Doctor profile · Federal record

Dr. Margaret Nguyen

Optometrist · Downey, CA

  • NPI 1831547009
  • 10 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9001 Apollo Way
Downey, CA 90242
(562) 803-0135
fax (562) 803-0384
Additional location
9191 Bolsa Ave, Unit 116
Westminster, CA 926835564
(714) 361-9785

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
March 26, 2019
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #15428

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831547009. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$164
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas INC. 1 $124.31
CooperVision INC. 2 $39.22

By nature of payment

Food and Beverage
$164

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Nguyen's medical specialty?
Dr. Margaret Nguyen practices Optometrist in Downey, CA.
Where does Dr. Margaret Nguyen practice?
Dr. Margaret Nguyen practices at 9001 Apollo Way, Downey, CA 90242. Office phone: 5628030135.
What is Dr. Margaret Nguyen's NPI?
Dr. Margaret Nguyen's National Provider Identifier (NPI) is 1831547009, issued by NPPES.