Katherine Elizabeth Twombley, M.D.
Pediatric Nephrology Physician · Jacksonville, FL
Katherine Elizabeth Twombley, M.D. is a pediatric nephrology physician with a practice address in Jacksonville, Florida, and NPI 1356532311, issued on Aug 6, 2007. Check the license (Florida ME175490, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Katherine Elizabeth Twombley
- Credential
- M.D.
- Primary taxonomy
- Pediatric Nephrology Physician 2080P0210X
- License numbers
- ME175490 FL
34967 SC
N6732 TX
Self-reported in NPPES; status is on the state search - Practice location
- 807 Childrens Way, Jacksonville, FL 32207
- Phone
- (904) 697-3600
- Enumerated
- Aug 6, 2007
- Record last updated
- Nov 12, 2025
- Fax
- (904) 687-3927
- Medicare enrollment
- Enrolled (PECOS I20120906000290); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest pediatric nephrology physician records → All 61 in Florida → Look up another NPI →
Also registered at 807 Childrens Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Abram, MDHospitalist Physician1306937313
- Harry Abram, MDNeurology with Special Qualifications in Child Neurology Physician1427069947
- Adebisi Ajala, MDPediatric Anesthesiology Physician1114005378
- Andrea Ali-Panzarella, DOPediatrics Physician1528364908
- Grace Alleman, SLPSpeech-Language Pathologist1033620406
- Marielle Amoli, MDPediatric Orthopaedic Surgery Physician1134447030
Verify Katherine Elizabeth Twombley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME175490Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.9 times the Medicare Part D claims of the average pediatric nephrology physician in 2024
397 Medicare Part D claims for 14 beneficiaries, against an average of 67 among the 387 providers of this specialty who prescribed in Part D.
Most prescribed
- Famotidine28 claims
- Amlodipine Besylate27 claims
- Prednisone25 claims
- Fluconazole23 claims
- Prednisolone Sodium Phosphate20 claims
- Lisinopril17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $21,522.63
20 payments; by number, the most common kind was food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 297 providers of this specialty with any payment received $3,704.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Elizabeth Twombley among 61 pediatric nephrology physician records in Florida
Katherine Elizabeth Twombley, M.D. is one of 61 pediatric nephrology physician records with a practice address in Florida. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 44% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2004 · median 2001 among the 45 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0210X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Nephrology Physician providers in Florida
There are 61 pediatric nephrology physician records in Florida.
All 61 in Florida → Every provider in Jacksonville → Pediatric Nephrology Physician nationwide →
The 8 pediatric nephrology physician records with the nearest ZIP codes
- Navondria Flowers, APRNJacksonville, FL 322071679031181
- Mohamad Tolaymat, M.D.Jacksonville, FL 322071003875972
- Scott Williams, MDPensacola, FL 325041407816341
- Eihab Alkhasawneh, M.D.Gainesville, FL 326101346486636
- Oluwadamilola Ejike, MDGainesville, FL 326101841633823
- Robert Fennell, MDGainesville, FL 326101679594386
- Eduardo Garin, MDGainesville, FL 326101053352062
- Susan Ingraham, MD, PHDGainesville, FL 326101841445921
Common questions
What is Katherine Elizabeth Twombley, M.D.'s NPI number?
Katherine Elizabeth Twombley, M.D.'s National Provider Identifier (NPI) is 1356532311, issued on Aug 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Elizabeth Twombley, M.D. located?
The NPPES record lists a practice address at 807 Childrens Way, Jacksonville, FL, 32207. Phone: (904) 697-3600. Providers update this record themselves, so call before visiting.
How can I verify Katherine Elizabeth Twombley, M.D.'s license?
NPPES lists Florida license number ME175490, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Elizabeth Twombley, M.D. prescribe under Medicare Part D?
In 2024, Katherine Elizabeth Twombley, M.D. had 397 Medicare Part D claims for 14 beneficiaries; the average among pediatric nephrology physician prescribers was 67. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.