Doctor profile · Federal record

Dr. Ken Mayemura, O.D.

Optometrist (CMS: Optometry) · Seattle, WA

  • NPI 1821131814
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3202 W McGraw St
Seattle, WA 981993208
(206) 284-5850
fax (206) 600-5850

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
February 4, 2025
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Washington #TX3084
Medicaid
WA #2021095

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821131814. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
88
Distinct HCPCS
3
Medicare allowed
$9,632
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 59 56 $143
92250 Photography of the retina 17 17 $42
92133 Imaging of optic nerve 12 12 $40

In context: peer comparison

Among 36 peers in Seattle Optometrist, average services per provider: 59. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sun Pharmaceutical Industries INC. 1 $124.57

By nature of payment

Food and Beverage
$125

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
0
Total drug cost
$8,905
Drug Type Claims Patients Total cost
Latanoprost Generic 27 0 $327
Restasis (Cyclosporine) Brand 13 0 $8,421
Timolol Maleate Generic 11 0 $157

Frequently asked questions

Auto-generated from federal data
What is Dr. Ken Mayemura's medical specialty?
Dr. Ken Mayemura practices Optometrist in Seattle, WA.
Where does Dr. Ken Mayemura practice?
Dr. Ken Mayemura practices at 3202 W McGraw St, Seattle, WA 981993208. Office phone: 2062845850.
What is Dr. Ken Mayemura's NPI?
Dr. Ken Mayemura's National Provider Identifier (NPI) is 1821131814, issued by NPPES.
Does Dr. Ken Mayemura accept Medicare assignment?
Yes. Dr. Ken Mayemura accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ken Mayemura commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.