RUNG EN CHANG
NPI 1992678726
Radiologic Technologist in Stockton, CA
NPI Status: Active since September 26, 2025
Contact Information
525 W ACACIA ST
STOCKTON, CA
ZIP 95203
Phone: (209) 944-5550
- Individual
- Male
- Radiologic Technologist
About RUNG EN CHANG
This page provides the complete NPI Profile along with additional information for Rung En Chang, a provider established in Stockton, California with a medical specialization in Radiologic Technologist. The healthcare provider is registered in the NPI registry with number 1992678726 assigned on September 2025. The practitioner's primary taxonomy code is 247100000X with license number RHT00110036 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1992678726
- Provider Name
- RUNG EN CHANG
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 525 W ACACIA ST STOCKTON, CA 95203
- Location Phone
- (209) 944-5550
- Mailing Address
- 525 W ACACIA ST STOCKTON, CA 95203
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-26-2025
- Last Update Date
- 09-26-2025
- 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
Radiologic Technologist
- Taxonomy Code
- 247100000X
- Type
- Technologists, Technicians & Other Technical Service Providers
- License No.
- RHT00110036
- License State
- CA
- Taxonomy Description
- A medical imaging or radiation therapy professional who is appropriately educated and trained to perform medical imaging procedures using ionizing and nonionizing radiation.
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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 1992678726, 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 20 providers are registered at the same or a nearby location.
STOCKTON, CA 95203
STOCKTON, CA 95203
STOCKTON, CA 95203
STOCKTON, CA 95203
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1992678726, enumerated as an "individual" on September 26, 2025.
The provider is located at 525 W ACACIA ST STOCKTON, CA 95203 and the phone number is (209) 944-5550.
Radiologic Technologist with taxonomy code 247100000X.
