James Rex Miller III, M.D

NPI 1861503468ActiveIndividual· Internal Medicine, Geriatric Medicine· Chicago, IL

Internal Medicine, Geriatric Medicine (M.D) in Chicago, Illinois, trained at University of Utah School of Medicine (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $428,178 for 4,731 claims, against $128,867 paid for services in 2024. Organogenesis Inc. reported $39.99 in payments in 2025, mostly food and beverage.

Overview

NPI	1861503468
Status	Active
Entity type	Individual
Credential	M.D
Sole proprietor	No
NPI issued	Aug 31, 2006
Last updated in NPPES	May 8, 2013

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Geriatric Medicine Primary	207RG0300X	036050110	IL
Psychiatry & Neurology, Neurology	2084N0400X	01035142A	IN

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

Medicare services in 2024

Medicare patients	193
Services billed	2,514 across 27 procedure codes
Paid by Medicare	$128,867

Part D prescriptions in 2024

Prescriptions (claims)	4,731 · 6,283 30-day fills
Patients	140
Total drug cost	$428,178
Generic share	84% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Utah School of Medicine
Graduation year	1973
Medicare specialty	Geriatric Medicine
Secondary specialties	Family Practice, General Practice
Telehealth	Offers telehealth