DR. RUSSELL THOMAS CARROLL PSY.D.
NPI 1386842664
Clinical Neuropsychologist in Fort Sam Houston, TX

NPI Status: Active since July 06, 2007

Contact Information

3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX
ZIP 78234
Phone: (210) 916-8693
Fax: (210) 916-6679

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  • Individual
  • Male
  • Clinical Neuropsychologist

About RUSSELL CARROLL

This page provides the complete NPI Profile along with additional information for Russell Carroll, a provider established in Fort Sam Houston, Texas with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1386842664 assigned on July 2007. The practitioner's primary taxonomy code is 103G00000X. The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1386842664
Provider Name
DR. RUSSELL THOMAS CARROLL PSY.D.
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
3551 ROGER BROOKE DR FORT SAM HOUSTON, TX 78234
Location Phone
(210) 916-8693
Location Fax
(210) 916-6679
Mailing Address
3551 ROGER BROOKE DR FORT SAM HOUSTON, TX 78234
Mailing Phone
(210) 916-8693
Mailing Fax
(210) 916-6679
Is Sole Proprietor?
No
Enumeration Date
07-06-2007
Last Update Date
05-11-2020
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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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
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)
1103T00000XBehavioral Health & Social Service Providers

Psychologist

 

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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 1386842664, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 8 → 16 → 7 8 → 16 → 7 2 → 4 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 1 + 6 + 4 + 4 + 6 + 1 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1386842664.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pediatrics
3551 ROGER BROOKE DR, DEPARTMENT OF PEDIATRICS/ADOLESCENT MEDICINE
FORT SAM HOUSTON, TX 78234
Pediatrics (Pediatric Cardiology)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Pediatrics (Neonatal-Perinatal Medicine)
3551 ROGER BROOKE DR, NEONATOLOGY
FORT SAM HOUSTON, TX 78234
Nurse Practitioner (Primary Care)
3551 ROGER BROOKE DR, DEPARTMENT OF PEDIATRICS/ADOLESCENT MEDICINE
FORT SAM HOUSTON, TX 78234
Student in an Organized Health Care Education/Training Program
3551 ROGER BROOKE DR, MCHE/ME
FORT SAM HOUSTON, TX 78234
Student in an Organized Health Care Education/Training Program
3551 ROGER BROOKE DR, MCHE-QD(CREDS)
FORT SAM HOUSTON, TX 78234
Occupational Therapist
3551 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Internal Medicine (Infectious Disease)
3551 ROGER BROOKE DR, MCHE-QD, BLDG 3600
FORT SAM HOUSTON, TX 78234
Urology
3551 ROGER BROOKE DR, MCHE-SDU, BUILDING 3600
SAN ANTONIO, TX 78234
Occupational Therapist
3551 ROGER BROOKE DR
SAN ANTONIO, TX 78234
Occupational Therapist
3551 ROGER BROOKE DR, MCHE-QD (CREDS)
SAN ANTONIO, TX 78234
Internal Medicine (Infectious Disease)
3551 ROGER BROOKE DR, MCHE-MDI
FORT SAM HOUSTON, TX 78234
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
3551 ROGER BROOKE DR, RM 114-13 (OCCUPTIONAL HEALTH/PREVENTIVE MEDICINE)
SAN ANTONIO, TX 78234
Physician Assistant
3551 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
Hospitalist
3551 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
Student in an Organized Health Care Education/Training Program
3551 ROGER BROOKE DR, MCHE/ME
SAN ANTONIO, TX 78234
Student in an Organized Health Care Education/Training Program
3551 ROGER BROOKE DR, MCHE/ME
SAN ANTONIO, TX 78234
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3551 ROGER BROOKE DR, ATTN: MCHE-MDE
FORT SAM HOUSTON, TX 78234
Internal Medicine (Pulmonary Disease)
3551 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
Psychiatry & Neurology (Neuromuscular Medicine)
3551 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER DEPT OF NEUROLOGY
SAN ANTONIO, TX 78234

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386842664, enumerated as an "individual" on July 06, 2007.

The provider is located at 3551 ROGER BROOKE DR FORT SAM HOUSTON, TX 78234 and the phone number is (210) 916-8693.

Clinical Neuropsychologist with taxonomy code 103G00000X.