GREGSON PORTEOUS DO
NPI 1194701086
Anesthesiology in Las Vegas, NV
About Gregson Porteous Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGSON PORTEOUS DO (NPI 1194701086) is an individual anesthesiology provider in Las Vegas, Nevada, licensed in Nevada (655) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Henderson Hospital, and is a graduate of College Of Osteo Med Of The Pacific At Pomona (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gregson Porteous Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Gregson Porteous reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Las Vegas, NV 89128
- Reassigned Medicare billing, Nevada enrollment
- 71 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Henderson Hospital
Acute Care Hospitals · Henderson, NVOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Gregson Porteous's NPI number?
The NPI number for Gregson Porteous is 1194701086. It was assigned to this individual provider in the NPPES registry on December 21, 2005.
Where is Gregson Porteous located?
Gregson Porteous practices at 7250 Peak Dr Ste 100, Las Vegas, NV 89128. The listed phone number is (702) 386-4700.
What is Gregson Porteous's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gregson Porteous enrolled in Medicare?
Yes. Gregson Porteous is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Gregson Porteous's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregson Porteous reassigns Medicare benefits to Pbs Anesthesia LLC (Las Vegas, NV). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregson Porteous's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gregson Porteous affiliated with any hospitals?
According to CMS data, Gregson Porteous is affiliated with Henderson Hospital.
When was this NPI record last updated?
The NPPES record for Gregson Porteous was last updated on April 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Gregson Porteous, DO · NPI 1194701086
Anesthesiology physician in Las Vegas, Nevada. Individual provider, active in the CMS NPPES registry since December 21, 2005.
## Identity
- **NPI:** 1194701086 (Entity type: Individual)
- **Enumerated:** December 21, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 655 (Nevada)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7250 PEAK DR STE 100, Las Vegas, NV 89128-9028
- **Phone:** (702) 386-4700 · **Fax:** (702) 386-4701
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Pbs Anesthesia LLC (NPI 1740403658, Las Vegas, NV), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** College Of Osteo Med Of The Pacific At Pomona, class of 1989
## Record status
- **NPPES last updated:** April 28, 2023
- **Other identifiers:** Medicaid 002019466 (NV)
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Source: [NPI Profile](https://npiprofile.com/npi/1194701086) · Data from the CMS NPPES public registry.