Jesslyn Jiaen Lu, M.D.

NPI 1225363153ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Austin, TX

Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Austin, Texas, trained at Baylor College of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,585,793 for 3,723 claims, against $233,046 paid for services in 2024. Chiesi USA, Inc. was the largest of 24 companies reporting payments in 2025, $1,927 in all, mostly food and beverage.

Overview

NPI	1225363153
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Oct 9, 2009
Last updated in NPPES	Feb 1, 2022

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Endocrinology, Diabetes & Metabolism Primary	207RE0101X	P1470	TX

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 (TX)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	367
Services billed	12,619 across 55 procedure codes
Paid by Medicare	$233,046

Part D prescriptions in 2024

Prescriptions (claims)	3,723 · 9,254 30-day fills
Patients	507
Total drug cost	$1,585,793
Generic share	52% of claims

Medicare sources and data years

Education and affiliations

Medical school	Baylor College of Medicine
Graduation year	2009
Medicare specialty	Endocrinology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth