Doctor profile · Federal record

Dr. Shaibal Mazumdar, M.D.

Gastroenterology Physician · Menomonee Falls, WI

  • NPI 1093749566
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
N84W16889 Menomonee Ave
Menomonee Falls, WI 530512810
(262) 251-7500
fax (262) 251-7128
Mailing address
3003 W Good Hope RD
Milwaukee, WI 532092042

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 23, 2021
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #42898
Medicaid
WI #34047200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093749566. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
264
Distinct HCPCS
10
Medicare allowed
$34,472
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 42 42 $60
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 42 41 $75
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 41 41 $207
45380 Biopsy of large bowel using a flexible endoscope 22 22 $114
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 22 22 $168
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 17 17 $198
43249 Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 14 14 $105
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 14 14 $168
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 13 13 $53
45380 Biopsy of large bowel using a flexible endoscope 13 13 $93

In context: peer comparison

Among 2 peers in this city , average services per provider: 41. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$416
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 2 $170.43
Gilead Sciences, Inc. 1 $125.00
GENZYME CORPORATION 1 $120.88

By nature of payment

Food and Beverage
$416

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
748
Patients
539
Total drug cost
$21,129
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 410 399 $9,223
Omeprazole Generic 209 81 $3,958
Pantoprazole Sodium Generic 66 22 $936
Sucralfate Generic 42 16 $5,357
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 21 21 $1,655

Frequently asked questions

Auto-generated from federal data
What is Dr. Shaibal Mazumdar's medical specialty?
Dr. Shaibal Mazumdar practices Gastroenterology Physician in Menomonee Falls, WI.
Where does Dr. Shaibal Mazumdar practice?
Dr. Shaibal Mazumdar practices at N84W16889 Menomonee Ave, Menomonee Falls, WI 530512810. Office phone: 2622517500.
What is Dr. Shaibal Mazumdar's NPI?
Dr. Shaibal Mazumdar's National Provider Identifier (NPI) is 1093749566, issued by NPPES.
What procedures does Dr. Shaibal Mazumdar commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.