DR. STEPHEN LEIGH SLOAN PH. D.
NPI 1326928805
Psychologist - Cognitive & Behavioral in Marietta, GA

NPI Status: Active since September 04, 2025

Contact Information

705 LAUREL CHASE SW
MARIETTA, GA
ZIP 30064
Phone: (706) 473-5757
Fax: (706) 473-5757

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  • Individual
  • Male
  • Psychologist
  • Cognitive & Behavioral

About STEPHEN SLOAN

This page provides the complete NPI Profile along with additional information for Stephen Sloan, a provider established in Marietta, Georgia with a medical specialization in Psychologist, focusing in cognitive & behavioral . The healthcare provider is registered in the NPI registry with number 1326928805 assigned on September 2025. The practitioner's primary taxonomy code is 103TB0200X with license number 0001139 (GA). The provider is registered as an individual and his NPI record was last updated one year ago. Stephen Sloan operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.

NPI
1326928805
Provider Name
DR. STEPHEN LEIGH SLOAN PH. D.
Gender
Male
Entity Type
Individual
Location Address
705 LAUREL CHASE SW MARIETTA, GA 30064
Location Phone
(706) 473-5757
Location Fax
(706) 473-5757
Mailing Address
705 LAUREL CHASE SW MARIETTA, GA 30064
Mailing Phone
(706) 473-5757
Mailing Fax
(706) 473-5757
Is Sole Proprietor?
Yes
Enumeration Date
09-04-2025
Last Update Date
09-04-2025
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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 Cognitive & Behavioral

Taxonomy Code
103TB0200X
Type
Behavioral Health & Social Service Providers
License No.
0001139
License State
GA
Taxonomy Description
A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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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 1326928805, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
2
Doubled → 4
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
Check
5
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 2 → 4 9 → 18 → 9 8 → 16 → 7 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 4 + 6 + 1 + 8 + 2 + 1 + 6 + 8 + 0 + 24 = 65

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1326928805.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326928805, enumerated as an "individual" on September 04, 2025.

The provider is located at 705 LAUREL CHASE SW MARIETTA, GA 30064 and the phone number is (706) 473-5757.

Psychologist with taxonomy code 103TB0200X and a focus in Cognitive & Behavioral.