Doctor profile · Federal record

Dr. Tiffany Tan

Family Nurse Practitioner (CMS: Nurse Practitioner) · Sunnyvale, CA

  • NPI 1689459430
  • Accepts Medicare
  • 3 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1309 S Mary Ave Ste 200
Sunnyvale, CA 940873060
(408) 523-3460
Mailing address
1309 S. Mary Ave Suite 200
Sunnyvale, CA 94087

Credentials & registration

NPPES · NUCC
NPI registered
August 2023 — 3 yrs on file
Profile last updated
March 6, 2024
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95025483

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689459430. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$118
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Genmab U.S., INC. 1 $118.41

By nature of payment

Food and Beverage
$118

Frequently asked questions

Auto-generated from federal data
What is Dr. Tiffany Tan's medical specialty?
Dr. Tiffany Tan practices Family Nurse Practitioner in Sunnyvale, CA.
Where does Dr. Tiffany Tan practice?
Dr. Tiffany Tan practices at 1309 S Mary Ave Ste 200, Sunnyvale, CA 940873060. Office phone: 4085233460.
What is Dr. Tiffany Tan's NPI?
Dr. Tiffany Tan's National Provider Identifier (NPI) is 1689459430, issued by NPPES.
Does Dr. Tiffany Tan accept Medicare assignment?
Yes. Dr. Tiffany Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.