SANDRA P VILLARREAL CFTS
NPI 1407988611
Specialist in San Antonio, TX

NPI Status: Active since March 12, 2007

Contact Information

540 MADISON OAK DR
SUITE 270
SAN ANTONIO, TX
ZIP 78258
Phone: (210) 495-3399

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  • Individual
  • Female
  • Specialist

About SANDRA VILLARREAL

This page provides the complete NPI Profile along with additional information for Sandra Villarreal, a provider established in San Antonio, Texas with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1407988611 assigned on March 2007. The practitioner's primary taxonomy code is 174400000X with license number CFTS0114 (DE). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1407988611
Provider Name
SANDRA P VILLARREAL CFTS
Gender
Female
Entity Type
Individual
Location Address
540 MADISON OAK DR SUITE 270 SAN ANTONIO, TX 78258
Location Phone
(210) 495-3399
Mailing Address
9131 OCEAN PORT ST SAN ANTONIO, TX 78242
Mailing Phone
(210) 623-8125
Is Sole Proprietor?
No
Enumeration Date
03-12-2007
Last Update Date
07-08-2007
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
CFTS0114
License State
DE
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1407988611, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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
0
Doubled → 0
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
1
Doubled → 2
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 0 → 0 9 → 18 → 9 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 1 + 8 + 8 + 1 + 6 + 6 + 2 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1407988611.

Other Providers at the Same Location


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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
540 MADISON OAK DR, SUITE 270
SAN ANTONIO, TX 78258
Internal Medicine (Hematology & Oncology)
540 MADISON OAK DR, SUITE#200
SAN ANTONIO, TX 78258
Surgery (Plastic and Reconstructive Surgery)
540 MADISON OAK DR, SUITE 560
SAN ANTONIO, TX 78258
Physical Therapist
540 MADISON OAK DR, SUITE 360
SAN ANTONIO, TX 78258
Physical Therapist
540 MADISON OAK DR, SUITE 360
SAN ANTONIO, TX 78258
Specialist/Technologist (Athletic Trainer)
540 MADISON OAK DR, SUITE 690
SAN ANTONIO, TX 78258
Family Medicine
540 MADISON OAK DR, SUITE 340
SAN ANTONIO, TX 78258
Family Medicine
540 MADISON OAK DR, SUITE 340
SAN ANTONIO, TX 78258
Internal Medicine (Gastroenterology)
540 MADISON OAK DR, SUITE #520
SAN ANTONIO, TX 78258
Obstetrics & Gynecology (Gynecologic Oncology)
540 MADISON OAK DR, STE #570
SAN ANTONIO, TX 78258
Clinic/Center (Medical Specialty)
540 MADISON OAK DR, SUITE 130
SAN ANTONIO, TX 78258
Nurse Practitioner (Adult Health)
540 MADISON OAK DR, SUITE 560
SAN ANTONIO, TX 78258
Clinic/Center (Medical Specialty)
540 MADISON OAK DR, SUITE #210
SAN ANTONIO, TX 78258
Internal Medicine (Endocrinology, Diabetes & Metabolism)
540 MADISON OAK DR, SUITE 270
SAN ANTONIO, TX 78258
Orthopaedic Surgery (Foot and Ankle Surgery)
540 MADISON OAK DR, SUITE 350
SAN ANTONIO, TX 78258
Orthopaedic Surgery
540 MADISON OAK DR, SUITE 690
SAN ANTONIO, TX 78258
Orthopaedic Surgery
540 MADISON OAK DR, #690
SAN ANTONIO, TX 78258
Surgery
540 MADISON OAK DR, SUITE 320
SAN ANTONIO, TX 78258
Physician Assistant (Surgical)
540 MADISON OAK DR, SUITE 610
SAN ANTONIO, TX 78258
Chiropractor (Nutrition)
540 MADISON OAK DR, STE. 140
SAN ANTONIO, TX 78258

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407988611, enumerated as an "individual" on March 12, 2007.

The provider is located at 540 MADISON OAK DR SUITE 270 SAN ANTONIO, TX 78258 and the phone number is (210) 495-3399.

Specialist with taxonomy code 174400000X.