1. Home
  2. Directory
  3. New Jersey
  4. Ewing
  5. Optometrist
  6. NPI Profile

ALLISIA WILLIAMSON OD
NPI 1821156845
Optometrist in Ewing, NJ

Active since December 04, 2006PECOS EnrolledAccepts Medicare Assignment
1400 PARKWAY AVE, EWING, NJ 08628(609) 771-0845(609) 771-0845 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Allisia Williamson Od NPPES

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

ALLISIA WILLIAMSON OD (NPI 1821156845) is an individual optometrist in Ewing, New Jersey, licensed in New Jersey (27OA00577300) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Pennsylvania College Of Optometry (2001).

NPPES Registry Identity

NPI1821156845
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameALLISIA WILLIAMSONCredential: OD
Location Address1400 PARKWAY AVEEwing, NJ 08628-3021
Mailing Address11103 West Ave, Suite 6San Antonio, TX 78213-1370 · (210) 524-6509 · Fax (210) 524-6587
Phone(609) 771-0845
Fax(609) 771-0845
Sole ProprietorNo
Medical School CMSPennsylvania College Of OptometryGraduated 2001
Enumeration DateDecember 4, 2006
Last NPPES UpdateJuly 9, 2007
✔ NPI 1821156845 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 NJ · 27OA00577300
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.
1400 PARKWAY AVE, Ewing, NJ 08628
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified052183CQTNJ · Medicare
Medicare UPINU87585NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Blue Cross and Blue Shield of Louisiana and more.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

Allisia Williamson 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 ID5597794412
PECOS Enrollment IDI20050810000784
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08628 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
$140.34 typical visit price
range $61.59 – $185.05
Typical copayment $35.08 (range $15.39 – $46.26)
Most-billed visit code 99204
Established Patient
$76.45 typical visit price
range $20.08 – $150.98
Typical copayment $19.11 (range $5.02 – $37.74)
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 3

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

MADALYN COWLES OD
Optometrist
1400 PARKWAY AVE
EWING, NJ 08628
Mercer County (609) 771-0088
ZOOBEEDU INC
Pharmacy (Community/Retail Pharmacy)
1400 PARKWAY AVE
EWING, NJ 08628
Mercer County (609) 323-7503
ALICIA M DAVIS PHARMD
Pharmacist
1400 PARKWAY AVE
EWING, NJ 08628
Mercer County (609) 323-7503

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 Allisia Williamson's NPI number?

The NPI number for Allisia Williamson is 1821156845. It was assigned to this individual provider in the NPPES registry on December 4, 2006.

Where is Allisia Williamson located?

Allisia Williamson practices at 1400 Parkway Ave, Ewing, NJ 08628. The listed phone number is (609) 771-0845.

What is Allisia Williamson's specialty?

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

Is Allisia Williamson enrolled in Medicare?

Yes. Allisia Williamson 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 Allisia Williamson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Providence Health Plan list Allisia Williamson 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 Allisia Williamson was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.