Doctor profile · Federal record

Dr. Michael Bennett, MD

Gastroenterology Physician (CMS: Gastroenterology) · Saint Louis, MO

  • NPI 1346560448
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Div Im Gastroenterology
Saint Louis, MO 631101003
(314) 747-2075
fax (314) 747-2460
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
April 15, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #2014010890
Medicaid
MO #200046904

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346560448. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,466
Distinct HCPCS
10
Medicare allowed
$72,177
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,020 17 $23
99213 Established patient office or other outpatient visit, 20-29 minutes 73 68 $87
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 63 31 $62
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 55 53 $90
45380 Biopsy of large bowel using a flexible endoscope 44 43 $137
96372 Injection of drug or substance under skin or into muscle 37 22 $14
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 28 28 $129
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 27 21 $141
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 27 27 $242
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 19 18 $85

In context: peer comparison

Among 42 peers in this city , average services per provider: 60. This provider delivers 24× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
862
Patients
278
Total drug cost
$71,118
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 210 62 $3,984
Omeprazole Generic 133 50 $2,228
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 95 93 $1,602
Famotidine Generic 65 21 $1,085
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 50 12 $1,560
Lorazepam Generic 49 0 $89
Motegrity (Prucalopride Succinate) Brand 36 0 $21,061
Dicyclomine Hcl Generic 33 15 $445
Baclofen Generic 32 0 $280
Movantik (Naloxegol Oxalate) Brand 31 0 $14,129

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Bennett's medical specialty?
Dr. Michael Bennett practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. Michael Bennett practice?
Dr. Michael Bennett practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3147472075.
What is Dr. Michael Bennett's NPI?
Dr. Michael Bennett's National Provider Identifier (NPI) is 1346560448, issued by NPPES.
Does Dr. Michael Bennett accept Medicare assignment?
Yes. Dr. Michael Bennett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Bennett commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99213); Infusion into a vein for therapy, prevention, or diagnosis (HCPCS 96365). Source: CMS Medicare Physician & Other Practitioners file.