STEPHEN R ASH (MD) – Nephrology Physician, NPI 1417926940
Nephrology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for STEPHEN R ASH (MD)
Prophetstown Aquatic Center, 5545, Swisher Road, West Lafayette, Tippecanoe County, Indiana, 47906, United States
LAFAYETTE, IN 479035545
Phone: (765) 448-8000
Fax: (765) 448-8335
Type: Mailing
1500, Salem Street, Lafayette, Tippecanoe County, Indiana, 47904, United States
LAFAYETTE, IN 479042164
Phone: (765) 448-8000
Fax: (765) 448-8252
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $314.
Total Amount is formed as General ($314) + Research ($0) + Ownership ($0) = $314.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: AKEBIA THERAPEUTICS INC ($220).
Total Amount
$314
General + Research + Ownership
Payments
3
Total payment records
General Amount
$314
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AKEBIA THERAPEUTICS INC | $220 |
| Novartis Pharmaceuticals Corporation | $94 |
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: 2007-03-21
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 |
|---|---|---|---|---|
| I20070321000386 | I | Nephrology | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 47903)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| - | IN | |
| - | KY | |
| Physician Assistant | IN | |
| Physician Assistant | MI | |
| Internal Medicine | IN | |
| Anesthesiology, Pain Management | TN | |
| Internal Medicine, Hospitalist | IN | |
| U R O L O G Y | NC | |
| Nurse Practitioner | IN |
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