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Helen Stosel, M.D.

NPI 1952337362ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Mission Viejo, CA

Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Mission Viejo, California, trained at University of California, Davis School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $935,660 for 3,680 claims, against $96,645 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $351.73 in all, mostly food and beverage.

Overview

NPI1952337362
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJun 25, 2006
Last updated in NPPESAug 27, 2024
Certified by providerAug 27, 2024

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Endocrinology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients309
Services billed896 across 13 procedure codes
Paid by Medicare$96,645

Part D prescriptions in 2024

Prescriptions (claims)3,680 · 8,739 30-day fills
Patients290
Total drug cost$935,660
Generic share65% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, Davis School of Medicine
Graduation year1988
Medicare specialtyEndocrinology
TelehealthOffers telehealth

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$351.73 · 16 payments from 9 companies
  • 2024$648.84 · 38 payments from 12 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$351.73 · 16 payments

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

Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Mission Viejo

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