Doctor profile · Federal record

Dr. Rex Chiu, MD

Internal Medicine Physician · Menlo Park, CA

  • NPI 1366580011
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
321 Middlefield Road, Suite 275
Menlo Park, CA 94025
(650) 815-9577
fax (650) 289-0166
Mailing address
321 Middlefield RD, Suite 275
Menlo Park, CA 940253500

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
February 20, 2009
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G84116

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366580011. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$154
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $154.10

By nature of payment

Food and Beverage
$154

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
79
Patients
0
Total drug cost
$1,511
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 16 0 $899
Montelukast Sodium Generic 15 0 $45
Valsartan Generic 13 0 $92
Zolpidem Tartrate Generic 13 0 $165
Levothyroxine Sodium Generic 11 0 $236
Trazodone Hcl Generic 11 0 $73

Frequently asked questions

Auto-generated from federal data
What is Dr. Rex Chiu's medical specialty?
Dr. Rex Chiu practices Internal Medicine Physician in Menlo Park, CA.
Where does Dr. Rex Chiu practice?
Dr. Rex Chiu practices at 321 Middlefield Road, Menlo Park, CA 94025. Office phone: 6508159577.
What is Dr. Rex Chiu's NPI?
Dr. Rex Chiu's National Provider Identifier (NPI) is 1366580011, issued by NPPES.