Blake Lawrence Erdel, M.D.

NPI 1649431081ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Indianapolis, IN

Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Indianapolis, Indiana, trained at Indiana University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $2,633,565 for 5,841 claims, against $66,496 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $37.70 in payments in 2025, mostly education.

Overview

NPI	1649431081
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jun 18, 2008
Last updated in NPPES	Jul 5, 2023
Certified by provider	Jul 5, 2023

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	01068967A	IN
Internal Medicine	207R00000X	01068967A	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 - Endocrinology (IN)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	355
Services billed	1,498 across 16 procedure codes
Paid by Medicare	$66,496

Part D prescriptions in 2024

Prescriptions (claims)	5,841 · 14,021 30-day fills
Patients	602
Total drug cost	$2,633,565
Generic share	43% of claims

Medicare sources and data years

Education and affiliations

Medical school	Indiana University School of Medicine
Graduation year	2008
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth