MR. WALID S. ARNAOUT (M.D.) – Surgery Physician, NPI 1023072816
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,317 GENERAL SURGERY in CA
Provider Addresses for MR. WALID S. ARNAOUT (M.D.)
77 ROLLING OAKS DR STE 203
THOUSAND OAKS, CA 913611019
Phone: (805) 379-9696
Fax: (805) 379-9695
Type: Mailing
18250 ROSCOE BLVD STE 220
NORTHRIDGE, CA 913254271
Phone: (818) 280-3901
Fax: (805) 379-9695
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $13,530.
Total Amount is formed as General ($13,530) + Research ($0) + Ownership ($0) = $13,530.
Last reported payment date: 2024-09-16 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($13,317).
Total Amount
$13,530
General + Research + Ownership
Payments
17
Total payment records
General Amount
$13,530
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $13,317 |
| Urgo Medical North America, LLC | $172 |
| CONMED Corporation | $42 |
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: 2005-06-15
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 |
|---|---|---|---|---|
| I20050615001012 | I | General Surgery | CA | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 153 | 78 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 105 | 81 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 54 | 54 | $0 |
| 99291 | Critical care, first 30-74 minutes | 51 | 35 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 28 | 22 | $0 |
Insurance plans in this area (ZIP 91361)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiac Surgery, Thoracic Surgery, Vascular Surgery, General Surgery, Thoracic Surgery, Critical Care (Intensivists) | CA | |
| General Surgery | CA | |
| General Surgery, Vascular Surgery | CA | |
| Critical Care (Intensivists), General Surgery, General Surgery | VA | |
| General Surgery | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.