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Mario A. Ruiz, MD

NPI 1841281177ActiveIndividual· Internal Medicine, Nephrology· Denton, TX

Internal Medicine, Nephrology (MD) in Denton, Texas, trained at University of California, San Diego School of Medicine (class of 1990). In 2024 Medicare paid $28,884 for 206 patients, and Part D covered 778 of their prescriptions, 87% of them generic.

Overview

NPI1841281177
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedNov 4, 2005
Last updated in NPPESDec 17, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XK2993TX

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (NV); Practitioner - Nephrology (NV); Practitioner - Internal Medicine (OK); Practitioner - Internal Medicine (PA); Practitioner - Nephrology (TX); Practitioner - Internal Medicine (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients206
Services billed346 across 9 procedure codes
Paid by Medicare$28,884

Part D prescriptions in 2024

Prescriptions (claims)778 · 877 30-day fills
Patients294
Total drug cost$33,029
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, San Diego School of Medicine
Graduation year1990
Medicare specialtyInternal Medicine
Secondary specialtiesHospitalist
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine, Nephrology providers in Denton

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