Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Holly Marks
Nurse Practitioner in Paoli, PA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1063124477
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Registry record
Entity type Individual (Type 1)
Name Holly Marks
Sex Female
Practice address 255 W Lancaster Ave, Paoli, PA, 19301
Phone (484) 565-1000
Enumeration date Dec 16, 2022
Last updated in NPPES Dec 16, 2022
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP026771 (PA) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Holly Marks practice?
The practice location on file with NPPES is in Paoli, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Holly Marks?
The National Provider Identifier (NPI) for Holly Marks is 1063124477, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Victoriya Hageney Internal Medicine Physician · Paoli, PA NPI 1679576144 Michael Harkness Pediatrics Physician · Paoli, PA NPI 1700882636 Gregory Thompson Urology Physician · Paoli, PA NPI 1063410702 David Trevino Internal Medicine Physician · Paoli, PA NPI 1215918990 Christine Szarka Hematology & Oncology Physician · Paoli, PA NPI 1356323471 John Babinecz Pediatrics Physician · Paoli, PA NPI 1609855014 Damian Cornacchia Internal Medicine Physician · Paoli, PA NPI 1417936550 Michael Dabrow Hematology & Oncology Physician · Paoli, PA NPI 1205806551
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-16.