John James McAnelly, MD

NPI 1538480165ActiveIndividual· Hospitalist· Naperville, IL

Hospitalist (MD) in Naperville, Illinois, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2010). 487 Medicare patients in 2024, $106,229 paid; nearly all of their 262 Part D prescriptions were generic (90%). Indivior Inc. was the largest of 2 companies reporting payments in 2025, $32.60 in all, mostly food and beverage.

Overview

NPI	1538480165
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jun 17, 2010
Last updated in NPPES	Mar 22, 2021
Certified by provider	Mar 22, 2021

Specialties and licenses

Taxonomy	Code	License	State
Hospitalist Primary	208M00000X	036131886	IL
Internal Medicine	207R00000X	125-057979	IL
Internal Medicine	207R00000X	036131886	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	487
Services billed	1,219 across 16 procedure codes
Paid by Medicare	$106,229

Part D prescriptions in 2024

Prescriptions (claims)	262 · 277 30-day fills
Patients	140
Total drug cost	$13,447
Generic share	90% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Iowa, Rj & L Carver College of Medicine
Graduation year	2010
Medicare specialty	Internal Medicine
Secondary specialties	Addiction Medicine