William Walter McAlexander, MD
NPI 1073558524ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Knoxville, TN
Thoracic Surgery (Cardiothoracic Vascular Surgery) (MD) in Knoxville, Tennessee, trained at Tulane University School of Medicine (class of 1998). Medicare paid $61,506 for services to 40 patients in 2024. Abbott Laboratories was the largest of 6 companies reporting payments in 2025, $471.80 in all, mostly food and beverage.
Overview
| NPI | 1073558524 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 18, 2006 |
| Last updated in NPPES | Jul 18, 2023 |
| Certified by provider | Jul 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | MD38677 | TN |
| Thoracic Surgery (Cardiothoracic Vascular Surgery) | 208G00000X | 33987 | AL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (AL); Practitioner - Thoracic Surgery (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 40 |
|---|---|
| Services billed | 123 across 24 procedure codes |
| Paid by Medicare | $61,506 |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Thoracic Surgery |
Medical group
- Knoxville Hma Physician Management, LLCKnoxville, TN · 120 clinicians
Hospital affiliation
- Physicians Regional Medical CenterPowell, TN
Industry payments (Open Payments)
- 2025$471.80 · 10 payments from 6 companies
- 2024$766.12 · 33 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $120.69 | 1 |
| Dilon Technologies, Inc. | $112.89 | 1 |
| Ethicon US, LLC | $93.77 | 3 |
| Atricure, Inc. | $71.91 | 3 |
| Intuitive Surgical, Inc. | $54.05 | 1 |
What the 2025 payments were for
- Food and Beverage$471.80 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 cardiothoracic surgeons in Knoxville · All cardiothoracic surgeons in Tennessee