J. Marcus Downs, MD

NPI 1811922610ActiveIndividual· Colon & Rectal Surgery· Dallas, TX

Colon & Rectal Surgery (MD) in Dallas, Texas, trained at University of Missouri, Columbia School of Medicine (class of 1983). In 2024 Medicare paid $70,744 for 331 patients, and Part D covered 50 of their prescriptions, 88% of them generic. Thd America, Inc. was the largest of 2 companies reporting payments in 2025, $145.37 in all, mostly food and beverage.

Overview

NPI	1811922610
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jul 11, 2006
Last updated in NPPES	Mar 30, 2021
Certified by provider	Oct 13, 2020

Specialties and licenses

Taxonomy	Code	License	State
Colon & Rectal Surgery Primary	208C00000X	J3086	TX

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 - Colorectal Surgery (Proctology) (TX)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	331
Services billed	615 across 39 procedure codes
Paid by Medicare	$70,744

Part D prescriptions in 2024

Prescriptions (claims)	50 · 63 30-day fills
Patients	26
Total drug cost	$4,731
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Missouri, Columbia School of Medicine
Graduation year	1983
Medicare specialty	Colorectal Surgery (Proctology)
Telehealth	Offers telehealth