Skip to content

Mary Kay Koenig, M.D.

NPI 1881895993ActiveIndividual· Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology· Houston, TX

Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology (M.D.) with Ut Physicians, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $413,726 for 307 claims, against $4,261 paid for services in 2024. Jazz Pharmaceuticals Inc. was the largest of 6 companies reporting payments in 2025, $32,778 in all, mostly speaking and faculty fees.

Overview

NPI1881895993
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 29, 2007
Last updated in NPPESMar 27, 2008

Specialties and licenses

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 - Neurology (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients19
Services billed75 across 5 procedure codes
Paid by Medicare$4,261

Part D prescriptions in 2024

Prescriptions (claims)307 · 378 30-day fills
Patients26
Total drug cost$413,726
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Graduation year2002
Medicare specialtyNeurology
Secondary specialtiesPediatric Medicine
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$32,778 · 67 payments from 6 companies
  • 2024$20,188 · 42 payments from 10 companies

Top paying companies in 2025

CompanyAmountPayments
Jazz Pharmaceuticals Inc.$30,24550
Ucb Sa$2,0001
Ucb, Inc.$347.237
Biogen, Inc.$111.414
Acadia Pharmaceuticals Inc$71.543

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$18,880 · 4 payments
  • Consulting Fee$8,750 · 2 payments
  • Travel and Lodging$3,797 · 24 payments
  • Food and Beverage$1,351 · 37 payments

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

Other Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology providers in Houston

All 69 Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology providers in Houston · All Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology providers in Texas