DR. ALEXANDER VAN DYCK OD
NPI 1154809507
Optometrist in Williston, VT
About Dr. Alexander Van Dyck Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER VAN DYCK OD (NPI 1154809507) is an individual optometrist in Williston, Vermont, licensed in Vermont (030.0133954) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in Brooklyn, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alexander Van Dyck 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.
Medicare Billing Reassignments
4Medicare enrollment records show Alexander Van Dyck reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Williston, VT 05495
- Reassigned Medicare billing, Vermont enrollment
- 38 clinicians in this Medicare group
Tolland, CT 06084
- Reassigned Medicare billing, New Hampshire and Vermont enrollments
- 4 clinicians in this Medicare group
Bristol, RI 02809
- Reassigned Medicare billing, Vermont enrollment
- 62 clinicians in this Medicare group
Elkton, MD 21921
- Reassigned Medicare billing, Maryland enrollment
- 253 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 05495 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Alexander Van Dyck's NPI number?
The NPI number for Alexander Van Dyck is 1154809507. It was assigned to this individual provider in the NPPES registry on July 29, 2018.
Where is Alexander Van Dyck located?
Alexander Van Dyck practices at 5399 Williston Rd Ste 102, Williston, VT 05495. The listed phone number is (802) 864-5428.
What is Alexander Van Dyck's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Alexander Van Dyck enrolled in Medicare?
Yes. Alexander Van Dyck 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.
Which organizations bill Medicare for Alexander Van Dyck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Van Dyck reassigns Medicare benefits to 4 organizations: Myeyedr Optometry Of Vermont LLC (Williston, VT), Swift Optometry Care PC (Tolland, CT), Infinite Medical PC (Bristol, RI) and Myeyedr Optometry Of Maryland, LLC (Elkton, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Van Dyck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Van Dyck accept?
Health plans from Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Blue Cross and Blue Shield of Montana and 3 other insurers list Alexander Van Dyck 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 Alexander Van Dyck was last updated on August 12, 2022. 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.
# Dr. Alexander Van Dyck, OD · NPI 1154809507
Optometrist provider in Williston, Vermont. Individual provider, active in the CMS NPPES registry since July 29, 2018.
## Identity
- **NPI:** 1154809507 (Entity type: Individual)
- **Enumerated:** July 29, 2018
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 030.0133954 (Vermont)
- **Sole proprietor:** No
## Practice location
- **Address:** 5399 WILLISTON RD STE 102, Williston, VT 05495-5321
- **Phone:** (802) 864-5428
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Myeyedr Optometry Of Vermont LLC (NPI 1295245876, Williston, VT); Swift Optometry Care PC (NPI 1063753887, Tolland, CT); Infinite Medical PC (NPI 1407483175, Bristol, RI); Myeyedr Optometry Of Maryland, LLC (NPI 1790167948, Elkton, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 12, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1154809507) · Data from the CMS NPPES public registry.