Quick answers
- Which hospitals does John I. Oreilly work at?
- Medicare's official clinician data lists John I. Oreilly at 5 hospitals: Mountainview Hospital, Saint Rose Dominican Hospitals - Siena Campus, Southern Hills Hospital and Medical Center, Sunrise Hospital and Medical Center and Valley Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John I. Oreilly see patients?
- Medicare's clinician data lists 1 practice location in Las Vegas, NV. Call before your visit to confirm the address.
- What is John I. Oreilly's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does John I. Oreilly accept Medicare assignment?
- Yes. Medicare's clinician data says John I. Oreilly accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does John I. Oreilly offer telehealth?
- Medicare's clinician data says John I. Oreilly offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John I. Oreilly?
- (725) 705-2739, as listed in official Medicare / NPI Registry data.
- What is John I. Oreilly's NPI number?
- 1356579155. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John I. Oreilly works
Medicare's Facility Affiliation Data lists John I. Oreilly at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mountainview HospitalLas Vegas, NV · Acute Care Hospital · CCN 290039
- Saint Rose Dominican Hospitals - Siena CampusHenderson, NV · Acute Care Hospital · CCN 290045
- Southern Hills Hospital and Medical CenterLas Vegas, NV · Acute Care Hospital · CCN 290047
- Sunrise Hospital and Medical CenterLas Vegas, NV · Acute Care Hospital · CCN 290003
- Valley Hospital Medical CenterLas Vegas, NV · Acute Care Hospital · CCN 290021
Practice locations
Addresses where John I. Oreilly is enrolled with Medicare (CMS data updated 2026-10-02).
- 4472 S Eastern AveLas Vegas, NV 89119 (725) 705‑2739
Group practices
Medicare enrollment lists John I. Oreilly as a member of this group (CMS data updated 2026-10-02).
- Babak Hooshmand MD PLLC16 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Las Vegas
Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1356579155 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians