Nurse Practitioner, Acute Care · Nashville, TN
NPI
1700259421
Since 2015
Specialty
Nurse Practitioner, Acute Care
Code 363LA2100X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
3601 Th Vanderbilt Clinic
Nashville, TN, 37232
Phone (615) 936-2000
Groups this clinician bills Medicare through
Medicare paid, 2024
$23K
478 services
Medicare patients, 2024
361
Average age 72
Drug cost, 2024
$432K
731 prescriptions
Company payments, 2025
$65.18
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Allison Walker was code 99214 (office e&m - established), 228 times for 179 patients. In total Allison Walker billed 478 services in 8 codes, and Medicare paid $23K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-03-15.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 228 | 179 | $53.25 | $12K |
| 99213 Office E&M - Established | Office | 195 | 175 | $35.20 | $6,863 |
| 99215 Office E&M - Established | Office | 45 | 31 | $90.02 | $4,051 |
By year: 2022 $30K for 565 services; 2023 $23K for 452 services; 2024 $23K for 478 services.
Medicare prescription drug claims, 2024
In 2024, the drug Allison Walker prescribed most often to Medicare patients was Letrozole, with 252 prescriptions and refills. In total Allison Walker wrote 731 Medicare prescriptions that cost $432K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Letrozole Generic | 252 | 613 | 87 | $6,175 |
| Tamoxifen Citrate Generic | 90 | 236 | 32 | $2,553 |
| Exemestane Generic | 77 | 191 | 24 | $13K |
| Anastrozole Generic | 65 | 180 | 20 | $1,252 |
| Veozah Fezolinetant | 36 | 40 | Under 11 | $20K |
| Duloxetine Hcl Generic | 17 | 25 | Under 11 | $476 |
| Gabapentin Generic | 16 | 22 | Under 11 | $83.97 |
| Loperamide Loperamide Hcl | 12 | 12 | Under 11 | $382 |
| Ibrance Palbociclib | 12 | 12 | Under 11 | $179K |
| Famotidine Generic | 11 | 17 | Under 11 | $106 |
| Alendronate Sodium Generic | 11 | 31 | Under 11 | $81.19 |
| Ondansetron Hcl Generic | 11 | 11 | Under 11 | $181 |
Brand drugs: 102 claims; generic drugs: 629 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Allison Walker $65.18 ($65.18 in general payments such as food, travel and fees) from 1 company. The largest payer was Novartis Pharmaceuticals Corporation with $65.18.
| Company | Payments | Amount |
|---|---|---|
| Novartis Pharmaceuticals Corporation NVS | 1 | $65.18 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.