Doctor profile · Federal record
Dr. William Walker, NP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Sports Medicine (Orthopaedic Surgery) Physician · Washington, IN
- NPI 1487640033
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
1314 E Walnut St
Washington, IN 475012860
(812) 473-2642 - Additional location
-
1900 Saint Charles St
Jasper, IN 475469145
(812) 634-1211
fax (812) 634-9762 - Additional location
-
421 E van Trees St
Washington, IN 475012948
(812) 254-2663
fax (812) 257-7075 - Additional location
-
901 Saint Marys Dr Ste 300
Evansville, IN 477140521
Show 1 more location
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- June 27, 2024
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Indiana #71001830A
- Medicaid
- IN #200520250A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487640033. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,048
Distinct HCPCS
4
Medicare allowed
$20,150
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 771 | 69 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 151 | 90 | $72 | |
20610 |
Aspiration and/or injection of fluid from large joint | 87 | 57 | $57 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 39 | 39 | $89 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 105. This provider delivers 10.0× the peer median.Open Payments
Industry payments received
All-time total
$132
Transactions
6
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABIOMED | 4 | $101.15 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $16.67 | |
| Abbott Laboratories | 1 | $14.16 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
14
Patients
11
Total drug cost
$53
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 14 | 11 | $53 |
Hospital affiliations
Frequently asked questions
What is Dr. William Walker's medical specialty?
Dr. William Walker practices Family Nurse Practitioner in Washington, IN.
Where does Dr. William Walker practice?
Dr. William Walker practices at 1314 E Walnut St, Washington, IN 475012860. Office phone: 8124732642.
What is Dr. William Walker's NPI?
Dr. William Walker's National Provider Identifier (NPI) is 1487640033, 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: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.