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Sonja Stumme Krafcik, MD

NPI 1598767170ActiveIndividual· Internal Medicine· Laguna Niguel, CA

Internal Medicine (MD) in Laguna Niguel, California, trained at Baylor College of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,023,369 for 9,823 claims, against $75,178 paid for services in 2024.

Overview

NPI1598767170
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedAug 12, 2005
Last updated in NPPESJul 9, 2014

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XC51621CA

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 - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients260
Services billed988 across 26 procedure codes
Paid by Medicare$75,178

Part D prescriptions in 2024

Prescriptions (claims)9,823 · 22,038 30-day fills
Patients614
Total drug cost$1,023,369
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBaylor College of Medicine
Graduation year1990
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Hospital affiliations

Other facilities

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 providers in Laguna Niguel

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