Nader M. Zeitouni, MD
NPI 1144273616ActiveIndividual· Internal Medicine, Pulmonary Disease· Toledo, OH
Internal Medicine, Pulmonary Disease (MD) with Toledo Clinic Incorporated, practicing in Toledo, Ohio. Their prescriptions cost Medicare Part D more than their services did: $1,240,188 for 5,196 claims, against $252,950 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 24 companies reporting payments in 2025, $3,339 in all, mostly food and beverage. Lists Mercy St Vincent Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1144273616 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 18, 2006 |
| Last updated in NPPES | Dec 5, 2025 |
| Certified by provider | Dec 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 35079228 | OH |
| Internal Medicine, Sleep Medicine | 207RS0012X | 35079228 | OH |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 35079228 | OH |
| Internal Medicine | 207R00000X | 35-07-9228-Z | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 859 |
|---|---|
| Services billed | 3,347 across 31 procedure codes |
| Paid by Medicare | $252,950 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,196 · 7,063 30-day fills |
|---|---|
| Patients | 766 |
| Total drug cost | $1,240,188 |
| Generic share | 54% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Toledo Clinic IncorporatedToledo, OH · 210 clinicians
Hospital affiliations
- Mercy St Vincent Medical CenterToledo, OH
- Promedica Toledo HospitalToledo, OH
Industry payments (Open Payments)
- 2025$3,339 · 222 payments from 24 companies
- 2024$3,254 · 186 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $432.09 | 31 |
| Harmony Biosciences LLC | $412.43 | 19 |
| Axsome Therapeutics, Inc. | $387.30 | 42 |
| United Therapeutics Corporation | $306.67 | 25 |
| Regeneron Healthcare Solutions, Inc. | $300.79 | 10 |
What the 2025 payments were for
- Food and Beverage$3,175 · 220 payments
- Education$163.33 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 pulmonologists in Toledo · All pulmonologists in Ohio