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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CHRISTOPHER P HOLROYDE M.D.
NPI 1609868348
Internal Medicine - Hematology & Oncology in Phoenixville, PA

Active since August 18, 2005
824 MAIN ST, SUITE 101, PHOENIXVILLE, PA 19460(610) 983-1800(610) 983-1799 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Christopher P Holroyde M.d. NPPES

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

CHRISTOPHER P HOLROYDE M.D. (NPI 1609868348) is an individual hematology & oncology provider in Phoenixville, Pennsylvania, licensed in Pennsylvania (MD030829L) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1609868348
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameCHRISTOPHER P HOLROYDECredential: M.D.
Location Address824 MAIN ST, SUITE 101Phoenixville, PA 19460-4478
Mailing Address824 Main St, Suite 101Phoenixville, PA 19460-4478 · (610) 983-1800 · Fax (610) 983-1799
Phone(610) 983-1800
Fax(610) 983-1799
Sole ProprietorNo
Enumeration DateAugust 18, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1609868348 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in PA · MD030829L
Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

824 MAIN ST, Phoenixville, PA 19460
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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.

ROBERT F GLENN JR. D.O.
Family Medicine
824 MAIN ST, STE 307
PHOENIXVILLE, PA 19460
Chester County (610) 933-3182
POCHAU ANNE TSOI MD
Pediatrics
824 MAIN ST, SUITE 100A
PHOENIXVILLE, PA 19460
Chester County (610) 935-1330
MAURICE ROZWAT MD
Pediatrics
824 MAIN ST, SUITE 100A
PHOENIXVILLE, PA 19460
Chester County (610) 935-1330
PETER D SMITH MD
Pediatrics
824 MAIN ST, SUITE 100A
PHOENIXVILLE, PA 19460
Chester County (610) 935-1330
CATHRYN MCWILLIAMS MD
Pediatrics
824 MAIN ST, SUITE 100A
PHOENIXVILLE, PA 19460
Chester County (610) 935-1330
JACQULINE DIBLASIO M.D.
Internal Medicine
824 MAIN ST, SUITE 100
PHOENIXVILLE, PA 19460
Chester County (610) 933-8000
GUS SPECTOR MD
Urology
824 MAIN ST, SUITE 203
PHOENIXVILLE, PA 19460
Chester County (610) 933-1133
VALLEY FORGE UROLOGICAL ASSN., P.C.
Urology
824 MAIN ST, SUITE 203
PHOENIXVILLE, PA 19460
Chester County (610) 933-1133

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 Christopher Holroyde's NPI number?

The NPI number for Christopher Holroyde is 1609868348. It was assigned to this individual provider in the NPPES registry on August 18, 2005.

Where is Christopher Holroyde located?

Christopher Holroyde practices at 824 Main St Suite 101, Phoenixville, PA 19460. The listed phone number is (610) 983-1800.

What is Christopher Holroyde's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Christopher Holroyde was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.