Lars P. Andersen Jr., D.O.

NPI 1902835309ActiveIndividual· Family Medicine· Saint Johns, MI

Family Medicine (D.O.) in Saint Johns, Michigan, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $565,313 for 5,237 claims, against $42,626 paid for services in 2024. Regeneron Healthcare Solutions, Inc. reported $35.04 in payments in 2025, mostly food and beverage.

Overview

NPI	1902835309
Status	Active
Entity type	Individual
Credential	D.O.
Sole proprietor	No
NPI issued	Jun 30, 2006
Last updated in NPPES	Aug 11, 2016

Specialties and licenses

Taxonomy	Code	License	State
Family Medicine Primary	207Q00000X	5101006728	MI

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Family Practice (MI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	188
Services billed	1,899 across 70 procedure codes
Paid by Medicare	$42,626

Part D prescriptions in 2024

Prescriptions (claims)	5,237 · 12,225 30-day fills
Patients	620
Total drug cost	$565,313
Generic share	87% of claims

Medicare sources and data years

Education and affiliations

Medical school	At Still University of Health Sciences, College of Osteo Med, Kirksville
Graduation year	1974
Medicare specialty	Family Practice
Telehealth	Offers telehealth