Andrew Walker, MD
NPI 1629458906ActiveIndividual· Anesthesiology· Nashville, TN
Anesthesiology (MD) with Cardiovascular Anesthesiologists PC and 1 other group, practicing in Nashville, Tennessee. Medicare paid $76,471 for services to 838 patients in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2024, $40.47 in all, mostly food and beverage. Lists Maury Regional Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1629458906 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 2, 2015 |
| Last updated in NPPES | May 6, 2026 |
| Certified by provider | May 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 56872 | TN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Anesthesiology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 838 |
|---|---|
| Services billed | 1,022 across 76 procedure codes |
| Paid by Medicare | $76,471 |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical groups
- Cardiovascular Anesthesiologists PCNashville, TN · 142 clinicians
- Columbia Anesthesia Services LLCColumbia, TN · 43 clinicians
Hospital affiliations
- Maury Regional HospitalColumbia, TN
- Williamson Medical CenterFranklin, TN
Industry payments (Open Payments)
- 2024$40.47 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $20.73 | 1 |
| Astellas Pharma US Inc | $19.74 | 1 |
What the 2024 payments were for
- Food and Beverage$40.47 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 422 anesthesiologists in Nashville · All anesthesiologists in Tennessee