WILLIAM T UNSDERFER (MD) – Pediatrics Physician, NPI 1942300173
Pediatrics Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
Loading map...
Provider Addresses for WILLIAM T UNSDERFER (MD)
501, South Santa Fe Avenue, Salina, Saline County, Kansas, 67401, United States
SUITE 100
SALINA, KS 674014189
Phone: (785) 452-7269
Fax: (785) 452-6008
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $357.
Total Amount is formed as General ($357) + Research ($0) + Ownership ($0) = $357.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Supernus Pharmaceuticals, Inc. ($88).
Total Amount
$357
General + Research + Ownership
Payments
15
Total payment records
General Amount
$357
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Supernus Pharmaceuticals, Inc. | $88 |
| PFIZER INC. | $62 |
| SANOFI PASTEUR INC. | $52 |
| GlaxoSmithKline, LLC. | $41 |
| Tris Pharma Inc | $36 |
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: 2005-04-05
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 |
|---|---|---|---|---|
| I20050405000212 | I | Pediatric Medicine | KS | 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 67401)
Loading plans...
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.