JOHN FREDA DDS
NPI 1871237792
Dentist - Orthodontics and Dentofacial Orthopedics in San Diego, CA
NPI Status: Active since April 26, 2022
Contact Information
7695 CARDINAL CT STE 320
SAN DIEGO, CA
ZIP 92123
Phone: (858) 277-8080
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Dentist
- Orthodontics and Dentofacial Orthopedics
About JOHN FREDA
This page provides the complete NPI Profile along with additional information for John Freda, a provider established in San Diego, California with a medical specialization in Dentist, focusing in orthodontics and dentofacial orthopedics . The healthcare provider is registered in the NPI registry with number 1871237792 assigned on April 2022. The practitioner's primary taxonomy code is 1223X0400X with license number 112218 (CA). The provider is registered as an individual and his NPI record was last updated July 2026.
- NPI
- 1871237792
- Provider Name
- JOHN FREDA DDS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 7695 CARDINAL CT STE 320 SAN DIEGO, CA 92123
- Location Phone
- (858) 277-8080
- Mailing Address
- 66 MEADOW SPRING CT EAST AMHERST, NY 14051
- Mailing Phone
- (716) 465-8875
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-26-2022
- Last Update Date
- 07-07-2026
- Code Navigator
A dentist like John Freda 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
- 17085 Camino San Bernardo Ste 220
San Diego, CA 92127
(858) 277-8088 - 833 W San Marcos Blvd
San Marcos, CA 92078
(760) 744-4444
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 Orthodontics and Dentofacial Orthopedics
- Taxonomy Code
- 1223X0400X
- Type
- Dental Providers
- License No.
- 112218
- License State
- CA
- Taxonomy Description
- That area of dentistry concerned with the supervision, guidance and correction of the growing or mature dentofacial structures, including those conditions that require movement of teeth or correction of malrelationships and malformations of their related structures and the adjustment of relationships between and among teeth and facial bones by the application of forces and/or the stimulation and redirection of functional forces within the craniofacial complex. Major responsibilities of orthodontic practice include the diagnosis, prevention, interception and treatment of all forms of malocclusion of the teeth and associated alterations in their surrounding structures; the design, application and control of functional and corrective appliances; and the guidance of the dentition and its supporting structures to attain and maintain optimum occlusal relations in physiologic and esthetic harmony among facial and cranial structures.
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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 1871237792, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 is 70. 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.
SAN DIEGO, CA 92123
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1871237792, enumerated as an "individual" on April 26, 2022.
The provider is located at 7695 CARDINAL CT STE 320 SAN DIEGO, CA 92123 and the phone number is (858) 277-8080.
Dentist with taxonomy code 1223X0400X and a focus in Orthodontics and Dentofacial Orthopedics.
