Quick answers
- Which hospitals does Gregson J. Porteous work at?
- Medicare's official clinician data lists Gregson J. Porteous at 1 hospital: Henderson Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregson J. Porteous see patients?
- Medicare's clinician data lists 1 practice location in Las Vegas, NV. Call before your visit to confirm the address.
- What is Gregson J. Porteous's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Gregson J. Porteous accept Medicare assignment?
- Yes. Medicare's clinician data says Gregson J. Porteous 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.
- What is the phone number for Gregson J. Porteous?
- (702) 386-4700, as listed in official Medicare / NPI Registry data.
- What is Gregson J. Porteous's NPI number?
- 1194701086. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregson J. Porteous works
Medicare's Facility Affiliation Data lists Gregson J. Porteous at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Henderson HospitalHenderson, NV · Acute Care Hospital · CCN 290057
Practice locations
Addresses where Gregson J. Porteous is enrolled with Medicare (CMS data updated 2026-10-02).
- 7250 Peak Dr, Suite 100Las Vegas, NV 89128 (702) 386‑4700
Group practices
Medicare enrollment lists Gregson J. Porteous as a member of this group (CMS data updated 2026-10-02).
- PBS Anesthesia LLC43 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Las Vegas
Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | College Of Osteo Med Of The Pacific At Pomona |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194701086 |
| 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