Anshu Kumar Buttan

NPI 1093158891ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Los Angeles, CA

Internal Medicine, Endocrinology, Diabetes & Metabolism in Los Angeles, California, trained at University of California, Irvine, California College of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $2,682,249 for 4,413 claims, against $180,271 paid for services in 2024. Abbott Laboratories was the largest of 5 companies reporting payments in 2025, $1,070 in all, mostly food and beverage.

Overview

NPI	1093158891
Status	Active
Entity type	Individual
Sole proprietor	No
NPI issued	Apr 10, 2013
Last updated in NPPES	Sep 20, 2019

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	A136452	CA
Student in an Organized Health Care Education/Training Program	390200000X	—	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	415
Services billed	6,022 across 11 procedure codes
Paid by Medicare	$180,271

Part D prescriptions in 2024

Prescriptions (claims)	4,413 · 10,710 30-day fills
Patients	648
Total drug cost	$2,682,249
Generic share	44% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, Irvine, California College of Medicine
Graduation year	2013
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth