David Yenbohr Lou, M.D., PH.D.

NPI 1477729861ActiveIndividual· Internal Medicine, Hematology & Oncology· Irvine, CA

Internal Medicine, Hematology & Oncology (M.D., PH.D.) in Irvine, California, trained at Boston University School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $7,128,344 for 2,639 claims, against $21,876 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $96.32 in payments in 2025, mostly food and beverage.

Overview

NPI	1477729861
Status	Active
Entity type	Individual
Credential	M.D., PH.D.
Sole proprietor	No
NPI issued	May 5, 2008
Last updated in NPPES	Nov 30, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Hematology & Oncology Primary	207RH0003X	A111343	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 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 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	11
Services billed	1,847 across 27 procedure codes
Paid by Medicare	$21,876

Part D prescriptions in 2024

Prescriptions (claims)	2,639 · 3,920 30-day fills
Patients	311
Total drug cost	$7,128,344
Generic share	80% of claims

Medicare sources and data years

Education and affiliations

Medical school	Boston University School of Medicine
Graduation year	2007
Medicare specialty	Internal Medicine
Secondary specialties	Hematology, Medical Oncology