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Erin Marie Forster, M.D.

NPI 1972894376ActiveIndividual· Internal Medicine, Gastroenterology· Charleston, SC

Internal Medicine, Gastroenterology (M.D.) in Charleston, South Carolina, trained at University of Miami, Lm Miller School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $8,468,629 for 781 claims, against $53,735 paid for services in 2024. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $192,797 in all, mostly speaking and faculty fees.

Overview

NPI1972894376
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 20, 2011
Last updated in NPPESNov 12, 2018

Specialties and licenses

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 - Gastroenterology (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients199
Services billed538 across 51 procedure codes
Paid by Medicare$53,735

Part D prescriptions in 2024

Prescriptions (claims)781 · 1,147 30-day fills
Patients138
Total drug cost$8,468,629
Generic share38% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Miami, Lm Miller School of Medicine
Graduation year2011
Medicare specialtyGastroenterology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$192,797 · 104 payments from 7 companies
  • 2024$164,451 · 139 payments from 6 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$64,54732
Genentech, Inc.$60,90413
Janssen Biotech, Inc.$60,60045
Pfizer Inc.$6,3968
Lilly USA, LLC$155.113

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$147,726 · 25 payments
  • Travel and Lodging$29,045 · 19 payments
  • Consulting Fee$13,225 · 5 payments
  • Food and Beverage$2,801 · 55 payments

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

Other Internal Medicine, Gastroenterology providers in Charleston

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