Skip to content

Donald N Forthal, MD

NPI 1215017363ActiveIndividual· Internal Medicine, Infectious Disease· Orange, CA

Internal Medicine, Infectious Disease (MD) with Uc Regents, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $811,867 for 333 claims, against $13,217 paid for services in 2024. Lists Uci Health-Orange as a hospital affiliation.

Overview

NPI1215017363
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 16, 2006
Last updated in NPPESJan 15, 2008

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Infectious Disease Primary207RI0200X000000G44065CA

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 - Infectious Disease (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients99
Services billed177 across 13 procedure codes
Paid by Medicare$13,217

Part D prescriptions in 2024

Prescriptions (claims)333 · 390 30-day fills
Patients38
Total drug cost$811,867
Generic share34% of claims

Medicare sources and data years

Education and affiliations

Graduation year1979
Medicare specialtyInfectious Disease
TelehealthOffers telehealth

Medical group

Hospital affiliation

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 Internal Medicine, Infectious Disease providers in Orange

All Internal Medicine, Infectious Disease providers in California →