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Michelle Rullan Johnson, MD

NPI 1114285905ActiveIndividual· Internal Medicine, Geriatric Medicine· Cambridge, MA

Internal Medicine, Geriatric Medicine (MD) in Cambridge, Massachusetts, trained at New York University School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $479,503 for 5,848 claims, against $51,441 paid for services in 2024. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.

Overview

NPI1114285905
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedApr 30, 2012
Last updated in NPPESDec 19, 2025
Certified by providerDec 19, 2025

Specialties and licenses

About license numbers in NPPES

Exclusion screening

Possible match: verify before acting. The OIG list has a record with the same name in Massachusetts, but that record carries no NPI, so it may be a different person or business.

Matched byName on OIG listExclusion typeExcluded sinceLocation
Name + stateMichelle Ruth Johnson · Nurse/Nurses Aide1128b4Dec 20, 2004Lynn, MA
ListResultDetails
HHS-OIG LEIE · Nov 10, 2026Possible (name)See above
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 - Geriatric Medicine (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients112
Services billed481 across 6 procedure codes
Paid by Medicare$51,441

Part D prescriptions in 2024

Prescriptions (claims)5,848 · 6,182 30-day fills
Patients171
Total drug cost$479,503
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNew York University School of Medicine
Graduation year2012
Medicare specialtyGeriatric Medicine
Secondary specialtiesFamily Practice

Medical groups

Hospital affiliations

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 geriatricians in Cambridge

All geriatricians in Massachusetts