CHRISTOPHER LYNN STJOHN PHD
NPI 1932359577
Psychologist - Counseling in Dallas, TX
NPI Status: Active since September 19, 2008
Contact Information
4500 S LANCASTER RD
DALLAS, TX
ZIP 75216
Phone: (214) 857-0772
Fax: (214) 857-0911
- Individual
- Male
- Psychologist
- Counseling
About CHRISTOPHER STJOHN
This page provides the complete NPI Profile along with additional information for Christopher Stjohn, a provider established in Dallas, Texas with a medical specialization in Psychologist, focusing in counseling . The healthcare provider is registered in the NPI registry with number 1932359577 assigned on September 2008. The practitioner's primary taxonomy code is 103TC1900X with license number 31261 (TX). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1932359577
- Provider Name
- CHRISTOPHER LYNN STJOHN PHD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4500 S LANCASTER RD DALLAS, TX 75216
- Location Phone
- (214) 857-0772
- Location Fax
- (214) 857-0911
- Mailing Address
- 4500 S LANCASTER RD DALLAS, TX 75216
- Mailing Phone
- (214) 857-0772
- Mailing Fax
- (214) 857-0911
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-19-2008
- Last Update Date
- 09-19-2008
- 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
Psychologist Counseling
- Taxonomy Code
- 103TC1900X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 31261
- License State
- TX
- Taxonomy Description
- A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.
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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 1932359577, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).
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 73 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.
DALLAS, TX 75216
DALLAS, TX 75216
DALLAS, TX 75216
DALLAS, TX 75216
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1932359577, enumerated as an "individual" on September 19, 2008.
The provider is located at 4500 S LANCASTER RD DALLAS, TX 75216 and the phone number is (214) 857-0772.
Psychologist with taxonomy code 103TC1900X and a focus in Counseling.
