ARIELLE M WILLIAMS NP
NPI 1285458539
Nurse Practitioner - Family in New Windsor, NY

Active since November 13, 2024PECOS EnrolledAccepts Medicare Assignment
306 WINDSOR HWY, NEW WINDSOR, NY 12553(845) 787-1400 Get Directions Write a Review

NPPES record last updated: November 13, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Arielle M Williams Np NPPES

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

ARIELLE M WILLIAMS NP (NPI 1285458539) is an individual family provider in New Windsor, New York, licensed in New York (F35483701) and active in the NPI registry since November 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1285458539
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameARIELLE M WILLIAMSCredential: NP
Location Address306 WINDSOR HWYNew Windsor, NY 12553-6908
Mailing Address306 Windsor HwyNew Windsor, NY 12553-6908
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateNovember 13, 2024
NPPES CertifiedNovember 13, 2024
✔ NPI 1285458539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · F35483701
306 WINDSOR HWY, New Windsor, NY 12553

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

Arielle M Williams Np 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 ID648706580
PECOS Enrollment IDI20241216001096
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Arielle Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Urgent Care
40 HURLEY AVE, SUITE 4
Kingston, NY 12401
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Anderson Medical PC Dba Emergency One
  • 23 clinicians in this Medicare group
Internal Medicine
3090 FIVE POINTS HARTFORD RD
Fowler, OH 44418
  • Reassigned Medicare billing, New York enrollment
  • 27 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

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 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 12553 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
$95.99 typical visit price
range $61.88 – $187.05
Typical copayment $23.99 (range $15.47 – $46.76)
Most-billed visit code 99203
Established Patient
$108.56 typical visit price
range $19.92 – $151.94
Typical copayment $27.14 (range $4.98 – $37.98)
Most-billed visit code 99214
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 2

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

Physician Assistant (Medical)
306 WINDSOR HWY
NEW WINDSOR, NY 12553
Physician Assistant
306 WINDSOR HWY
NEW WINDSOR, NY 12553

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 Arielle Williams's NPI number?

The NPI number for Arielle Williams is 1285458539. It was assigned to this individual provider in the NPPES registry on November 13, 2024.

Where is Arielle Williams located?

Arielle Williams practices at 306 Windsor Hwy, New Windsor, NY 12553. The listed phone number is (845) 787-1400.

What is Arielle Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Arielle Williams enrolled in Medicare?

Yes. Arielle Williams 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 Arielle Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arielle Williams reassigns Medicare benefits to 2 organizations: Anderson Medical P.C. Dba Emergency One (Kingston, NY) and Py Medical Services Of Ny PLLC (Fowler, OH). 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 Arielle Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Arielle Williams was last updated on November 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.