Doctor profile · Federal record

Dr. TIMOTHY CHEN, MD

Diagnostic Radiology Physician · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · SAN FRANCISCO, CA

  • NPI 1144808742
  • 5 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
505 PARNASSUS AVE
SAN FRANCISCO, CA 941432204
(415) 353-2742
Additional location
751 S Bascom Ave
San Jose, CA 951282699
(408) 885-5000

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
July 5, 2022
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
California #180089 · California #PTL7676

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144808742. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$47
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $47.25

By nature of payment

Food and Beverage
$47

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 21, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›