Skip to content

Marc I. Sandberg, MD

NPI 1770557837ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Flemington, NJ

Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Flemington, New Jersey, trained at Temple University School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $4,103,484 for 6,342 claims, against $106,467 paid for services in 2024. Novo Nordisk Inc was the largest of 35 companies reporting payments in 2025, $46,524 in all, mostly speaking and faculty fees.

Overview

NPI1770557837
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 15, 2006
Last updated in NPPESDec 24, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary207RE0101XMA07135000NJ

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 - Endocrinology (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients472
Services billed2,137 across 19 procedure codes
Paid by Medicare$106,467

Part D prescriptions in 2024

Prescriptions (claims)6,342 · 13,639 30-day fills
Patients682
Total drug cost$4,103,484
Generic share25% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTemple University School of Medicine
Graduation year1990
Medicare specialtyEndocrinology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$46,524 · 173 payments from 35 companies
  • 2024$84,177 · 243 payments from 32 companies

Top paying companies in 2025

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$37,910 · 20 payments
  • Honoraria$4,750 · 4 payments
  • Food and Beverage$2,924 · 134 payments
  • Travel and Lodging$935.84 · 14 payments
  • Education$4.21 · 1 payment

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

Other endocrinologists in Flemington

All endocrinologists in New Jersey