HOLLY MARKS
NPI 1063124477
Nurse Practitioner in Paoli, PA

Active since December 16, 2022PECOS EnrolledAccepts Medicare Assignment
255 W LANCASTER AVE, PAOLI, PA 19301(484) 565-1000 Get Directions Write a Review

NPPES record last updated: December 16, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1063124477
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameHOLLY MARKS
Location Address255 W LANCASTER AVEPaoli, PA 19301-1763
Mailing Address255 W Lancaster AvePaoli, PA 19301-1763
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateDecember 16, 2022
NPPES CertifiedDecember 16, 2022
✔ NPI 1063124477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in PA · SP026771
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
255 W LANCASTER AVE, Paoli, PA 19301

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.

PECOS PAC ID7315319696
PECOS Enrollment IDI20250603000192
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 Holly Marks reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
3803 WEST CHESTER PIKE, H BLDG SUITE 160
Newtown Square, PA 19073
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,638 clinicians in this Medicare group
Family Medicine
501 W 14TH ST, WILMINGTON HOSPITAL HEALTH CENTER
Wilmington, DE 19801
  • Reassigned Medicare billing, Delaware enrollment
  • Also billed through NPI 1245474329 (Delaware)
  • 310 clinicians in this Medicare group
Family Medicine
501 W 14TH ST
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.

New Patient
$92.69 typical visit price
range $59.88 – $180.99
Typical copayment $23.17 (range $14.97 – $45.24)
Most-billed visit code 99203
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
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 20

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

Nurse Practitioner (Acute Care)
255 W LANCASTER AVE
PAOLI, PA 19301
Physician Assistant
255 W LANCASTER AVE
PAOLI, PA 19301
Nurse Practitioner (Acute Care)
255 W LANCASTER AVE
PAOLI, PA 19301
Pediatrics
255 W LANCASTER AVE, MOB 1 STE 101
PAOLI, PA 19301
Hospitalist
255 W LANCASTER AVE
PAOLI, PA 19301
Anesthesiology
255 W LANCASTER AVE
PAOLI, PA 19301
Pediatrics
255 W LANCASTER AVE, MOB 1 SUITE 101
PAOLI, PA 19301
Hospitalist
255 W LANCASTER AVE
PAOLI, PA 19301

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.