Doctor profile · Federal record

Dr. Michael Manbeck, M.D.

Gastroenterology Physician (CMS: Internal Medicine) · South Bend, IN

  • NPI 1649272725
  • Accepts Medicare
  • MIPS 74.0 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
17501 Generations Dr
South Bend, IN 466351589
(574) 234-0049
fax (574) 251-2861

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
January 21, 2011
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Indiana #01044874A
Medicaid
IN #200077210A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649272725. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
809
Distinct HCPCS
10
Medicare allowed
$106,221
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 185 185 $230
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 136 132 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 118 98 $118
99213 Established patient office or other outpatient visit, 20-29 minutes 65 60 $84
45380 Biopsy of large bowel using a flexible endoscope 45 45 $127
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 37 30 $46
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 35 35 $162
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 30 30 $134
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 29 28 $122
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 24 22 $5

In context: peer comparison

Among 6 peers in this city , average services per provider: 42. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$834
Transactions
63
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 52 $641.97
Gilead Sciences, Inc. 4 $68.62
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $46.58
Celgene Corporation 2 $35.75
Sirtex Medical Inc 1 $22.61
Boston Scientific Corporation 1 $16.13
Mauna Kea Technologies, Inc. 1 $2.41

By nature of payment

Food and Beverage
$834

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,340
Patients
666
Total drug cost
$241,076
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 338 109 $5,702
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 243 241 $18,039
Omeprazole Generic 123 45 $2,692
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 119 113 $1,958
Sulfasalazine Generic 71 17 $2,263
Creon (Lipase/Protease/Amylase) Brand 67 22 $138,063
Azathioprine Generic 60 16 $8,335
Esomeprazole Magnesium Generic 51 13 $1,818
Lansoprazole Generic 48 13 $2,151
Dexlansoprazole Dr (Dexlansoprazole) Brand 47 0 $13,729

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Manbeck's medical specialty?
Dr. Michael Manbeck practices Gastroenterology Physician in South Bend, IN.
Where does Dr. Michael Manbeck practice?
Dr. Michael Manbeck practices at 17501 Generations Dr, South Bend, IN 466351589. Office phone: 5742340049.
What is Dr. Michael Manbeck's NPI?
Dr. Michael Manbeck's National Provider Identifier (NPI) is 1649272725, issued by NPPES.
Does Dr. Michael Manbeck accept Medicare assignment?
Yes. Dr. Michael Manbeck accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Manbeck 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); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.