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

Individual provider Hematology & Oncology Physician · NPI 1457357899

Randall Alan Oyer, MD is a Hematology & Oncology Physician in Lancaster, Pennsylvania. Licensed in California and Pennsylvania. Registered with an NPI since 2005.

Licensed in
CA, PA
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2102 Harrisburg Pike
Lancaster, PA 17604-3200
Phone: (717) 544-3600
Fax: (717) 544-3604
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD026800E (PA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence G74216 (CA)

Record details

NPI number1457357899
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2005
Last updated in NPPESAugust 19, 2007

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