Issaquah Vision Source, PS – Optometrist, NPI 1225195431

Issaquah Vision Source, PS is a healthcare provider. based in Issaquah, Washington. specializing in Optometrist. The NPI Number for Issaquah Vision Source, PS is 1225195431

Main info

Organization
Name
Issaquah Vision Source, PS
NPI
1225195431
Phone
(425) 392-8756
Address
450 NW GILMAN BLVD
Authorized Official
DR. STEPHAN L. CASSIDY OWNER OD
Enumeration Date
3 January 2007
Last Update Date
11 July 2019
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience43
Completeness80
Years active:19State licenses:0Digital endpointsUpdated within 12 months

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Provider Addresses for Issaquah Vision Source, PS

  • 450, Northwest Gilman Boulevard, Issaquah, King County, Washington, 98027, United States

    STE 104

    ISSAQUAH, WA 980272483

    Phone: (425) 392-8756

    Fax: (425) 391-8631

    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)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2019-09-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Past revalidation due date

Earliest CMS due date was 2026-03-31 (71 days ago).

Enrollment records

1

Earliest due date

2026-03-31

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
O20190906000392OClinic/Group PracticeWA2026-03-31

What to do next

  • Verify current status on the CMS Revalidation Lookup Tool immediately.
  • Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
  • Overdue revalidation can lead to deactivation of Medicare billing privileges.

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 98027)

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Reviews

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Frequently asked questions

Does Issaquah Vision Source, PS share an NPI with anyone else?
NPI numbers are unique to each provider or organization — Issaquah Vision Source, PS uses 1225195431.
Is Issaquah Vision Source, PS still practicing?
Issaquah Vision Source, PS is currently listed as active in the public NPI registry.
What is Issaquah Vision Source, PS best known for clinically?
Directory data describes Issaquah Vision Source, PS with Optometrist. Clinical services aligned with this taxonomy classification.
Where should I expect Issaquah Vision Source, PS on a map?
Expect Issaquah, Washington as a primary anchor for Issaquah Vision Source, PS unless the record lists multiple sites.
What does 'Organization' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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