ADA GREENHALGH (PA-C) – Physician Assistant, NPI 1356762801
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,223 PHYSICIAN ASSISTANT in NV
Provider Addresses for ADA GREENHALGH (PA-C)
7281 W SAHARA AVE
SUITE 110
LAS VEGAS, NV 891172801
Phone: (702) 947-7790
Type: Location
4029 DEAN MARTIN DR
LAS VEGAS, NV 891034138
Phone: (702) 848-8856
Fax: (702) 485-6746
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $150.
Total Amount is formed as General ($150) + Research ($0) + Ownership ($0) = $150.
Last reported payment date: 2023-04-27 • Largest payer in this snapshot: Axsome Therapeutics, Inc. ($134).
Total Amount
$150
General + Research + Ownership
Payments
2
Total payment records
General Amount
$150
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Axsome Therapeutics, Inc. | $134 |
| Lundbeck LLC | $16 |
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: 2015-08-07
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 |
|---|---|---|---|---|
| I20150807013387 | I | Physician Assistant | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 89117)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NV | |
| Physician Assistant | GA | |
| P S Y C H I A T R Y | NV | |
| Physician Assistant | NV | |
| Physician Assistant | NV | |
| Physician Assistant | AZ | |
| Physician Assistant | NV | |
| Physician Assistant | NV | |
| Physician Assistant | NV | |
| Physician Assistant | MD |
Reviews
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