NPI Lens

Roger L. Greiger, M.D.

NPI 1427015627ActiveIndividual· Psychiatry & Neurology, Psychiatry· Everett, MA

Psychiatry & Neurology, Psychiatry (M.D.) with Mass General Brigham Medical Group Suburban Massachusetts Inc, practicing in Everett, Massachusetts. 28 Medicare patients in 2024, $11,436 paid; nearly all of their 55 Part D prescriptions were generic (98%).

Overview

NPI1427015627
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 1, 2006
Last updated in NPPESJul 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Psychiatry & Neurology, Psychiatry Primary2084P0800X223394MA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Psychiatry (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients28
Services billed194 across 6 procedure codes
Paid by Medicare$11,436

Part D prescriptions in 2024

Prescriptions (claims)55 · 55 30-day fills
Patients11
Total drug cost$4,255
Generic share98% of claims

Medicare sources and data years

Education and affiliations

Graduation year1993
Medicare specialtyPsychiatry

Medical group

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

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