GLENN B. MIESZKALSKI
NPI 1043325657
Radiology - Radiation Oncology in Harrisburg, PA
About Glenn B. Mieszkalski NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GLENN B. MIESZKALSKI (NPI 1043325657) is an individual radiation oncology provider in Harrisburg, Pennsylvania, licensed in Pennsylvania (MD049823L) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Wellspan York Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Glenn B. Mieszkalski is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Glenn Mieszkalski reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Harrisburg, PA 17109
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,902 clinicians in this Medicare group
Harrisburg, PA 17104
- Reassigned Medicare billing, Pennsylvania enrollment
- 468 clinicians in this Medicare group
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Lancaster Urology PC
- 14 clinicians in this Medicare group
Lancaster, PA 17601
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: The Centers For Advanced Urology LLP
- 146 clinicians in this Medicare group
Natrona Heights, PA 15065
- Reassigned Medicare billing, Pennsylvania enrollment
- 101 clinicians in this Medicare group
Beaufort, SC 29902
- Reassigned Medicare billing, South Carolina enrollment
- 11 clinicians in this Medicare group
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 15
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellspan York Hospital
Acute Care Hospitals · York, PAUpmc Pinnacle Hospitals
Acute Care Hospitals · Harrisburg, PAUpmc Memorial
Acute Care Hospitals · York, PAUpmc Hanover
Acute Care Hospitals · Hanover, PABeaufort County Memorial Hospital
Acute Care Hospitals · Beaufort, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
HARRISBURG, PA 17109
HARRISBURG, PA 17109
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 Glenn Mieszkalski's NPI number?
The NPI number for Glenn Mieszkalski is 1043325657. It was assigned to this individual provider in the NPPES registry on August 21, 2006.
Where is Glenn Mieszkalski located?
Glenn Mieszkalski practices at 4300 Londonderry Rd Lowr Level, Harrisburg, PA 17109. The listed phone number is (717) 724-6740.
What is Glenn Mieszkalski's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Glenn Mieszkalski enrolled in Medicare?
Yes. Glenn Mieszkalski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Glenn Mieszkalski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Glenn Mieszkalski reassigns Medicare benefits to 6 organizations: Pinnacle Health Medical Services (Harrisburg, PA), Pinnacle Health Regional Physicians (Harrisburg, PA), Alliance Physician Services PC (Lancaster, PA), Alliance Physician Services, PC (Lancaster, PA), University Of Pittsburgh Cancer Institute Cancer Services (Natrona Heights, PA) and 1 more organization, listed in the Medicare section above. Each 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 Glenn Mieszkalski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Glenn Mieszkalski accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care, Ambetter from Buckeye Health Plan and Ambetter of North Carolina and 1 other insurer list Glenn Mieszkalski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Glenn Mieszkalski affiliated with any hospitals?
According to CMS data, Glenn Mieszkalski is affiliated with Wellspan York Hospital, Upmc Pinnacle Hospitals, Upmc Memorial, Upmc Hanover and Beaufort County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Glenn Mieszkalski was last updated on January 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.