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
Mailing address2102 Harrisburg Pike, Lancaster, PA 17601-2644

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