Doctor profile · Federal record
Dr. William Walker, DO
Hospitalist Physician (CMS: Hospitalist) · Family Medicine Physician · Evansville, IN
- NPI 1184146078
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
600 Mary Street
Evansville, IN 477470001
(812) 450-3036
fax (812) 450-2193 - Mailing address
-
600 Mary St
Evansville, IN 477101674
Credentials & registration
- NPI registered
- July 2017 — 9 yrs on file
- Profile last updated
- September 16, 2019
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Indiana #02005727A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184146078. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
972
Distinct HCPCS
6
Medicare allowed
$99,754
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 412 | 174 | $76 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 214 | 101 | $114 | |
99239 |
Hospital discharge day management, more than 30 minutes | 113 | 111 | $109 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 110 | 109 | $166 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 88 | 88 | $125 | |
99238 |
Hospital discharge day management, 30 minutes or less | 35 | 35 | $77 |
In context: peer comparison
Among 27 peers in Evansville Hospitalist Physician, average services per provider: 141. This provider delivers 6.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
438
Patients
166
Total drug cost
$29,037
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 68 | 25 | $644 |
| Amlodipine Besylate | Generic | 44 | 19 | $357 |
| Furosemide | Generic | 40 | 21 | $151 |
| Prednisone | Generic | 37 | 26 | $109 |
| Eliquis (Apixaban) | Brand | 35 | 16 | $25,647 |
| Metoprolol Tartrate | Generic | 33 | 16 | $259 |
| Hydralazine Hcl | Generic | 27 | 12 | $432 |
| Lisinopril | Generic | 25 | 0 | $136 |
| Amiodarone Hcl | Generic | 23 | 0 | $346 |
| Losartan Potassium | Generic | 23 | 13 | $177 |
Hospital affiliations
Frequently asked questions
What is Dr. William Walker's medical specialty?
Dr. William Walker practices Hospitalist Physician in Evansville, IN.
Where does Dr. William Walker practice?
Dr. William Walker practices at 600 Mary Street, Evansville, IN 477470001. Office phone: 8124503036.
What is Dr. William Walker's NPI?
Dr. William Walker's National Provider Identifier (NPI) is 1184146078, issued by NPPES.
Does Dr. William Walker accept Medicare assignment?
Yes. Dr. William Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Walker commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.