WILLIAM S WALKER (NP) – Family Nurse Practitioner, NPI 1487640033
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,192 NURSE PRACTITIONER in IN
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Provider Addresses for WILLIAM S WALKER (NP)
1900, Saint Charles Street, Jasper, Dubois County, Indiana, 47546, United States
JASPER, IN 475469145
Phone: (812) 634-1211
Fax: (812) 634-9762
Type: Location
1900 Saint Charles St
Jasper, IN 475469145
Phone: (812) 634-1211
Fax: (812) 634-9762
Type: Location
421 E Van Trees St
Washington, IN 475012948
Phone: (812) 254-2663
Fax: (812) 257-7075
Type: Location
901 Saint Marys Dr Ste 300
Evansville, IN 477140521
Phone: (812) 473-2642
Type: Location
1314 E WALNUT ST
WASHINGTON, IN 475012860
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $185.
Total Amount is formed as General ($185) + Research ($0) + Ownership ($0) = $185.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: ABIOMED ($101).
Total Amount
$185
General + Research + Ownership
Payments
9
Total payment records
General Amount
$185
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABIOMED | $101 |
| CARDIVA MEDICAL, INC. | $53 |
| E.R. Squibb & Sons, L.L.C. | $17 |
| Abbott Laboratories | $14 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-01-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070103000027 | I | Nurse Practitioner | IN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 771 | 69 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 151 | 90 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 87 | 57 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 39 | 39 | $0 |
Insurance plans in this area (ZIP 47546)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NURSE PRACTITIONER | IN | 20610 | Aspiration and/or injection of large joint or joint capsule | 569 | 337 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| - | ME | |
| O B S T E T R I C S/ G Y N E C O L O G Y | ME | |
| Family Practice | ME | |
| - | ME | |
| P O D I A T R Y | ME | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | CA | |
| Nurse Practitioner | IN | |
| - | ME | |
| Physician Assistant | TN |
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