GREGORY LAWRENCE II WALKER (ACNPC-AG) – Acute Care Nurse Practitioner, NPI 1861009664
Acute Care Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,947 NURSE PRACTITIONER in NV
Provider Addresses for GREGORY LAWRENCE II WALKER (ACNPC-AG)
10624 S EASTERN AVE STE A-955
HENDERSON, NV 890522982
Phone: (702) 407-7700
Fax: (702) 407-7016
Type: Mailing
7600 S RAINBOW BLVD APT 2044
LAS VEGAS, NV 891395493
Phone: (951) 795-3547
Type: Mailing
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 $43.
Total Amount is formed as General ($43) + Research ($0) + Ownership ($0) = $43.
Last reported payment date: 2024-05-07 • Largest payer in this snapshot: Shionogi Inc ($26).
Total Amount
$43
General + Research + Ownership
Payments
2
Total payment records
General Amount
$43
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Shionogi Inc | $26 |
| ABBVIE INC. | $17 |
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: 2020-12-24
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 |
|---|---|---|---|---|
| I20201224000389 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 107 | 21 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 41 | 41 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 12 | $0 |
Insurance plans in this area (ZIP 89052)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | NV | |
| - | NV | |
| Nurse Practitioner | FL | |
| Internal Medicine, Pulmonary Disease, Critical Care (Intensivists) | NV | |
| Critical Care (Intensivists) | NV | |
| Critical Care (Intensivists), Pulmonary Disease | NV | |
| Nurse Practitioner | NV | |
| Physician Assistant | NV | |
| Physician Assistant | NV | |
| Internal Medicine, Critical Care (Intensivists) | IL |
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