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KATHERINE ELIZABETH TWOMBLEY M.D.
NPI 1356532311
Pediatrics - Pediatric Nephrology in Jacksonville, FL

Active since August 06, 2007PECOS EnrolledAccepts Medicare Assignment
807 CHILDRENS WAY, JACKSONVILLE, FL 32207(904) 697-3600(904) 687-3927 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Katherine Elizabeth Twombley M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE ELIZABETH TWOMBLEY M.D. (NPI 1356532311) is an individual pediatric nephrology provider in Jacksonville, Florida, licensed in Florida (ME175490) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and is a graduate of Medical University Of South Carolina College Of Medicine (2004).

NPPES Registry Identity

NPI1356532311
Entity TypeIndividualFemale
Primary Taxonomy2080P0210X
Provider Legal NameKATHERINE ELIZABETH TWOMBLEYCredential: M.D.
Location Address807 CHILDRENS WAYJacksonville, FL 32207-8426
Mailing Address10140 Centurion Pkwy NJacksonville, FL 32256-0532 · (904) 697-4100
Phone(904) 697-3600
Fax(904) 687-3927
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2004
Enumeration DateAugust 6, 2007
Last NPPES UpdateNovember 12, 2025
NPPES CertifiedNovember 12, 2025
✔ NPI 1356532311 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0210X
Licenses✔ Licensed in FL · ME175490✔ Licensed in TX · N6732✔ Licensed in SC · 34967
Definition
A pediatrician who deals with the normal and abnormal development and maturation of the kidney and urinary tract, the mechanisms by which the kidney can be damaged, the evaluation and treatment of renal diseases, fluid and electrolyte abnormalities, hypertension and renal replacement therapy.
807 CHILDRENS WAY, Jacksonville, FL 32207
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katherine Elizabeth Twombley M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618000555
PECOS Enrollment IDI20120906000290
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Musc Medical Center

Acute Care Hospitals · Charleston, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420004
Location169 Ashley AveCharleston, SC 29425 · Charleston County
Emergency services Birthing friendly

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers78 claims9,990 services$0.29 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers23 claims4,480 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers38 claims7,060 services$0.17 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
3 suppliers54 claims54 services$17.85 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
3 suppliers111 claims130 services$11.85 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. HUGH E. GRIFFENKRANZ PA-C
Physician Assistant
807 CHILDRENS WAY
JACKSONVILLE, FL 32207
Duval County (904) 390-3737
JACQUELINE M NOE
Physician Assistant
807 CHILDRENS WAY, NEMOURS CHILDRENS CLINIC, JACKSONVILLE
JACKSONVILLE, FL 32207
Duval County (904) 697-3600
ERIC P. SHERLIN R.PH
Pharmacist
807 CHILDRENS WAY
JACKSONVILLE, FL 32207
Duval County (904) 390-3601
KELLY MARIE SUMMERS ARNP
Nurse Practitioner
807 CHILDRENS WAY
JACKSONVILLE, FL 32207
Duval County (904) 697-3600
ROBERT C SPRECHER MD
Otolaryngology (Pediatric Otolaryngology)
807 CHILDRENS WAY, NEMOURS CHILDRENS CLINIC, JACKSONVILLE
JACKSONVILLE, FL 32207
Duval County (904) 697-3694
DR. DOREEN RADJENOVIC ARNP
Nurse Practitioner
807 CHILDRENS WAY
JACKSONVILLE, FL 32207
Duval County (904) 390-3759
GRACE ELIZABETH ALLEMAN SLP
Speech-Language Pathologist
807 CHILDRENS WAY
JACKSONVILLE, FL 32207
Duval County (907) 697-3600
THE NEMOURS FOUNDATION
Pharmacy (Community/Retail Pharmacy)
807 CHILDRENS WAY
JACKSONVILLE, FL 32207
Duval County (904) 697-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Twombley's NPI number?

The NPI number for Katherine Twombley is 1356532311. It was assigned to this individual provider in the NPPES registry on August 6, 2007.

Where is Katherine Twombley located?

Katherine Twombley practices at 807 Childrens Way, Jacksonville, FL 32207. The listed phone number is (904) 697-3600.

What is Katherine Twombley's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.

Is Katherine Twombley enrolled in Medicare?

Yes. Katherine Twombley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Katherine Twombley accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina, First Choice Next and Florida Blue (BlueCross BlueShield FL) and 2 other insurers list Katherine Twombley as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Katherine Twombley affiliated with any hospitals?

According to CMS data, Katherine Twombley is affiliated with Musc Medical Center.

When was this NPI record last updated?

The NPPES record for Katherine Twombley was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.