Randall Alan Oyer, M.D.
Hematology & Oncology Physician · Lancaster, PA
Randall Alan Oyer, M.D. is a hematology & oncology physician with a practice address in Lancaster, Pennsylvania, and NPI 1457357899, issued on Jun 21, 2005. Check the license (Pennsylvania MD026800E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Randall Alan Oyer
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- MD026800E PA
G74216 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2102 Harrisburg Pike, Lancaster, PA 17604
- Phone
- (717) 544-3600
- Enumerated
- Jun 21, 2005
- Record last updated
- Aug 19, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (717) 544-3604
- Medicaid ID
- 1016541640001 PA
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →
Also registered at 2102 Harrisburg Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Gottlieb, M.D.Hematology & Oncology Physician1174501977
- Elizabeth Horenkamp, M.D.Hematology & Oncology Physician1386612778
- Samuel Kerr, M.D.Hematology & Oncology Physician1376511774
Verify Randall Alan Oyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD026800ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
31 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamoxifen Citrate16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $493.29
3 payments; by number, the most common kind was travel and lodging; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Randall Alan Oyer among 784 hematology & oncology physician records in Pennsylvania
Randall Alan Oyer, M.D. is one of 784 hematology & oncology physician records with a practice address in Pennsylvania. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Pennsylvania
There are 784 hematology & oncology physician records in Pennsylvania.
All 784 in Pennsylvania → Every provider in Lancaster → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Robert Gottlieb, M.D.Lancaster, PA 176041174501977
- Elizabeth Horenkamp, M.D.Lancaster, PA 176041386612778
- Samuel Kerr, M.D.Lancaster, PA 176041376511774
- Tarig Ahmed, MDLancaster, PA 176031669705471
- H Degreen, MDLancaster, PA 176051497742183
- Daniel Forman, DOLancaster, PA 176031780633941
- Joan Kane, MDLancaster, PA 176051538156161
- Namratha Kodali, MDLancaster, PA 176031326489295
Common questions
What is Randall Alan Oyer, M.D.'s NPI number?
Randall Alan Oyer, M.D.'s National Provider Identifier (NPI) is 1457357899, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Randall Alan Oyer, M.D. located?
The NPPES record lists a practice address at 2102 Harrisburg Pike, Lancaster, PA, 17604. Phone: (717) 544-3600. Providers update this record themselves, so call before visiting.
How can I verify Randall Alan Oyer, M.D.'s license?
NPPES lists Pennsylvania license number MD026800E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Randall Alan Oyer, M.D. prescribe under Medicare Part D?
In 2024, Randall Alan Oyer, M.D. had 31 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.