Doctor profile · Federal record

Dr. Katherine Twombley, M.D.

Pediatric Nephrology Physician · Pediatric Nephrology Physician · Pediatric Nephrology Physician · Jacksonville, FL

  • NPI 1356532311
  • 19 yrs on file
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
807 Childrens Way
Jacksonville, FL 322078426
(904) 697-3600
fax (904) 687-3927
Mailing address
10140 Centurion Pkwy N
Jacksonville, FL 322560532

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
November 12, 2025
Specialty taxonomy
2080P0210X — NUCC code
State licenses (3)
Florida #ME175490 · Texas #N6732 · South Carolina #34967

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356532311. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21,523
Transactions
20
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, Inc. 17 $19,774.04
Kaneka Medical America LLC 2 $1,662.79
Novartis Pharmaceuticals Corporation 1 $85.80

By nature of payment

Consulting Fee
$12,898
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$6,525
Travel and Lodging
$1,454
Food and Beverage
$483
Entertainment
$163

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
220
Patients
0
Total drug cost
$9,524
Drug Type Claims Patients Total cost
Famotidine Generic 40 0 $1,721
Amlodipine Besylate Generic 36 0 $357
Fluconazole Generic 30 0 $1,257
Prednisone Generic 23 0 $189
Ventolin Hfa (Albuterol Sulfate) Brand 18 0 $1,252
Lisinopril Generic 15 0 $39
Fludrocortisone Acetate Generic 12 0 $582
Potassium Chloride Generic 12 0 $631
Valganciclovir Hcl Generic 12 0 $3,323
Cephalexin Generic 11 0 $150

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Twombley's medical specialty?
Dr. Katherine Twombley practices Pediatric Nephrology Physician in Jacksonville, FL.
Where does Dr. Katherine Twombley practice?
Dr. Katherine Twombley practices at 807 Childrens Way, Jacksonville, FL 322078426. Office phone: 9046973600.
What is Dr. Katherine Twombley's NPI?
Dr. Katherine Twombley's National Provider Identifier (NPI) is 1356532311, issued by NPPES.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 30, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›