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821071317. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
171
Distinct HCPCS
7
Medicare allowed
$24,536
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 51 51 $236
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 30 30 $100
45380 Biopsy of large bowel using a flexible endoscope 28 28 $113
99213 Established patient office or other outpatient visit, 20-29 minutes 20 16 $87
99203 New patient office or other outpatient visit, 30-44 minutes 19 19 $107
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 12 12 $56
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 11 11 $172

In context: peer comparison

Among 15 peers in Minneapolis Gastroenterology Physician, average services per provider: 39. This provider delivers 4.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
366
Patients
247
Total drug cost
$71,415
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 168 164 $4,491
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 35 35 $947
Cholestyramine (Cholestyramine (With Sugar)) Brand 34 19 $3,307
Omeprazole Generic 30 13 $1,022
Pantoprazole Sodium Generic 28 16 $644
Creon (Lipase/Protease/Amylase) Brand 24 0 $39,507
Desipramine Hcl Generic 23 0 $2,200
Ursodiol Generic 13 0 $4,476
Alosetron Hcl Generic 11 0 $14,821

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Long's medical specialty?
Dr. Michael Long practices Gastroenterology Physician in Minneapolis, MN.
Where does Dr. Michael Long practice?
Dr. Michael Long practices at 2450 Riverside Ave, Minneapolis, MN 554541450. Office phone: 6126726000.
What is Dr. Michael Long's NPI?
Dr. Michael Long's National Provider Identifier (NPI) is 1821071317, issued by NPPES.
Does Dr. Michael Long accept Medicare assignment?
Yes. Dr. Michael Long accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Long 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 esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.