JUSTIN GARRETT HARTMANN
NPI 1598698813
Nurse Practitioner - Critical Care Medicine in Jacksonville, FL
NPI Status: Active since June 05, 2026
Contact Information
1 SHIRCLIFF WAY FL 32204
JACKSONVILLE, FL
ZIP 32204
Phone: (904) 308-7300
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Male
- Nurse Practitioner
- Critical Care Medicine
About JUSTIN HARTMANN
This page provides the complete NPI Profile along with additional information for Justin Hartmann, a provider established in Jacksonville, Florida with a medical specialization in Nurse Practitioner, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1598698813 assigned on June 2026. The practitioner's primary taxonomy code is 363LC0200X with license number 689565 (FL). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1598698813
- Provider Name
- JUSTIN GARRETT HARTMANN
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1 SHIRCLIFF WAY FL 32204 JACKSONVILLE, FL 32204
- Location Phone
- (904) 308-7300
- Mailing Address
- 7 LYTTON LN PALM COAST, FL 32137
- Mailing Phone
- (404) 345-5668
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-05-2026
- Last Update Date
- 06-05-2026
- Code Navigator
A nurse practitioner (NP) like Justin Hartmann is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Nurse Practitioner Critical Care Medicine
- Taxonomy Code
- 363LC0200X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 689565
- License State
- FL
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1598698813, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 77 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1598698813, enumerated as an "individual" on June 05, 2026.
The provider is located at 1 SHIRCLIFF WAY FL 32204 JACKSONVILLE, FL 32204 and the phone number is (904) 308-7300.
Nurse Practitioner with taxonomy code 363LC0200X and a focus in Critical Care Medicine.
