Doctor profile · Federal record

Dr. ANUJ CHHAPARIA, M.D.

Gastroenterology Physician (CMS: GASTROENTEROLOGY) · Internal Medicine Physician · SAINT PETERS, MO

  • NPI 1457747859
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
70 JUNGERMANN CIR STE 201
SAINT PETERS, MO 633761619
(636) 916-9615
Additional location
1402 S Grand Blvd, FDT, 14th Floor
Saint Louis, MO 63104
(314) 577-8762
fax (314) 577-8100

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
June 28, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #2018023702

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457747859. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
166
Distinct HCPCS
6
Medicare allowed
$15,284
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 52 35 $77
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 44 34 $48
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 21 21 $77
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $162
45380 Biopsy of large bowel using a flexible endoscope 16 16 $71
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 15 15 $233

In context: peer comparison

Among 3 peers in this city , average services per provider: 50. This provider delivers 3.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$848
Transactions
37
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 14 $224.63
Janssen Biotech, Inc. 9 $199.17
GENZYME CORPORATION 5 $128.06
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $127.61
Celgene Corporation 2 $41.77
FUJIFILM Healthcare Americas Corporation 1 $31.86
Regeneron Healthcare Solutions, Inc. 1 $26.01
Takeda Pharmaceuticals U.S.A., Inc. 1 $23.96
Ardelyx, Inc. 1 $22.79
Merck Sharp & Dohme LLC 1 $22.55

By nature of payment

Food and Beverage
$848

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
145
Patients
119
Total drug cost
$1,886
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 59 59 $953
Ondansetron Hcl Generic 47 46 $147
Pantoprazole Sodium Generic 28 14 $478
Omeprazole Generic 11 0 $308

Hospital affiliations

CMS Hospital Compare