DR. MARION BREWSTER SWANSON PSY.D.
NPI 1548533326
Psychologist - School in Williamsburg, VA
NPI Status: Active since February 09, 2012
Contact Information
424 W DUKE OF GLOUCESTER ST STE 205
WILLIAMSBURG, VA
ZIP 23185
Phone: (757) 506-4380
Fax: (888) 490-2313
- Individual
- Female
- Psychologist
- School
About MARION SWANSON
This page provides the complete NPI Profile along with additional information for Marion Swanson, a provider established in Williamsburg, Virginia with a medical specialization in Psychologist, focusing in school . The healthcare provider is registered in the NPI registry with number 1548533326 assigned on February 2012. The practitioner's primary taxonomy code is 103TS0200X with license number 0803000245 (VA). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1548533326
- Provider Name
- DR. MARION BREWSTER SWANSON PSY.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 424 W DUKE OF GLOUCESTER ST STE 205 WILLIAMSBURG, VA 23185
- Location Phone
- (757) 506-4380
- Location Fax
- (888) 490-2313
- Mailing Address
- 3001 S CHASE WILLIAMSBURG, VA 23185
- Mailing Phone
- (757) 506-4380
- Mailing Fax
- (888) 490-2313
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-09-2012
- Last Update Date
- 05-26-2026
- 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
Psychologist School
- Taxonomy Code
- 103TS0200X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 0803000245
- License State
- VA
- Taxonomy Description
- A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development
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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 1548533326, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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 64 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1548533326, enumerated as an "individual" on February 09, 2012.
The provider is located at 424 W DUKE OF GLOUCESTER ST STE 205 WILLIAMSBURG, VA 23185 and the phone number is (757) 506-4380.
Psychologist with taxonomy code 103TS0200X and a focus in School.
