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

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

Q: 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.

Q: What is Christopher Holroyde's specialty?

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

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: August 16, 2026.

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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.

DANA A DEVANEY DO

Pediatrics

824 MAIN ST, SUITE 100A
PHOENIXVILLE, PA 19460

Chester County (610) 935-1330

JANINE MASSA DARBY MD

Family Medicine

824 MAIN ST, SUITE 100
PHOENIXVILLE, PA 19460

Chester County (610) 935-7300

KAREN REAL AUDIOLOGIST

Audiologist-Hearing Aid Fitter

824 MAIN ST, SUITE 201
PHOENIXVILLE, PA 19460

Chester County (610) 415-1100

POCHAU ANNE TSOI MD

Pediatrics

824 MAIN ST, SUITE 100A
PHOENIXVILLE, PA 19460

Chester County (610) 935-1330

GUS SPECTOR MD

Urology

824 MAIN ST, SUITE 203
PHOENIXVILLE, PA 19460

Chester County (610) 933-1133

JACQULINE DIBLASIO M.D.

Internal Medicine

824 MAIN ST, SUITE 100
PHOENIXVILLE, PA 19460

Chester County (610) 933-8000

TANYA L SMITH PA-C

Clinical Nurse Specialist

824 MAIN ST, SUITE 307
PHOENIXVILLE, PA 19460

Chester County (610) 933-3182

LULA AHMED SAID MD, MSC

Student in an Organized Health Care Education/Training Program

824 MAIN ST, MOB I, SUITE 206
PHOENIXVILLE, PA 19460

Chester County (610) 983-1133

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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.