Preethika Subashini Ekanayake, M.D.

NPI 1083922462ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· San Diego, CA

Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in San Diego, California, trained at University of California, Davis School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $999,080 for 1,562 claims, against $55,603 paid for services in 2024. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $30.20 in all, mostly food and beverage.

Overview

NPI	1083922462
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Sep 19, 2010
Last updated in NPPES	Oct 11, 2021
Certified by provider	Oct 11, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	A126503	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	388
Services billed	893 across 23 procedure codes
Paid by Medicare	$55,603

Part D prescriptions in 2024

Prescriptions (claims)	1,562 · 3,357 30-day fills
Patients	312
Total drug cost	$999,080
Generic share	39% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, Davis School of Medicine
Graduation year	2012
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth