DR. DOUGLAS LEONARD CASSIDY OD
NPI 1649347600
Optometrist in Williamsburg, VA

Active since November 28, 2006PECOS EnrolledAccepts Medicare Assignment
4655 MONTICELLO AVE STE 201, WILLIAMSBURG, VA 23188(757) 259-6823(757) 259-6826 Get Directions Write a Review

NPPES record last updated: November 3, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Douglas Leonard Cassidy Od NPPES

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

DR. DOUGLAS LEONARD CASSIDY OD (NPI 1649347600) is an individual optometrist in Williamsburg, Virginia, licensed in Virginia (0618001111) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1649347600
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. DOUGLAS LEONARD CASSIDYCredential: OD
Location Address4655 MONTICELLO AVE STE 201Williamsburg, VA 23188-8221
Mailing Address1950 Old Gallows Rd Ste 520Vienna, VA 22182-3970 · (703) 847-8899 · Fax (571) 223-6780
Fax(757) 259-6826
Sole ProprietorNo
Medical School CMSOtherGraduated 1980
Enumeration DateNovember 28, 2006
Last NPPES UpdateNovember 3, 2021
NPPES CertifiedNovember 3, 2021
NPI 1649347600 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 VA · 0618001111
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.
4655 MONTICELLO AVE STE 201, Williamsburg, VA 23188

Accepted 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. Douglas Leonard Cassidy Od 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 ID2163859638
PECOS Enrollment IDI20200221001183
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

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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23188 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
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
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

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

Optometrist
4655 MONTICELLO AVE STE 201
WILLIAMSBURG, VA 23188

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 Douglas Cassidy's NPI number?

The NPI number for Douglas Cassidy is 1649347600. It was assigned to this individual provider in the NPPES registry on November 28, 2006.

Where is Douglas Cassidy located?

Douglas Cassidy practices at 4655 Monticello Ave Ste 201, Williamsburg, VA 23188. The listed phone number is (757) 259-6823.

What is Douglas Cassidy's specialty?

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

Is Douglas Cassidy enrolled in Medicare?

Yes. Douglas 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 Douglas Cassidy accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Douglas 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 Douglas Cassidy was last updated on November 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.