Doctor profile · Federal record

Dr. Tristan Tham Yong Ren, MD

Otolaryngology Physician (CMS: Otolaryngology) · Stanford, CA

  • NPI 1225590979
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
801 Welch RD
Palo Alto, CA 943041611
(650) 723-5281

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
October 11, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
California #A193202

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225590979. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$452
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Cambridge Interventional LLC 1 $239.57
AERIN MEDICAL INC. 1 $109.56
Inspire Medical Systems, Inc. 2 $102.89

By nature of payment

Food and Beverage
$393
Travel and Lodging
$59

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tristan Tham Yong Ren's medical specialty?
Dr. Tristan Tham Yong Ren practices Otolaryngology Physician in Stanford, CA.
Where does Dr. Tristan Tham Yong Ren practice?
Dr. Tristan Tham Yong Ren practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Tristan Tham Yong Ren's NPI?
Dr. Tristan Tham Yong Ren's National Provider Identifier (NPI) is 1225590979, issued by NPPES.
Does Dr. Tristan Tham Yong Ren accept Medicare assignment?
Yes. Dr. Tristan Tham Yong Ren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.