HOLLY MARKS
NPI 1063124477
Nurse Practitioner in Paoli, PA
About Holly Marks NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLY MARKS (NPI 1063124477) is an individual nurse practitioner in Paoli, Pennsylvania, licensed in Pennsylvania (SP026771) and active in the NPI registry since December 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
Holly Marks 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
3Medicare enrollment records show Holly Marks reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newtown Square, PA 19073
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,638 clinicians in this Medicare group
Wilmington, DE 19801
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1245474329 (Delaware)
- 310 clinicians in this Medicare group
Wilmington, DE 19801
- Reassigned Medicare billing, Delaware enrollment
- 28 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 19301 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 20
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 Holly Marks's NPI number?
The NPI number for Holly Marks is 1063124477. It was assigned to this individual provider in the NPPES registry on December 16, 2022.
Where is Holly Marks located?
Holly Marks practices at 255 W Lancaster Ave, Paoli, PA 19301. The listed phone number is (484) 565-1000.
What is Holly Marks's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Holly Marks enrolled in Medicare?
Yes. Holly Marks 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 Holly Marks's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Marks reassigns Medicare benefits to 3 organizations: Main Line Healthcare (Newtown Square, PA), Christiana Care Health Services Inc (Wilmington, DE) and Christianacare Virtual Health Practice PA (Wilmington, DE). 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 Holly Marks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Holly Marks accept?
Health plans from AmeriHealth Caritas Next list Holly Marks 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 Holly Marks was last updated on December 16, 2022. 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.