MRS. MARGARET WILLIAMS (CPNP) – Pediatric Nurse Practitioner, NPI 1275203952
Pediatric Nurse Practitioner
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MRS. MARGARET WILLIAMS (CPNP)
2401 GILLHAM RD
KANSAS CITY, MO 641084619
Phone: (816) 234-3000
Fax: (816) 302-9939
Type: Mailing
6405 THEDEN ST
SHAWNEE, KS 662188978
Phone: (913) 744-8570
Type: Mailing
1803 W 6TH ST
LAWRENCE, KS 660441710
Phone: (785) 842-4477
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $175.
Total Amount is formed as General ($175) + Research ($0) + Ownership ($0) = $175.
Last reported payment date: 2024-09-05 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($46).
Total Amount
$175
General + Research + Ownership
Payments
12
Total payment records
General Amount
$175
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $46 |
| Corium, LLC | $42 |
| SANOFI PASTEUR INC. | $37 |
| Noven Therapeutics, LLC | $19 |
| kaleo, Inc. | $16 |
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: 2025-01-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20211011000154 | I | Nurse Practitioner | KS | TBD |
| I20250115001712 | I | Nurse Practitioner | MO | 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 64108)
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