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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CHARLES ALAN BLOCK M.D.
NPI 1073501581
Pediatrics in Horsham, PA

Active since October 10, 2005
405 CAREDEAN DR, SUITE J, HORSHAM, PA 19044(215) 441-9710(215) 441-9288 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Charles Alan Block M.d. NPPES

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

DR. CHARLES ALAN BLOCK M.D. (NPI 1073501581) is an individual pediatrics provider in Horsham, Pennsylvania, licensed in Pennsylvania (MD043186E) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1073501581
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. CHARLES ALAN BLOCKCredential: M.D.
Location Address405 CAREDEAN DR, SUITE JHorsham, PA 19044-1301
Mailing Address405 Caredean Dr, Suite JHorsham, PA 19044-1301 · (215) 441-9710 · Fax (215) 441-9288
Phone(215) 441-9710
Fax(215) 441-9288
Sole ProprietorNo
Enumeration DateOctober 10, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1073501581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in PA · MD043186E
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
405 CAREDEAN DR, Horsham, PA 19044
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Other Providers at the Same Location NPPES 3

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

DR. JENNIFER ANN OBRIEN MD
Pediatrics
405 CAREDEAN DR, SUITE J
HORSHAM, PA 19044
Montgomery County (215) 441-9710
DR. JAMES JOSEPH KOLLMAR JR. MD
Pediatrics
405 CAREDEAN DR, SUITE J
HORSHAM, PA 19044
Montgomery County (215) 441-9710
HORSHAM PEDIATRIC ASSOC PC
Pediatrics
405 CAREDEAN DR, SUITE J
HORSHAM, PA 19044
Montgomery County (215) 441-9710

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 Charles Block's NPI number?

The NPI number for Charles Block is 1073501581. It was assigned to this individual provider in the NPPES registry on October 10, 2005.

Where is Charles Block located?

Charles Block practices at 405 Caredean Dr Suite J, Horsham, PA 19044. The listed phone number is (215) 441-9710.

What is Charles Block's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Charles Block was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.