Boris Ramiro Larreta, MD

NPI 1891888327ActiveIndividual· Internal Medicine, Cardiovascular Disease· Burbank, CA

Internal Medicine, Cardiovascular Disease (MD) in Burbank, California, trained at University of Minnesota Medical School (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,192,368 for 7,349 claims, against $285,658 paid for services in 2024. Medtronic, Inc. was the largest of 11 companies reporting payments in 2025, $1,317 in all, mostly food and beverage.

Overview

NPI	1891888327
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Oct 2, 2006
Last updated in NPPES	Jul 1, 2015

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Cardiovascular Disease Primary	207RC0000X	G49084	CA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	1,256
Services billed	3,482 across 50 procedure codes
Paid by Medicare	$285,658

Part D prescriptions in 2024

Prescriptions (claims)	7,349 · 16,902 30-day fills
Patients	897
Total drug cost	$1,192,368
Generic share	85% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Minnesota Medical School
Graduation year	1981
Medicare specialty	Cardiovascular Disease (Cardiology)
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth