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RANDALL ALAN OYER M.D.
NPI 1457357899
Internal Medicine - Hematology & Oncology in Lancaster, PA

Active since June 21, 2005PECOS Enrolled
2102 HARRISBURG PIKE, LANCASTER, PA 17604(717) 544-3600(717) 544-3604 Get Directions Write a Review

NPPES record last updated: August 19, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Randall Alan Oyer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RANDALL ALAN OYER M.D. (NPI 1457357899) is an individual hematology & oncology provider in Lancaster, Pennsylvania, licensed in Pennsylvania (MD026800E) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457357899
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameRANDALL ALAN OYERCredential: M.D.
Location Address2102 HARRISBURG PIKELancaster, PA 17604-3200
Mailing Address2102 Harrisburg PikeLancaster, PA 17601-2644 · (717) 544-3600 · Fax (717) 544-3604
Phone(717) 544-3600
Fax(717) 544-3604
Sole ProprietorNo
Enumeration DateJune 21, 2005
Last NPPES UpdateAugust 19, 2007
✔ NPI 1457357899 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in PA · MD026800E✔ Licensed in CA · G74216
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.
2102 HARRISBURG PIKE, Lancaster, PA 17604
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Other Identifiers 10

Other107751 4336PA · Geisinger Health Plan
Other50060213PA · Capital Blue Cross
Other422096PA · Highmark Blue Shield
Medicaid1016541640001PA
Other4084546PA · Aetna Non-hmo
OtherB41537PA · Health America
Other1429984PA · Aetna Hmo
Other1556120PA · Gateway Health Plan
Medicare PIN422096EZRPA
Medicare UPINB41537PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Randall Alan Oyer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Randall Oyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lancaster General Medical Group
Same address
Surgery
2102 HARRISBURG PIKE
Lancaster, PA 17601
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 727 clinicians in this Medicare group
NPI 1265286009 (717) 544-9400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
20 services19 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
18 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$166.87 typical visit price
range $54.64 – $166.87
Typical copayment $41.71 (range $13.66 – $41.71)
Most-billed visit code 99205
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ROBERT J GOTTLIEB M.D.
Internal Medicine (Hematology & Oncology)
2102 HARRISBURG PIKE
LANCASTER, PA 17604
Lancaster County (717) 544-3600
SAMUEL J KERR M.D.
Internal Medicine (Hematology & Oncology)
2102 HARRISBURG PIKE
LANCASTER, PA 17604
Lancaster County (717) 544-3600
ELIZABETH C HORENKAMP M.D.
Internal Medicine (Hematology & Oncology)
2102 HARRISBURG PIKE
LANCASTER, PA 17604
Lancaster County (717) 544-3600

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 Randall Oyer's NPI number?

The NPI number for Randall Oyer is 1457357899. It was assigned to this individual provider in the NPPES registry on June 21, 2005.

Where is Randall Oyer located?

Randall Oyer practices at 2102 Harrisburg Pike, Lancaster, PA 17604. The listed phone number is (717) 544-3600.

What is Randall Oyer's specialty?

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

Is Randall Oyer enrolled in Medicare?

Yes. Randall Oyer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Randall Oyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Randall Oyer reassigns Medicare benefits to Lancaster General Medical Group (Lancaster, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Randall Oyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Randall Oyer was last updated on August 19, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.