Lester Bowser, M.D.

NPI 1043206873ActiveIndividual· Internal Medicine, Gastroenterology· Baltimore, MD

Internal Medicine, Gastroenterology (M.D.) in Baltimore, Maryland, trained at University of Pittsburgh School of Medicine (class of 1994). In 2024 Medicare paid $66,613 for 400 patients, and Part D covered 384 of their prescriptions, 85% of them generic. Abbvie Inc. reported $15.28 in payments in 2025, mostly food and beverage.

Overview

NPI	1043206873
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Sep 27, 2005
Last updated in NPPES	Jul 13, 2026

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	D0052005	MD

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 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (DC); Practitioner - Gastroenterology (MD)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	400
Services billed	612 across 39 procedure codes
Paid by Medicare	$66,613

Part D prescriptions in 2024

Prescriptions (claims)	384 · 783 30-day fills
Patients	137
Total drug cost	$91,398
Generic share	85% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Pittsburgh School of Medicine
Graduation year	1994
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth