Madeleine V. Pahl, MD

NPI 1992885131ActiveIndividual· Internal Medicine, Nephrology· Orange, CA

Internal Medicine, Nephrology (MD) in Orange, California, trained at University of California, Irvine, California College of Medicine (class of 1978). Mostly services rather than prescriptions: Medicare paid $11,739 for 80 patients in 2024, with only 43 Part D claims. Diality Inc. was the largest of 3 companies reporting payments in 2025, $862.42 in all, mostly consulting fees.

Overview

NPI	1992885131
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Oct 16, 2006
Last updated in NPPES	Feb 14, 2008

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Nephrology Primary	207RN0300X	000000G40573	CA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	80
Services billed	175 across 8 procedure codes
Paid by Medicare	$11,739

Part D prescriptions in 2024

Prescriptions (claims)	43 · 95 30-day fills
Patients	19
Total drug cost	$5,195
Generic share	91% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, Irvine, California College of Medicine
Graduation year	1978
Medicare specialty	Internal Medicine
Secondary specialties	Nephrology
Telehealth	Offers telehealth