MICHAEL JOHN LESER D.O.
NPI 1568697258
Family Medicine in York, PA
About Michael John Leser D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL JOHN LESER D.O. (NPI 1568697258) is an individual family medicine provider in York, Pennsylvania, licensed in Pennsylvania (OS014340) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with Wellspan York Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
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
Michael John Leser D.o. 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 Reassignment
Medicare enrollment records show Michael Leser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Middleburg, PA 17842
- Reassigned Medicare billing, Pennsylvania enrollment
- 357 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 18
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 Lititz
Acute Care Hospitals · Lititz, PALancaster General Hospital
Acute Care Hospitals · Lancaster, PAUpmc Memorial
Acute Care Hospitals · York, PAUpmc Hanover
Acute Care Hospitals · Hanover, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17402 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michael Leser's NPI number?
The NPI number for Michael Leser is 1568697258. It was assigned to this individual provider in the NPPES registry on May 25, 2009.
Where is Michael Leser located?
Michael Leser practices at 33 Cinema Dr, York, PA 17402. The listed phone number is (717) 755-2146.
What is Michael Leser's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Michael Leser enrolled in Medicare?
Yes. Michael Leser 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 organization bills Medicare for Michael Leser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Leser reassigns Medicare benefits to Family Practice Center, PC (Middleburg, 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 Michael Leser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Leser affiliated with any hospitals?
According to CMS data, Michael Leser is affiliated with Wellspan York Hospital, Upmc Lititz, Lancaster General Hospital, Upmc Memorial and Upmc Hanover.
When was this NPI record last updated?
The NPPES record for Michael Leser was last updated on December 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.