Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory Harper, MD

Individual provider Hematology & Oncology Physician · NPI 1104877232

Gregory Harper, MD is a Hematology & Oncology Physician in Allentown, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1240 S Cedar Crest Blvd Ste 401
Allentown, PA 18103-6369
Phone: (610) 402-7880
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD059620L (PA)

Record details

NPI number1104877232
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 13, 2006
Last updated in NPPESNovember 19, 2015

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