Doctor profile · Federal record

Dr. Aaron CHI, OD

Optometrist (CMS: Optometry) · Fountain Valley, CA

  • NPI 1588155360
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18449 Brookhurst St Ste 6
Fountain Valley, CA 927086751
(714) 963-2111

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
December 1, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #34007TLG

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588155360. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$331
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 3 $176.42
Tarsus Pharmaceuticals, Inc. 1 $138.67
Optos, Inc. 1 $15.83

By nature of payment

Food and Beverage
$315
Entertainment
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$200
Drug Type Claims Patients Total cost
Latanoprost Generic 14 0 $200

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron CHI's medical specialty?
Dr. Aaron CHI practices Optometrist in Fountain Valley, CA.
Where does Dr. Aaron CHI practice?
Dr. Aaron CHI practices at 18449 Brookhurst St Ste 6, Fountain Valley, CA 927086751. Office phone: 7149632111.
What is Dr. Aaron CHI's NPI?
Dr. Aaron CHI's National Provider Identifier (NPI) is 1588155360, issued by NPPES.
Does Dr. Aaron CHI accept Medicare assignment?
Yes. Dr. Aaron CHI accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.