DR. ARTHUR DWAYNE SANTOS (MD) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1598787004
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
395 THORACIC SURGERY in TX
Provider Addresses for DR. ARTHUR DWAYNE SANTOS (MD)
10710 MCPHERSON RD STE 300
LAREDO, TX 780456411
Phone: (956) 794-8853
Fax: (956) 795-4744
Type: Location
7210 MCPHERSON RD STE 117
LAREDO, TX 780416505
Phone: (956) 568-8278
Fax: (956) 568-8280
Type: Location
Malvern Post Office, Martin Luther King Boulevard, Malvern, Hot Spring County, Arkansas, 72104, United States
MALVERN, PA 193550746
Phone: (956) 794-8853
Fax: (956) 795-4744
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $438.
Total Amount is formed as General ($438) + Research ($0) + Ownership ($0) = $438.
Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($196).
Total Amount
$438
General + Research + Ownership
Payments
6
Total payment records
General Amount
$438
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Edwards Lifesciences Corporation | $196 |
| CVRx, Inc. | $113 |
| Bolton Medical Inc | $95 |
| ATRICURE, INC. | $18 |
| Novartis Pharmaceuticals Corporation | $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: 2008-07-28
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 |
|---|---|---|---|---|
| I20080728000304 | I | Thoracic Surgery | TX | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 41 | 30 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 32 | 19 | $0 |
| 93922 | Ultrasound study of arm and leg arteries | 21 | 18 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $0 |
| 33533 | Coronary artery bypass using artery graft, 1 graft | 20 | 20 | $0 |
Insurance plans in this area (ZIP 78045)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC SURGERY | TX | 33533 | Heart artery bypass to repair one artery | 20 | 20 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| H O S P I T A L I S T | VA | |
| - | TX | |
| General Practice | TX | |
| - | TX | |
| - | TX | |
| - | TX | |
| - | TX | |
| - | TX | |
| General Surgery | MS |
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