Doctor profile · Federal record

Dr. Tammy Liu Na, O.D.

Optometrist (CMS: Optometry) · Irvine, CA

  • NPI 1346801933
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15333 Culver Dr Ste 690
Irvine, CA 926047143
(949) 552-4271
Mailing address
339 Memory Ln
Santa Ana, CA 927056021

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #34240TLG

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346801933. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,205
Transactions
28
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 10 $404.24
Genentech USA, INC. 6 $215.89
Apellis Pharmaceuticals, INC. 3 $180.18
Genentech, INC. 1 $126.51
Abbvie INC. 1 $97.57
Mallinckrodt Hospital Products INC. 3 $66.41
Astellas Pharma US INC 1 $64.18
Ani Pharmaceuticals, INC. 2 $34.14
Bausch & Lomb Americas INC. 1 $16.20

By nature of payment

Food and Beverage
$1,205

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Liu Na's medical specialty?
Dr. Tammy Liu Na practices Optometrist in Irvine, CA.
Where does Dr. Tammy Liu Na practice?
Dr. Tammy Liu Na practices at 15333 Culver Dr Ste 690, Irvine, CA 926047143. Office phone: 9495524271.
What is Dr. Tammy Liu Na's NPI?
Dr. Tammy Liu Na's National Provider Identifier (NPI) is 1346801933, issued by NPPES.
Does Dr. Tammy Liu Na accept Medicare assignment?
Yes. Dr. Tammy Liu Na accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.