JOSHUA CASTILLEJA RN
NPI 1588505440
Nurse Practitioner - Neonatal, Critical Care in Longwood, FL
NPI Status: Active since April 03, 2026
Contact Information
436 NEWTON PL
LONGWOOD, FL
ZIP 32779
Phone: (480) 319-5759
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Nurse Practitioner
- Neonatal, Critical Care
About JOSHUA CASTILLEJA
This page provides the complete NPI Profile along with additional information for Joshua Castilleja, a provider established in Longwood, Florida with a medical specialization in Nurse Practitioner, focusing in neonatal, critical care . The healthcare provider is registered in the NPI registry with number 1588505440 assigned on April 2026. The practitioner's primary taxonomy code is 363LN0005X with license number 11048841 (FL). The provider is registered as an individual and his NPI record was last updated June 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.
- NPI
- 1588505440
- Provider Name
- JOSHUA CASTILLEJA RN
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 436 NEWTON PL LONGWOOD, FL 32779
- Location Phone
- (480) 319-5759
- Mailing Address
- 436 NEWTON PL LONGWOOD, FL 32779
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-03-2026
- Last Update Date
- 06-26-2026
- Code Navigator
A nurse practitioner (NP) like Joshua Castilleja 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 Neonatal, Critical Care
- Taxonomy Code
- 363LN0005X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 11048841
- License State
- FL
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1588505440, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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 60 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1588505440, enumerated as an "individual" on April 03, 2026.
The provider is located at 436 NEWTON PL LONGWOOD, FL 32779 and the phone number is (480) 319-5759.
Nurse Practitioner with taxonomy code 363LN0005X and a focus in Neonatal, Critical Care.
