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Ricardo Leo Wellisch, M.D.

NPI 1952364861ActiveIndividual· Internal Medicine· Cambridge, MA

Internal Medicine (M.D.) in Cambridge, Massachusetts, trained at George Washington University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $774,913 for 6,379 claims, against $159,611 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $29.53 in payments in 2025, mostly food and beverage.

Overview

NPI1952364861
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 11, 2006
Last updated in NPPESNov 1, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X81021MA

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 - Internal Medicine (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients349
Services billed2,620 across 42 procedure codes
Paid by Medicare$159,611

Part D prescriptions in 2024

Prescriptions (claims)6,379 · 14,176 30-day fills
Patients442
Total drug cost$774,913
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeorge Washington University School of Medicine
Graduation year1993
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$29.53 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$29.531

What the 2025 payments were for

  • Food and Beverage$29.53 · 1 payment

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

Other internal medicine physicians in Cambridge

All 315 internal medicine physicians in Cambridge · All internal medicine physicians in Massachusetts