MARYLU HARTLEY WILLIAMS FNP
NPI 1801176367
Nurse Practitioner - Family in Arden, NC
About Marylu Hartley Williams Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYLU HARTLEY WILLIAMS FNP (NPI 1801176367) is an individual family provider in Arden, North Carolina, licensed in North Carolina (50229333) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS, is affiliated with Margaret R Pardee Memorial Hospital, and maintains a secondary practice location in Pisgah Forest.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Marylu Hartley Williams Fnp 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
2Medicare enrollment records show Marylu Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arden, NC 28704
- Reassigned Medicare billing, North Carolina enrollment
- 401 clinicians in this Medicare group
Poughkeepsie, NY 12603
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Premier Medical Group Of The Hudson Valley PC
- 169 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Margaret R Pardee Memorial Hospital
Acute Care Hospitals · Hendersonville, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 28704 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Marylu Williams's NPI number?
The NPI number for Marylu Williams is 1801176367. It was assigned to this individual provider in the NPPES registry on August 27, 2011.
Where is Marylu Williams located?
Marylu Williams practices at 2775 Hendersonville Rd Ste 210, Arden, NC 28704. The listed phone number is (828) 435-8280.
What is Marylu Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Marylu Williams enrolled in Medicare?
Yes. Marylu 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 Marylu Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marylu Williams reassigns Medicare benefits to 2 organizations: Henderson County Hospital Corporation (Arden, NC) and Premier Medical Group Of The Hudson Valley P.C. (Poughkeepsie, 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 Marylu Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marylu Williams accept?
Health plans from First Choice Next and UnitedHealthcare list Marylu Williams 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.
Is Marylu Williams affiliated with any hospitals?
According to CMS data, Marylu Williams is affiliated with Margaret R Pardee Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Marylu Williams was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.