GREGSON PORTEOUS (DO) – Anesthesiology Physician, NPI 1194701086
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
555 ANESTHESIOLOGY in NV
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Provider Addresses for GREGSON PORTEOUS (DO)
7326, West Cheyenne Avenue, Lone Mountain, Summerlin, Las Vegas, Clark County, Nevada, 89129, United States
LAS VEGAS, NV 89129
Phone: (702) 386-4700
Fax: (702) 386-4701
Type: Mailing
3157 N RAINBOW BLVD # 518
LAS VEGAS, NV 891084578
Phone: (702) 386-4700
Fax: (702) 386-4701
Type: Mailing
7250 PEAK DR STE 100
LAS VEGAS, NV 891289028
Phone: (702) 386-4700
Fax: (702) 386-4701
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-10-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20071001000067 | I | Anesthesiology | NV | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 54 | 54 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 27 | 27 | $0 |
| 00813 | Anesthesia for procedure on small and large bowel using an endoscope | 21 | 21 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 13 | 13 | $0 |
Insurance plans in this area (ZIP 89129)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | NV | |
| A N E S T H E S I O L O G Y | NV | |
| A N E S T H E S I O L O G Y | NV | |
| A N E S T H E S I O L O G Y | AZ | |
| A N E S T H E S I O L O G Y | NV | |
| - | TX | |
| A N E S T H E S I O L O G Y | NV | |
| A N E S T H E S I O L O G Y | NV | |
| A N E S T H E S I O L O G Y | NV | |
| A N E S T H E S I O L O G Y | NV |
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