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Daniel L. Loiselle, MD

NPI 1316906589ActiveIndividual· Internal Medicine· Portland, ME

Internal Medicine (MD) in Portland, Maine, trained at Geisel School of Medicine at Dartmouth (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,271,011 for 8,646 claims, against $373,723 paid for services in 2024.

Overview

NPI1316906589
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 17, 2006
Last updated in NPPESMar 16, 2026
Certified by providerMar 16, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X014644ME

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 (ME)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,449
Services billed7,328 across 119 procedure codes
Paid by Medicare$373,723

Part D prescriptions in 2024

Prescriptions (claims)8,646 · 21,897 30-day fills
Patients614
Total drug cost$1,271,011
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeisel School of Medicine at Dartmouth
Graduation year1995
Medicare specialtyInternal Medicine

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine providers in Portland

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