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Alfredo Sardinas Jr., M.D.

NPI 1164719100ActiveIndividual· Internal Medicine, Rheumatology· Houston, TX

Internal Medicine, Rheumatology (M.D.) with David P Ellent PLLC, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $3,946,000 for 3,044 claims, against $99,765 paid for services in 2024. Amgen Inc. was the largest of 17 companies reporting payments in 2025, $2,355 in all, mostly food and beverage.

Overview

NPI1164719100
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 28, 2011
Last updated in NPPESNov 1, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500XR1124TX
Internal Medicine207R00000XBP10040355TX

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Rheumatology (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients86
Services billed11,708 across 21 procedure codes
Paid by Medicare$99,765

Part D prescriptions in 2024

Prescriptions (claims)3,044 · 4,285 30-day fills
Patients447
Total drug cost$3,946,000
Generic share79% of claims

Medicare sources and data years

Education and affiliations

Graduation year2010
Medicare specialtyRheumatology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,355 · 110 payments from 17 companies
  • 2024$2,749 · 107 payments from 16 companies

Top paying companies in 2025

CompanyAmountPayments
Amgen Inc.$533.1530
Abbvie Inc.$346.7414
Mallinckrodt Hospital Products Inc.$280.3011
Ucb, Inc.$236.7613
Ani Pharmaceuticals, Inc.$228.4614

What the 2025 payments were for

  • Food and Beverage$2,324 · 109 payments
  • Education$31.32 · 1 payment

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

Other rheumatologists in Houston

All 131 rheumatologists in Houston · All rheumatologists in Texas