Skip to content

Devi Jane De Guzman Asuncion, MD

NPI 1538367875ActiveIndividual· Internal Medicine, Hematology & Oncology· Anaheim, CA

Internal Medicine, Hematology & Oncology (MD) with Southern California Permanente Medical Group, practicing in Anaheim, California. Part D covered 1,514 prescriptions written in 2024, 72% of them generic.

Overview

NPI1538367875
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJul 9, 2007
Last updated in NPPESNov 29, 2021
Certified by providerNov 29, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003XA82602CA

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)

Part D prescriptions in 2024

Prescriptions (claims)1,514 · 2,457 30-day fills
Patients239
Total drug cost$5,051,186
Generic share72% of claims

Medicare sources and data years

Education and affiliations

Graduation year2001
Medicare specialtyInternal Medicine
Secondary specialtiesHematology/Oncology

Medical group

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, Hematology & Oncology providers in Anaheim

All Internal Medicine, Hematology & Oncology providers in California →