Skip to content

Marcus George Connelly, MD

NPI 1295703577ActiveIndividual· Dermatology· Modesto, CA

Dermatology (MD) in Modesto, California, trained at Johns Hopkins University School of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $851,438 for 1,291 claims, against $109,992 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 11 companies reporting payments in 2025, $1,326 in all, mostly food and beverage.

Overview

NPI1295703577
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 10, 2006
Last updated in NPPESNov 1, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000XC50251CA

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 - Dermatology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients717
Services billed2,059 across 33 procedure codes
Paid by Medicare$109,992

Part D prescriptions in 2024

Prescriptions (claims)1,291 · 1,538 30-day fills
Patients462
Total drug cost$851,438
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Medical schoolJohns Hopkins University School of Medicine
Graduation year1980
Medicare specialtyDermatology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,326 · 45 payments from 11 companies
  • 2024$2,191 · 62 payments from 14 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,258 · 40 payments
  • Education$67.85 · 5 payments

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

Other Dermatology providers in Modesto

All Dermatology providers in California →