FHST DIAGNOSTIC SERVICES PLLC
NPI 1245789619
Family Medicine in San Antonio, TX

NPI Status: Active since September 27, 2016

Contact Information

11212 STATE HIGHWAY 151
MEDICAL PLAZA STE 240
SAN ANTONIO, TX
ZIP 78251
Phone: (210) 682-9434
Fax: (210) 682-9435

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NPPES record last updated: September 27, 2016. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Organization
  • Family Medicine

About FHST DIAGNOSTIC SERVICES PLLC

This page provides the complete NPI Profile along with additional information for Fhst Diagnostic Services Pllc, a primary care provider established in San Antonio, Texas operating as a Family Medicine. The healthcare provider is registered in the NPI registry with number 1245789619 assigned on September 2016. The practitioner's primary taxonomy code is 207Q00000X. The provider is registered as an organization and their NPI record was last updated 10 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Linda Esquivel Md (Managing Member)

NPI
1245789619
Provider Name
FHST DIAGNOSTIC SERVICES PLLC
Entity Type
Organization
Location Address
11212 STATE HIGHWAY 151 MEDICAL PLAZA STE 240 SAN ANTONIO, TX 78251
Location Phone
(210) 682-9434
Location Fax
(210) 682-9435
Mailing Address
11212 STATE HIGHWAY 151 MEDICAL PLAZA STE 240 SAN ANTONIO, TX 78251
Mailing Phone
(210) 682-9434
Mailing Fax
(210) 682-9435
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-27-2016
Last Update Date
09-27-2016
Code Navigator

A primary care provider (PCP) like Fhst Diagnostic Services Pllc sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

LINDA ESQUIVEL MD

Authorized Official Title
MANAGING MEMBER
Authorized Official Phone
(210) 682-9434

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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 1245789619, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
1
Doubled → 2
Check
9
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 4 → 8 7 → 14 → 5 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 1 + 4 + 8 + 1 + 8 + 6 + 2 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1245789619.

Other Providers at the Same Location


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

Plastic Surgery
11212 STATE HIGHWAY 151, SUITE 260
SAN ANTONIO, TX 78251
Plastic Surgery
11212 STATE HIGHWAY 151, SUITE 260
SAN ANTONIO, TX 78251
Internal Medicine
11212 STATE HIGHWAY 151, SUITE 190
SAN ANTONIO, TX 78251
Internal Medicine (Gastroenterology)
11212 STATE HIGHWAY 151, SUITE 270
SAN ANTONIO, TX 78251
Internal Medicine
11212 STATE HIGHWAY 151, SUITE 370
SAN ANTONIO, TX 78251
Pharmacist
11212 STATE HIGHWAY 151, PLAZA-2, SUITE 110
SAN ANTONIO, TX 78251
Internal Medicine (Hematology & Oncology)
11212 STATE HIGHWAY 151, BLDG 2, SUITE 120
SAN ANTONIO, TX 78251
Emergency Medicine (Emergency Medical Services)
11212 STATE HIGHWAY 151
SAN ANTONIO, TX 78251
Family Medicine
11212 STATE HIGHWAY 151, BUILDING 2, SUITE 201
SAN ANTONIO, TX 78251
Physician Assistant
11212 STATE HIGHWAY 151, CHRISTUS SANTA ROSA HOSPITAL WESTOVER HILLS
SAN ANTONIO, TX 78251
Physician Assistant (Medical)
11212 STATE HIGHWAY 151, SUITE 201
SAN ANTONIO, TX 78251
Dentist
11212 STATE HIGHWAY 151, STE # 209
SAN ANTONIO, TX 78251
Dentist
11212 STATE HIGHWAY 151, STE # 290
SAN ANTONIO, TX 78251
Nurse Practitioner (Family)
11212 STATE HIGHWAY 151, BLDG 2 , SUITE 200
SAN ANTONIO, TX 78251
Internal Medicine
11212 STATE HIGHWAY 151, MEDICAL PLAZA I, STE 190
SAN ANTONIO, TX 78251
Psychiatry & Neurology (Neurology)
11212 STATE HIGHWAY 151, PLAZA 1, STE 200
SAN ANTONIO, TX 78251
Dentist
11212 STATE HIGHWAY 151, SUITE 106 MEDICAL PLAZA 1
SAN ANTONIO, TX 78251
Psychiatry & Neurology (Neurology)
11212 STATE HIGHWAY 151, MEDICAL PLAZA 1, STE 200
SAN ANTONIO, TX 78251
Psychiatry & Neurology (Neurology)
11212 STATE HIGHWAY 151, PLAZA 1, SUITE 200
SAN ANTONIO, TX 78251
Specialist
11212 STATE HIGHWAY 151, MEDICAL PLAZA 1, SUITE 320
SAN ANTONIO, TX 78251

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245789619, enumerated as an "organization" on September 27, 2016.

The provider is located at 11212 STATE HIGHWAY 151 MEDICAL PLAZA STE 240 SAN ANTONIO, TX 78251 and the phone number is (210) 682-9434.

Family Medicine with taxonomy code 207Q00000X.