DR. SARA ANN VILLARREAL PHD
NPI 1417218041
Psychologist - Clinical in Fort Sam Houston, TX

NPI Status: Active since May 30, 2012

Contact Information

BROOKE ARMY MEDICAL CENTER
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX
ZIP 78234
Phone: (210) 539-1081

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  • Individual
  • Female
  • Psychologist
  • Clinical

About SARA VILLARREAL

This page provides the complete NPI Profile along with additional information for Sara Villarreal, a provider established in Fort Sam Houston, Texas with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1417218041 assigned on May 2012. The practitioner's primary taxonomy code is 103TC0700X with license number 1817 (AL). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1417218041
Provider Name
DR. SARA ANN VILLARREAL PHD
Gender
Female
Entity Type
Individual
Location Address
BROOKE ARMY MEDICAL CENTER 3551 ROGER BROOKE DR FORT SAM HOUSTON, TX 78234
Location Phone
(210) 539-1081
Mailing Address
3551 ROGER BROOKE DR JBSA FT SAM HOUSTON, TX 78234
Mailing Phone
(210) 808-2585
Is Sole Proprietor?
No
Enumeration Date
05-30-2012
Last Update Date
12-28-2022
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A clinical psychologist like Sara Villarreal assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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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 Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
1817
License State
AL
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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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 1417218041, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 2 + 7 + 4 + 1 + 1 + 6 + 0 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1417218041.

Other Providers at the Same Location


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

Surgery (Vascular Surgery)
BROOKE ARMY MEDICAL CENTER, 3851 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
BROOKE ARMY MEDICAL CENTER, 3851 ROGER BROOKE DR, MCHE-QD/CREDENTIALS
FORT SAM HOUSTON, TX 78234
Emergency Medicine
BROOKE ARMY MEDICAL CENTER, MCHE-QD/CREDENTIALS 3851 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Physical Therapist (Sports)
BROOKE ARMY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
Dermatology
BROOKE ARMY MEDICAL CENTER, MCHE-QD (CREDS)
SAN ANTONIO, TX 78234
Psychiatry & Neurology (Neurology)
BROOKE ARMY MEDICAL CENTER, 3851 ROGER BROOKE DRIVE
FORT SAM HOUSTON, TX 78234
Clinical Neuropsychologist
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR.
JBSA FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR.
FORT SAM HOUSTON, TX 78234
Psychologist
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR
JBSA FORT SAM HOUSTON, TX 78234
Internal Medicine (Cardiovascular Disease)
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Physician Assistant
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR
JBSA FSH, TX 78234
Internal Medicine
BROOKE ARMY MEDICAL CENTER, 3851 ROGER BROOKE DRIVE
SAN ANTONIO, TX 78234
Social Worker (Clinical)
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR.
FORT SAM HOUSTON, TX 78234
Psychologist (Clinical)
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR.
FT. SAM HOUSTON, TX 78234
Internal Medicine
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Physician Assistant
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR
JBSA SAN ANTONIO, TX 78234
Anesthesiology
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DRIVE
JBSA FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR, JBSA-FT. SAM HOUSTON
SAN ANTONIO, TX 78234
Nurse Anesthetist, Certified Registered
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Psychologist (Clinical)
BROOKE ARMY MEDICAL CENTER, 3551 ROGER BROOKE DRIVE
JBSA FORT SAM HOUSTON, TX 78234

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1417218041, enumerated as an "individual" on May 30, 2012.

The provider is located at BROOKE ARMY MEDICAL CENTER 3551 ROGER BROOKE DR FORT SAM HOUSTON, TX 78234 and the phone number is (210) 539-1081.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.