SCOTT GREGORY LOUIS (M.D.) – Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, NPI 1356585137
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
53 CARDIAC SURGERY in WA
Provider Addresses for SCOTT GREGORY LOUIS (M.D.)
1175 BARKSTON DR
KATY, TX 774504221
Phone: (281) 398-6141
Type: Mailing
2979 SQUALICUM PKWY STE 201
BELLINGHAM, WA 982251813
Phone: (360) 788-6800
Type: Location
MS 315010
PO BOX 3947
SEATTLE, WA 98124
Phone: (425) 467-3655
Fax: (425) 635-6388
Type: Mailing
1135 116TH AVE NE
STE 605
BELLEVUE, WA 98004
Phone: (425) 154-8161
Fax: (425) 454-9304
Type: Location
Richard T. Jones Hall, 3181, Southwest Sam Jackson Park Road, Marquam Hill, Homestead, Portland, Metro, Multnomah County, Oregon, 97239, United States
PORTLAND, OR 972393011
Phone: (503) 494-8211
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $1,773.
Total Amount is formed as General ($1,773) + Research ($0) + Ownership ($0) = $1,773.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Abbott Laboratories ($1,313).
Total Amount
$1,773
General + Research + Ownership
Payments
18
Total payment records
General Amount
$1,773
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $1,313 |
| ABIOMED | $269 |
| Edwards Lifesciences Corporation | $75 |
| Zimmer Biomet Holdings, Inc. | $47 |
| Medtronic, Inc. | $29 |
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: 2018-08-14
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 |
|---|---|---|---|---|
| I20180814001815 | I | Cardiac Surgery | WA | 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 |
|---|---|---|---|---|
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 31 | 31 | $0 |
| 33361 | Replacement of aortic valve through the skin and femoral artery | 16 | 16 | $0 |
Insurance plans in this area (ZIP 77450)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | WA | |
| P O D I A T R Y | WA | |
| Gynecological Oncology | WA | |
| - | FL | |
| Geriatric Medicine, Family Practice | WA | |
| Nurse Practitioner | WA | |
| Internal Medicine, Cardiovascular Disease (Cardiology), Nuclear Medicine | MA | |
| - | TX | |
| Physician Assistant | OR | |
| Nurse Practitioner | NY |
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