John D. Carmichael, MD

NPI 1396818241ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Los Angeles, CA

Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Los Angeles, California, trained at Virginia Commonwealth University, School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $477,945 for 1,100 claims, against $12,230 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $13,234 in all, mostly consulting fees.

Overview

NPI	1396818241
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Nov 16, 2006
Last updated in NPPES	Nov 27, 2023
Certified by provider	Aug 19, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	A92204	CA
Internal Medicine	207R00000X	A92204	CA

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 - Endocrinology (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	114
Services billed	251 across 9 procedure codes
Paid by Medicare	$12,230

Part D prescriptions in 2024

Prescriptions (claims)	1,100 · 1,960 30-day fills
Patients	111
Total drug cost	$477,945
Generic share	72% of claims

Medicare sources and data years

Education and affiliations

Medical school	Virginia Commonwealth University, School of Medicine
Graduation year	1998
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth