DR. HAROLD GEORGE MARKS MD
NPI 1285687558
Pediatrics - Neurodevelopmental Disabilities in Philadelphia, PA

Active since May 18, 2006
ST CHRISTOPHER'S HOSPITAL FO, ERIE AVENUE AT FRONT STREET, PHILADELPHIA, PA 19134(215) 427-5464(215) 427-4393 Get Directions Write a Review

NPPES record last updated: July 31, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Harold George Marks Md NPPES

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

DR. HAROLD GEORGE MARKS MD (NPI 1285687558) is an individual neurodevelopmental disabilities provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD020702E) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1285687558
Entity TypeIndividualMale
Primary Taxonomy2080P0008X
Provider Legal NameDR. HAROLD GEORGE MARKSCredential: MD
Location AddressST CHRISTOPHER'S HOSPITAL FO, ERIE AVENUE AT FRONT STREETPhiladelphia, PA 19134-1095
Mailing AddressErie Ave At Frong St, St. Christopher's Hospital For ChildrenPhiladelphia, PA 19134-1095 · (215) 427-5464
Fax(215) 427-4393
Sole ProprietorNo
Enumeration DateMay 18, 2006
Last NPPES UpdateJuly 31, 2007
NPI 1285687558 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Neurodevelopmental DisabilitiesAllopathic & Osteopathic Physicians
Taxonomy Code2080P0008X
License Licensed in PA · MD020702E
Definition
A pediatrician who specializes in the treatment of individuals with developmental delays and learning disorders associated with cerebral palsy, spina bifida, autism, and other chronic neurologic conditions.
ST CHRISTOPHER'S HOSPITAL FO, Philadelphia, PA 19134

Other Identifiers 3

Medicare ID-Type Unspecified046357PA
Medicaid0012010590007PA
Medicare UPINF04113PA

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 Harold Marks's NPI number?

The NPI number for Harold Marks is 1285687558. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Harold Marks located?

Harold Marks practices at St Christopher's Hospital Fo Erie Avenue At Front Street, Philadelphia, PA 19134. The listed phone number is (215) 427-5464.

What is Harold Marks's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neurodevelopmental Disabilities, with taxonomy code 2080P0008X.

When was this NPI record last updated?

The NPPES record for Harold Marks was last updated on July 31, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.