HILLARY ESPLEN
NPI 1306647797
Genetic Counselor, MS in San Antonio, TX

NPI Status: Active since March 21, 2025

Contact Information

333 N SANTA ROSA
SAN ANTONIO, TX
ZIP 78207
Phone: (210) 704-2421

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  • Individual
  • Female
  • Genetic Counselor, MS

About HILLARY ESPLEN

This page provides the complete NPI Profile along with additional information for Hillary Esplen, a provider established in San Antonio, Texas with a medical specialization in Genetic Counselor, Ms. The healthcare provider is registered in the NPI registry with number 1306647797 assigned on March 2025. The practitioner's primary taxonomy code is 170300000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1306647797
Provider Name
HILLARY ESPLEN
Gender
Female
Entity Type
Individual
Location Address
333 N SANTA ROSA SAN ANTONIO, TX 78207
Location Phone
(210) 704-2421
Mailing Address
2326 ECHOING OAK NEW BRAUNFELS, TX 78132
Is Sole Proprietor?
No
Enumeration Date
03-21-2025
Last Update Date
07-16-2025
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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

Genetic Counselor, MS

Taxonomy Code
170300000X
Type
Other Service Providers
Taxonomy Description
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.

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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 1306647797, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
7
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 6 → 12 → 3 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 2 + 4 + 1 + 4 + 7 + 1 + 8 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1306647797.

Other Providers at the Same Location


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

Pediatrics (Pediatric Hematology-Oncology)
333 N SANTA ROSA, EIGHTH FLOOR
SAN ANTONIO, TX 78207
Nurse Practitioner (Neonatal)
333 N SANTA ROSA, 1ST FLOOR
SAN ANTONIO, TX 78207
Specialist
333 N SANTA ROSA, SUITE F2658
SAN ANTONIO, TX 78207
Psychologist
333 N SANTA ROSA, RM B8208
SAN ANTONIO, TX 78207
Student in an Organized Health Care Education/Training Program
333 N SANTA ROSA, CENTER FOR CHILDREN & FAMILES, 4TH FLOOR
SAN ANTONIO, TX 78207
Pediatrics (Pediatric Emergency Medicine)
333 N SANTA ROSA, CHILDREN'S EMERGENCY SERVICES
SAN ANTONIO, TX 78207
Nurse Practitioner (Pediatrics)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Genetic Counselor, MS
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Dietitian, Registered (Nutrition, Pediatric)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Student in an Organized Health Care Education/Training Program
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Student in an Organized Health Care Education/Training Program
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Student in an Organized Health Care Education/Training Program
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Respiratory Therapist, Registered (Neonatal/Pediatrics)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Audiologist
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Nurse Practitioner (Pediatrics)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics (Pediatric Gastroenterology)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics
333 N SANTA ROSA
SAN ANTONIO, TX 78207

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306647797, enumerated as an "individual" on March 21, 2025.

The provider is located at 333 N SANTA ROSA SAN ANTONIO, TX 78207 and the phone number is (210) 704-2421.

Genetic Counselor, MS with taxonomy code 170300000X.