DR. ALEX JOSEPH LIBOON RUSTIA DMD
NPI 1194554535
Dentist - General Practice in St Augustine, FL
NPI Status: Active since August 01, 2024
Contact Information
150 MALAGA ST
ST AUGUSTINE, FL
ZIP 32084
Phone: (904) 829-9024
- Individual
- Male
- Dentist
- General Practice
About ALEX JOSEPH RUSTIA
This page provides the complete NPI Profile along with additional information for Alex Joseph Rustia, a provider established in St Augustine, Florida with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1194554535 assigned on August 2024. The practitioner's primary taxonomy code is 1223G0001X with license number DN29444 (FL). The provider is registered as an individual and his NPI record was last updated January 2026.
- NPI
- 1194554535
- Provider Name
- DR. ALEX JOSEPH LIBOON RUSTIA DMD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 150 MALAGA ST ST AUGUSTINE, FL 32084
- Location Phone
- (904) 829-9024
- Mailing Address
- 278 TIDAL BEACH AVE ST AUGUSTINE, FL 32095
- Mailing Phone
- (908) 670-6108
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-01-2024
- Last Update Date
- 01-26-2026
- Code Navigator
A dentist like Alex Joseph Rustia is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.
Location Map
Secondary Locations
- 7740 Point Meadows Dr Ste 4
Jacksonville, FL 32256
(904) 606-6735
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
Dentist General Practice
- Taxonomy Code
- 1223G0001X
- Type
- Dental Providers
- License No.
- DN29444
- License State
- FL
- Taxonomy Description
- A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
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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 1194554535, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1194554535, enumerated as an "individual" on August 01, 2024.
The provider is located at 150 MALAGA ST ST AUGUSTINE, FL 32084 and the phone number is (904) 829-9024.
Dentist with taxonomy code 1223G0001X and a focus in General Practice.
