NPI Lens

Aaron Andrew Abrahamsen, M.D.

NPI 1427204023ActiveIndividual· Emergency Medicine· Chula Vista, CA

Emergency Medicine (M.D.) in Chula Vista, California, licensed in CA and IL, with an NPI issued in August 2008. 313 Medicare patients in 2024, $48,977 paid; nearly all of their 427 Part D prescriptions were generic (98%).

Overview

NPI1427204023
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 14, 2008
Last updated in NPPESFeb 2, 2010

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000XA107736CA
Student in an Organized Health Care Education/Training Program390200000XAC3890313M001IL

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 - Emergency Medicine (CA); Practitioner - Emergency Medicine (OR)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients313
Services billed516 across 14 procedure codes
Paid by Medicare$48,977

Part D prescriptions in 2024

Prescriptions (claims)427 · 437 30-day fills
Patients259
Total drug cost$4,541
Generic share98% of claims

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

Other emergency medicine physicians in Chula Vista

All 44 emergency medicine physicians in Chula Vista · All emergency medicine physicians in California