Mary Catherine Gibson, M.D.

NPI 1316233133ActiveIndividual· Internal Medicine, Rheumatology· Houston, TX

Internal Medicine, Rheumatology (M.D.) in Houston, Texas, trained at University of Texas Medical School at Houston (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $1,178,525 for 1,058 claims, against $8,847 paid for services in 2024. Amgen Inc. was the largest of 23 companies reporting payments in 2025, $2,323 in all, mostly food and beverage.

Overview

NPI	1316233133
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jun 20, 2011
Last updated in NPPES	May 6, 2024
Certified by provider	May 6, 2024

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Rheumatology Primary	207RR0500X	Q6748	TX
Student in an Organized Health Care Education/Training Program	390200000X	—	—
Internal Medicine	207R00000X	2011016791	MO

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 - Rheumatology (TX)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	35
Services billed	174 across 12 procedure codes
Paid by Medicare	$8,847

Part D prescriptions in 2024

Prescriptions (claims)	1,058 · 1,717 30-day fills
Patients	181
Total drug cost	$1,178,525
Generic share	79% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Texas Medical School at Houston
Graduation year	2011
Medicare specialty	Rheumatology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth