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RYAN MARK HESSENIUS MD
NPI 1629606793
Pediatrics - Pediatric Critical Care Medicine in Jacksonville, FL

Active since April 01, 2020
807 CHILDRENS WAY, JACKSONVILLE, FL 32207(904) 697-3600 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 3, 2026, Jul 6, 2020, Apr 1, 2020 (3 updates tracked since 2020).

About Ryan Mark Hessenius Md NPPES

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

RYAN MARK HESSENIUS MD (NPI 1629606793) is an individual pediatric critical care medicine provider in Jacksonville, Florida, licensed in Florida (ME179041) and active in the NPI registry since April 2020.

NPPES Registry Identity

NPI1629606793
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameRYAN MARK HESSENIUSCredential: MD
Location Address807 CHILDRENS WAYJacksonville, FL 32207-8426
Mailing Address807 Childrens WayJacksonville, FL 32207-8426
Phone(904) 697-3600
Sole ProprietorYes
Enumeration DateApril 1, 2020
Last NPPES UpdateJune 3, 20263 updates tracked since enumeration
NPPES CertifiedJune 3, 2026
✔ NPI 1629606793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in FL · ME179041
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License ME179041 (FL)
807 CHILDRENS WAY, Jacksonville, FL 32207
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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 Ryan Hessenius's NPI number?

The NPI number for Ryan Hessenius is 1629606793. It was assigned to this individual provider in the NPPES registry on April 1, 2020.

Where is Ryan Hessenius located?

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

What is Ryan Hessenius's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

When was this NPI record last updated?

The NPPES record for Ryan Hessenius was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.