KEN KENJI MAYEMURA (O.D.) – Optometrist, NPI 1821131814

KEN KENJI MAYEMURA (O.D.) is a healthcare provider. based in Seattle, Washington. specializing in OPTOMETRY. They hold the professional credentials O.D.. They hold a License No. TX3084 (WA). The NPI Number for KEN KENJI MAYEMURA (O.D.) is 1821131814

Main info

Male
34 Years Of Experience
Accepts Medicare Assignment
Name
KEN KENJI MAYEMURA (O.D.)
NPI
1821131814
Phone
(206) 284-5850
Address
3202 W MCGRAW ST
Enumeration Date
15 February 2007
Last Update Date
4 February 2025

Doctor Profile

Medical School Name
SOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Secondary Phone
2062845850
Graduation Year
1992 (34 years ago)
PAC ID
5799775599
Group Practice PAC ID
3476927997
Professional Enrollment ID
I20040514000306
Address ID
WA981993208SE3202XSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

1,098 OPTOMETRY in WA

Provider Addresses for KEN KENJI MAYEMURA (O.D.)

  • 3202 W MCGRAW ST

    SEATTLE, WA 981993208

    Phone: (206) 284-5850

    Fax: (206) 600-5850

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 8 Open Payments records for all available years, with a total value of $344.

Total Amount is formed as General ($344) + Research ($0) + Ownership ($0) = $344.

Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Alcon Vision LLC ($138).

Total Amount

$344

General + Research + Ownership

Payments

8

Total payment records

General Amount

$344

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-23

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-05-14

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040514000306IOptometryWATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
92014Established patient complete exam of visual system5956$0
92250Photography of the retina1717$0
92133Imaging of optic nerve1212$0
View full utilization report →

Insurance plans in this area (ZIP 98199)

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Provider's Procedures

KEN KENJI MAYEMURA (O.D.) performs procedures in OPTOMETRY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPTOMETRYWA92083Measurement of field of vision during daylight conditions3733
OPTOMETRYWA92134Diagnostic imaging of retina4333

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3476927997View full group profile
NameSpecialtyState
O P T O M E T R YHI
O P T O M E T R YWA
O P T O M E T R YWA
O P T O M E T R YOR
O P T O M E T R YUT
O P T O M E T R YWA
O P T O M E T R YWA
O P T O M E T R YWA
O P T O M E T R YWA
O P T O M E T R YIN

Reviews

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Frequently asked questions

What is the registry number for KEN KENJI MAYEMURA (O.D.)?
The registry entry for KEN KENJI MAYEMURA (O.D.) shows NPI 1821131814.
Quick check: is KEN KENJI MAYEMURA (O.D.) active?
Public NPPES data shows KEN KENJI MAYEMURA (O.D.) with an active NPI status right now.
Which specialty label fits KEN KENJI MAYEMURA (O.D.)?
NPPES ties KEN KENJI MAYEMURA (O.D.) to Optometrist in the taxonomy section. Clinical services aligned with this taxonomy classification.
Is KEN KENJI MAYEMURA (O.D.) tied to Seattle, Washington?
If you are local to Seattle, Washington, KEN KENJI MAYEMURA (O.D.) may be relevant to your search.
Can I export KEN KENJI MAYEMURA (O.D.)'s record?
You can download the official NPPES record; we summarize key fields for readability.

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