Doctor profile · Federal record

Dr. Diana Tran

Physician Assistant · Physician Assistant · Santa Ana, CA

  • NPI 1154057420
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
999 N Tustin Ave Ste 216
Santa Ana, CA 927056506
(714) 545-5550

Credentials & registration

NPPES · NUCC
NPI registered
July 2022 — 4 yrs on file
Profile last updated
February 25, 2026
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA61859

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154057420. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$26
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 1 $26.26

By nature of payment

Food and Beverage
$26

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Tran's medical specialty?
Dr. Diana Tran practices Physician Assistant in Santa Ana, CA.
Where does Dr. Diana Tran practice?
Dr. Diana Tran practices at 999 N Tustin Ave Ste 216, Santa Ana, CA 927056506. Office phone: 7145455550.
What is Dr. Diana Tran's NPI?
Dr. Diana Tran's National Provider Identifier (NPI) is 1154057420, issued by NPPES.
Does Dr. Diana Tran accept Medicare assignment?
Yes. Dr. Diana Tran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.