Doctor profile · Federal record

Dr. ROBERT WEN, MD

Gastroenterology Physician (CMS: INTERNAL MEDICINE) · RIVERSIDE, CA

  • NPI 1790852507
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10800 MAGNOLIA AVE
RIVERSIDE, CA 925053043
(909) 353-2000

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 22, 2021
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #G82085

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790852507. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$28
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $28.46

By nature of payment

Food and Beverage
$28

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,415
Patients
865
Total drug cost
$54,416
Drug Type Claims Patients Total cost
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 688 645 $14,571
Omeprazole Generic 321 122 $2,920
Pantoprazole Sodium Generic 133 45 $1,856
Lansoprazole Generic 45 12 $862
Dicyclomine Hcl Generic 44 0 $782
Colestipol Hcl Generic 32 0 $4,363
Cholestyramine Light (Cholestyramine/Aspartame) Brand 27 19 $2,383
Lialda (Mesalamine) Brand 25 11 $12,871
Budesonide Dr (Budesonide) Brand 24 0 $2,262
Prevalite (Cholestyramine/Aspartame) Brand 21 11 $1,713