CHARLES NGUYEN
NPI 1477188696
Urology in San Jose, CA
NPI Status: Active since March 09, 2020
Contact Information
2460 SAMARITAN DR
SAN JOSE, CA
ZIP 95124
Phone: (408) 871-5220
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Urology
About CHARLES NGUYEN
This page provides the complete NPI Profile along with additional information for Charles Nguyen, a provider established in San Jose, California with a medical specialization in Urology. The healthcare provider is registered in the NPI registry with number 1477188696 assigned on March 2020. The practitioner's primary taxonomy code is 208800000X with license number A206962 (CA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1477188696
- Provider Name
- CHARLES NGUYEN
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2460 SAMARITAN DR SAN JOSE, CA 95124
- Location Phone
- (408) 871-5220
- Mailing Address
- 2460 SAMARITAN DR SAN JOSE, CA 95124
- Mailing Phone
- (650) 643-0015
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-09-2020
- Last Update Date
- 06-12-2026
- Code Navigator
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
Urology
- Taxonomy Code
- 208800000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A206962
- License State
- CA
- Taxonomy Description
- A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous 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 1477188696, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).
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 74 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 9 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1477188696, enumerated as an "individual" on March 09, 2020.
The provider is located at 2460 SAMARITAN DR SAN JOSE, CA 95124 and the phone number is (408) 871-5220.
Urology with taxonomy code 208800000X.
