DR. GARY DANIEL SOUTHWELL PH.D.
NPI 1538235908
Clinical Neuropsychologist in Olympia, WA
NPI Status: Active since November 28, 2006
Contact Information
9643 39TH LOOP NE
OLYMPIA, WA
ZIP 98516
Phone: (360) 951-8647
- Individual
- Male
- Clinical Neuropsychologist
About GARY SOUTHWELL
This page provides the complete NPI Profile along with additional information for Gary Southwell, a provider established in Olympia, Washington with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1538235908 assigned on November 2006. The practitioner's primary taxonomy code is 103G00000X with license number PY 60423359 (WA). The provider is registered as an individual and his NPI record was last updated 10 years ago.
- NPI
- 1538235908
- Provider Name
- DR. GARY DANIEL SOUTHWELL PH.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 9643 39TH LOOP NE OLYMPIA, WA 98516
- Location Phone
- (360) 951-8647
- Mailing Address
- 9643 39TH LOOP NE OLYMPIA, WA 98516
- Mailing Phone
- (360) 951-8647
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-28-2006
- Last Update Date
- 10-31-2016
- 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
Clinical Neuropsychologist
- Taxonomy Code
- 103G00000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- PY 60423359
- License State
- WA
- Taxonomy Description
- A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 103TC0700X | Behavioral Health & Social Service Providers | Psychologist | 1655 (AZ) |
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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 1538235908, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538235908, enumerated as an "individual" on November 28, 2006.
The provider is located at 9643 39TH LOOP NE OLYMPIA, WA 98516 and the phone number is (360) 951-8647.
Clinical Neuropsychologist with taxonomy code 103G00000X.
