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Karen Heather Koser, MD

NPI 1861703787ActiveIndividual· Pediatrics, Developmental - Behavioral Pediatrics· Los Angeles, CA

Pediatrics, Developmental - Behavioral Pediatrics (MD) in Los Angeles, California, licensed in CA and NY, with an NPI issued in June 2010. Enrolled in Medicare as practitioner - pediatric medicine and practitioner - pediatric medicine.

Overview

NPI1861703787
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 24, 2010
Last updated in NPPESJan 19, 2023

Specialties and licenses

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 - Pediatric Medicine (CA); Practitioner - Pediatric Medicine (NY)

Medicare sources and data years

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

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