1. Home
  2. Directory
  3. Washington
  4. Issaquah
  5. Optometrist
  6. NPI Profile

DR. STEPHAN L CASSIDY O.D.
NPI 1679630867
Optometrist in Issaquah, WA

Active since January 03, 2007PECOS EnrolledAccepts Medicare Assignment
450 NW GILMAN BLVD, STE 104, ISSAQUAH, WA 98027(425) 392-8756(425) 391-8631 Get Directions Write a Review

NPPES record last updated: December 19, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Stephan L Cassidy O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHAN L CASSIDY O.D. (NPI 1679630867) is an individual optometrist in Issaquah, Washington, licensed in Washington (3190) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (1995).

NPPES Registry Identity

NPI1679630867
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. STEPHAN L CASSIDYCredential: O.D.
Location Address450 NW GILMAN BLVD, STE 104Issaquah, WA 98027-2483
Mailing Address450 Nw Gilman Blvd, Ste 104Issaquah, WA 98027-2483 · (425) 392-8756 · Fax (425) 391-8631
Phone(425) 392-8756
Fax(425) 391-8631
Sole ProprietorNo
Medical School CMSIllinois College Of Optometry At ChicagoGraduated 1995
Enumeration DateJanuary 3, 2007
Last NPPES UpdateDecember 19, 2007
✔ NPI 1679630867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in WA · 3190
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
450 NW GILMAN BLVD, Issaquah, WA 98027
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINU60209WA
Medicaid2028686WA
Medicare PING8864089WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephan L Cassidy O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284736554
PECOS Enrollment IDI20070217000057
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
136 services136 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
103 services46 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
69 services65 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
62 services30 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
54 services22 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
32 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARIA MADELINE GREENBAUM LMP
Massage Therapist
450 NW GILMAN BLVD, SUITE 201
ISSAQUAH, WA 98027
King County (425) 835-2503
ISSAQUAH FOOT & ANKLE SPECIALISTS, P.L.L.C.
Podiatrist
450 NW GILMAN BLVD, SUITE 303
ISSAQUAH, WA 98027
King County (425) 391-8666
KEYA CHISHOLM FNP-C
Nurse Practitioner (Family)
450 NW GILMAN BLVD, SUITE 201
ISSAQUAH, WA 98027
King County (425) 391-0705
MR. KARL FREDERICK KUNDERT JR. PA-C
Physician Assistant (Medical)
450 NW GILMAN BLVD, SUITE 205
ISSAQUAH, WA 98027
King County (425) 391-3737
SUZANNE M. MINER PAC
Physician Assistant
450 NW GILMAN BLVD, SUITE 301A
ISSAQUAH, WA 98027
King County (425) 654-1275
ALEXANDER E HONN LMP, NASM CPT
Massage Therapist
450 NW GILMAN BLVD, SUITE 201
ISSAQUAH, WA 98027
King County (425) 835-2503
MS. RHONDA JO RAVANI ARNP
Specialist
450 NW GILMAN BLVD, #203
ISSAQUAH, WA 98027
King County (425) 454-3938
STEPHAN CASSIDY OD PS
Optometrist
450 NW GILMAN BLVD, STE 104
ISSAQUAH, WA 98027
King County (425) 392-8756

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stephan Cassidy's NPI number?

The NPI number for Stephan Cassidy is 1679630867. It was assigned to this individual provider in the NPPES registry on January 3, 2007.

Where is Stephan Cassidy located?

Stephan Cassidy practices at 450 NW Gilman Blvd Ste 104, Issaquah, WA 98027. The listed phone number is (425) 392-8756.

What is Stephan Cassidy's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Stephan Cassidy enrolled in Medicare?

Yes. Stephan Cassidy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Stephan Cassidy accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Stephan Cassidy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephan Cassidy was last updated on December 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.