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Michael John Leser, D.O.

NPI 1568697258ActiveIndividual· Family Medicine· York, PA

Family Medicine (D.O.) in York, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $1,206,450 for 18,757 claims, against $414,493 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 25 companies reporting payments in 2025, $2,691 in all, mostly food and beverage.

Overview

NPI1568697258
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorYes
NPI issuedMay 25, 2009
Last updated in NPPESDec 5, 2022
Certified by providerDec 2, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000XOS014340PA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Family Practice (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients656
Services billed4,716 across 66 procedure codes
Paid by Medicare$414,493

Part D prescriptions in 2024

Prescriptions (claims)18,757 · 25,672 30-day fills
Patients857
Total drug cost$1,206,450
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolPhiladelphia College of Osteopathic Medicine
Graduation year2006
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,691 · 134 payments from 25 companies
  • 2024$3,137 · 164 payments from 23 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$530.2330
Lilly USA, LLC$526.0126
Abbvie Inc.$265.8512
Novo Nordisk Inc$243.2312
Pfizer Inc.$138.889

What the 2025 payments were for

  • Food and Beverage$2,649 · 133 payments
  • Education$42.50 · 1 payment

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Family Medicine providers in York

All Family Medicine providers in Pennsylvania →