ANDREW W KNOTT (MD) – Vascular Surgery Physician, NPI 1861415986
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
98 VASCULAR SURGERY in AL
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Provider Addresses for ANDREW W KNOTT (MD)
Blackwell Medical Tower, 201, Sivley Road Southwest, Medical District, Longwood, Huntsville, Madison County, Alabama, 35801, United States
SUITE 530
HUNTSVILLE, AL 358015134
Phone: (256) 265-7480
Fax: (256) 265-7481
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 135 Open Payments records for all available years, with a total value of $9,680.
Total Amount is formed as General ($9,680) + Research ($0) + Ownership ($0) = $9,680.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Penumbra, Inc. ($2,600).
Total Amount
$9,680
General + Research + Ownership
Payments
135
Total payment records
General Amount
$9,680
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Penumbra, Inc. | $2,600 |
| Endologix LLC | $2,377 |
| W. L. Gore & Associates, Inc. | $1,575 |
| Medtronic, Inc. | $1,108 |
| Imperative Care, Inc | $435 |
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: 2008-07-16
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 |
|---|---|---|---|---|
| I20080716000438 | I | Vascular Surgery | AL | 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 |
|---|---|---|---|---|
| 93880 | Ultrasound of both sides of head and neck blood flow | 460 | 417 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 316 | 277 | $0 |
| 93922 | Ultrasound study of arm and leg arteries | 255 | 191 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 215 | 176 | $0 |
| 93978 | Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 178 | 165 | $0 |
Insurance plans in this area (ZIP 35801)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| VASCULAR SURGERY | AL | 93922 | Ultrasound study of arteries of both arms and legs | 204 | 131 |
| VASCULAR SURGERY | AL | 93926 | Ultrasound study of arteries and arterial grafts of one leg or limited | 12 | 11 |
| VASCULAR SURGERY | AL | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 47 | 27 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Vascular Surgery, General Surgery | AL | |
| Vascular Surgery, General Surgery | AL | |
| Vascular Surgery, General Surgery | AL | |
| Vascular Surgery, General Surgery | TN |
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