Doctor profile · Federal record

Dr. Mark Sawamura, OD

Optometrist (CMS: Optometry) · Fullerton, CA

  • NPI 1497858898
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2575 Yorba Linda Blvd
Fullerton, CA 928311699
(714) 449-7407
fax (714) 992-7871

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
February 17, 2010
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #9835TPL

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497858898. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$75
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Tarsus Pharmaceuticals, INC. 2 $51.57
Alcon Vision LLC 1 $23.09

By nature of payment

Food and Beverage
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
0
Total drug cost
$200
Drug Type Claims Patients Total cost
Latanoprost Generic 28 0 $200

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Sawamura's medical specialty?
Dr. Mark Sawamura practices Optometrist in Fullerton, CA.
Where does Dr. Mark Sawamura practice?
Dr. Mark Sawamura practices at 2575 Yorba Linda Blvd, Fullerton, CA 928311699. Office phone: 7144497407.
What is Dr. Mark Sawamura's NPI?
Dr. Mark Sawamura's National Provider Identifier (NPI) is 1497858898, issued by NPPES.
Does Dr. Mark Sawamura accept Medicare assignment?
Yes. Dr. Mark Sawamura accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.