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Marissa Lara Ambron, D.O.

NPI 1518113570ActiveIndividual· Internal Medicine· Williamsport, PA

Internal Medicine (D.O.) in Williamsport, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 2008). In 2024 Medicare paid $46,478 for 313 patients, and Part D covered 234 of their prescriptions, 87% of them generic. Boehringer Ingelheim Pharmaceuticals, Inc. reported $113.40 in payments in 2024, mostly food and beverage.

Overview

NPI1518113570
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedAug 11, 2008
Last updated in NPPESJan 11, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XOS014928PA
Internal Medicine207R00000X0012720PA
Hospitalist208M00000XOS014928PA

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 - Internal Medicine (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients313
Services billed631 across 13 procedure codes
Paid by Medicare$46,478

Part D prescriptions in 2024

Prescriptions (claims)234 · 257 30-day fills
Patients104
Total drug cost$17,400
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolPhiladelphia College of Osteopathic Medicine
Graduation year2008
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$113.40 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Boehringer Ingelheim Pharmaceuticals, Inc.$113.401

What the 2024 payments were for

  • Food and Beverage$113.40 · 1 payment

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

Other Internal Medicine providers in Williamsport

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