KATHERINE ELIZABETH TWOMBLEY (M.D.) – Pediatric Nephrology Physician, NPI 1356532311
Pediatric Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,309 PEDIATRIC MEDICINE in FL
Provider Addresses for KATHERINE ELIZABETH TWOMBLEY (M.D.)
10140 CENTURION PKWY N
JACKSONVILLE, FL 322560532
Phone: (904) 697-4100
Type: Mailing
807 CHILDRENS WAY
JACKSONVILLE, FL 322078426
Phone: (904) 697-3600
Fax: (904) 687-3927
Type: Location
Box Street, Port Charlotte, Charlotte County, Florida, 33948, United States
CHARLOTTE, NC 282751461
Phone: (843) 792-6200
Type: Mailing
The Medical University of South Carolina, 171, Ashley Avenue, Charleston, Charleston County, South Carolina, 29425, United States
CHARLESTON, SC 294258908
Phone: (843) 792-1414
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 36 Open Payments records for all available years, with a total value of $34,870.
Total Amount is formed as General ($34,870) + Research ($0) + Ownership ($0) = $34,870.
Last reported payment date: 2024-11-07 • Largest payer in this snapshot: Alexion Pharmaceuticals, Inc. ($20,172).
Total Amount
$34,870
General + Research + Ownership
Payments
36
Total payment records
General Amount
$34,870
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alexion Pharmaceuticals, Inc. | $20,172 |
| Horizon Therapeutics plc | $12,868 |
| Kaneka Medical America LLC | $1,663 |
| Novartis Pharmaceuticals Corporation | $167 |
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: 2012-09-06
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 |
|---|---|---|---|---|
| I20120906000290 | I | Pediatric Medicine | SC | 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 32256)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Anesthesiology, Critical Care (Intensivists) | NC | |
| - | NC | |
| - | NC | |
| - | NC | |
| - | NC | |
| - | NC | |
| - | NC | |
| - | NC | |
| General Surgery | TX | |
| - | NC |
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