James Dalton Boyer, DO

NPI 1801452073ActiveIndividual· Internal Medicine· Wheaton, IL

Internal Medicine (DO) in Wheaton, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $96,309 for 1,412 claims, against $62,745 paid for services in 2024. Exact Sciences Corporation was the largest of 4 companies reporting payments in 2025, $174.24 in all, mostly food and beverage.

Overview

NPI	1801452073
Status	Active
Entity type	Individual
Credential	DO
Sole proprietor	No
NPI issued	May 14, 2019
Last updated in NPPES	Sep 15, 2023
Certified by provider	Sep 15, 2023

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	036-165833	IL

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 - Internal Medicine (IL)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	350
Services billed	1,650 across 83 procedure codes
Paid by Medicare	$62,745

Part D prescriptions in 2024

Prescriptions (claims)	1,412 · 2,808 30-day fills
Patients	389
Total drug cost	$96,309
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Medical school	Midwestern University, Chicago College of Osteopathic Med
Graduation year	2019
Medicare specialty	Internal Medicine
Telehealth	Offers telehealth