John Isaiah Oreilly, M.D.
NPI 1356579155ActiveIndividual· Internal Medicine, Infectious Disease· Las Vegas, NV
Internal Medicine, Infectious Disease (M.D.) in Las Vegas, Nevada, trained at Tulane University School of Medicine (class of 2016). In 2024 Medicare paid $274,383 for 743 patients, and Part D covered 590 of their prescriptions, 88% of them generic. Melinta Therapeutics, LLC was the largest of 8 companies reporting payments in 2025, $756.63 in all, mostly food and beverage.
Overview
| NPI | 1356579155 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2009 |
| Last updated in NPPES | Sep 24, 2021 |
| Certified by provider | Sep 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 21365 | NV |
| Internal Medicine | 207R00000X | 21365 | NV |
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 - Infectious Disease (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 743 |
|---|---|
| Services billed | 3,153 across 13 procedure codes |
| Paid by Medicare | $274,383 |
Part D prescriptions in 2024
| Prescriptions (claims) | 590 · 645 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $300,914 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Babak Hooshmand MD PLLCLas Vegas, NV · 16 clinicians
Hospital affiliations
- Mountainview HospitalLas Vegas, NV
- Saint Rose Dominican Hospitals - Siena CampusHenderson, NV
- Southern Hills Hospital and Medical CenterLas Vegas, NV
- Sunrise Hospital and Medical CenterLas Vegas, NV
- Valley Hospital Medical CenterLas Vegas, NV
Industry payments (Open Payments)
- 2025$756.63 · 17 payments from 8 companies
- 2024$1,191 · 37 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Melinta Therapeutics, LLC | $165.83 | 3 |
| Glaxosmithkline, LLC. | $160.63 | 2 |
| Shionogi Inc | $153.73 | 3 |
| Pfizer Inc. | $99.70 | 1 |
| Viiv Healthcare Company | $79.15 | 3 |
What the 2025 payments were for
- Food and Beverage$756.63 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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