Doctor profile · Federal record

Dr. Mariko Yamashiro, O.D.

Optometrist (CMS: Optometry) · Monrovia, CA

  • NPI 1457404147
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
937 W Huntington Dr
Monrovia, CA 910163111
(626) 357-0408
fax (626) 357-6768

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
February 7, 2011
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #OPT 12863 TPA

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457404147. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas INC. 1 $22.03

By nature of payment

Food and Beverage
$22

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariko Yamashiro's medical specialty?
Dr. Mariko Yamashiro practices Optometrist in Monrovia, CA.
Where does Dr. Mariko Yamashiro practice?
Dr. Mariko Yamashiro practices at 937 W Huntington Dr, Monrovia, CA 910163111. Office phone: 6263570408.
What is Dr. Mariko Yamashiro's NPI?
Dr. Mariko Yamashiro's National Provider Identifier (NPI) is 1457404147, issued by NPPES.
Does Dr. Mariko Yamashiro accept Medicare assignment?
Yes. Dr. Mariko Yamashiro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.