Ronald Vanderlaan, MD

NPI 1447299599ActiveIndividual· Internal Medicine, Cardiovascular Disease· Grand Rapids, MI

Internal Medicine, Cardiovascular Disease (MD) in Grand Rapids, Michigan, trained at University of Michigan Medical School (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $2,162,600 for 8,696 claims, against $195,982 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 26 companies reporting payments in 2025, $2,415 in all, mostly food and beverage.

Overview

NPI	1447299599
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	Yes
NPI issued	Jun 5, 2006
Last updated in NPPES	Dec 17, 2021
Certified by provider	Dec 17, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Cardiovascular Disease Primary	207RC0000X	4301046234	MI

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 - Cardiovascular Disease (Cardiology) (MI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	476
Services billed	6,698 across 52 procedure codes
Paid by Medicare	$195,982

Part D prescriptions in 2024

Prescriptions (claims)	8,696 · 22,580 30-day fills
Patients	1,288
Total drug cost	$2,162,600
Generic share	79% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Michigan Medical School
Graduation year	1982
Medicare specialty	Cardiovascular Disease (Cardiology)
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth