MARESHAH WILLIAMS
NPI 1740977180
Nurse Practitioner - Family in Valley Stream, NY

Active since April 18, 2023PECOS EnrolledAccepts Medicare Assignment
474 W VALLEY STREAM BLVD, VALLEY STREAM, NY 11580(347) 963-0204 Get Directions Write a Review

NPPES record last updated: April 18, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mareshah Williams NPPES

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

MARESHAH WILLIAMS (NPI 1740977180) is an individual family provider in Valley Stream, New York, licensed in New York (F50435-01) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1740977180
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARESHAH WILLIAMS
Location Address474 W VALLEY STREAM BLVDValley Stream, NY 11580-5135
Mailing Address474 W Valley Stream BlvdValley Stream, NY 11580-5135
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 18, 2023
NPPES CertifiedApril 17, 2023
✔ NPI 1740977180 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 · F50435-01
474 W VALLEY STREAM BLVD, Valley Stream, NY 11580

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

Mareshah Williams 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 ID7214392299
PECOS Enrollment IDI20230426001352
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

3

Medicare enrollment records show Mareshah Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
1612 CENTRAL AVE
Far Rockaway, NY 11691
  • Reassigned Medicare billing, New York enrollment
  • 125 clinicians in this Medicare group
Primary Care
170 OLD COUNTRY RD
Riverhead, NY 11901
  • Reassigned Medicare billing, New York enrollment
  • 57 clinicians in this Medicare group
Nurse Practitioner
5232 WITZ DR
North Syracuse, NY 13212
  • Reassigned Medicare billing, New York enrollment
  • 74 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11580 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

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 Mareshah Williams's NPI number?

The NPI number for Mareshah Williams is 1740977180. It was assigned to this individual provider in the NPPES registry on April 18, 2023.

Where is Mareshah Williams located?

Mareshah Williams practices at 474 W Valley Stream Blvd, Valley Stream, NY 11580. The listed phone number is (347) 963-0204.

What is Mareshah Williams's specialty?

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

Is Mareshah Williams enrolled in Medicare?

Yes. Mareshah 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 Mareshah Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mareshah Williams reassigns Medicare benefits to 3 organizations: Vantage Medical Associates PC (Far Rockaway, NY), Suffolk Primary Health, LLC (Riverhead, NY) and Molina Healthcare Of New York, Inc. (North Syracuse, NY). 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 Mareshah 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 Mareshah Williams was last updated on April 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.