ERIK HOLDER MD/MPH
NPI 1639810757
Obstetrics & Gynecology in San Antonio, TX

NPI Status: Active since April 05, 2022

Contact Information

7703 FLOYD CURL DR
SAN ANTONIO, TX
ZIP 78229
Phone: (210) 567-7000

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  • Individual
  • Male
  • Obstetrics & Gynecology

About ERIK HOLDER

This page provides the complete NPI Profile along with additional information for Erik Holder, a women's health care provider established in San Antonio, Texas with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1639810757 assigned on April 2022. The practitioner's primary taxonomy code is 207V00000X with license number 1528234911 (TX). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1639810757
Provider Name
ERIK HOLDER MD/MPH
Gender
Male
Entity Type
Individual
Location Address
7703 FLOYD CURL DR SAN ANTONIO, TX 78229
Location Phone
(210) 567-7000
Mailing Address
525 S MAIN ST UPLAND, IN 46989
Mailing Phone
(765) 398-2159
Is Sole Proprietor?
Yes
Enumeration Date
04-05-2022
Last Update Date
04-05-2022
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Women's health care providers like Erik Holder treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
1528234911
License State
TX
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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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 1639810757, 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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 3 → 6 8 → 16 → 7 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 1 + 6 + 1 + 0 + 7 + 1 + 0 + 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 1639810757.

Other Providers at the Same Location


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

Pharmacist (Pharmacotherapy)
7703 FLOYD CURL DR, MSC 6220
SAN ANTONIO, TX 78229
Pharmacist (Pharmacotherapy)
7703 FLOYD CURL DR, MSC 6220
SAN ANTONIO, TX 78229
Pharmacist (Psychiatric)
7703 FLOYD CURL DR, MSC 6220
SAN ANTONIO, TX 78229
Dentist (Oral and Maxillofacial Surgery)
7703 FLOYD CURL DR
SAN ANTONIO, TX 78229
Dentist
7703 FLOYD CURL DR
SAN ANTONIO, TX 78229
Dentist (Oral and Maxillofacial Surgery)
7703 FLOYD CURL DR
SAN ANTONIO, TX 78229
Dentist (Oral and Maxillofacial Surgery)
7703 FLOYD CURL DR
SAN ANTONIO, TX 78229
Plastic Surgery
7703 FLOYD CURL DR
SAN ANTONIO, TX 78229
Dentist (Oral and Maxillofacial Surgery)
7703 FLOYD CURL DR
SAN ANTONIO, TX 78229
Nurse Anesthetist, Certified Registered
7703 FLOYD CURL DR, MC7977
SAN ANTONIO, TX 78229
Radiology (Diagnostic Radiology)
7703 FLOYD CURL DR, MC 7800
SAN ANTONIO, TX 78229
Psychologist (Clinical)
7703 FLOYD CURL DR
SAN ANTONIO, TX 78229
Dentist (Pediatric Dentistry)
7703 FLOYD CURL DR, MAIL CODE 7888
SAN ANTONIO, TX 78229
Dentist (General Practice)
7703 FLOYD CURL DR
SAN ANTONIO, TX 78229
Internal Medicine (Medical Oncology)
7703 FLOYD CURL DR, MC 7977
SAN ANTONIO, TX 78229
Internal Medicine (Rheumatology)
7703 FLOYD CURL DR, MAIL CODE 7874
SAN ANTONIO, TX 78229
Ophthalmology
7703 FLOYD CURL DR, UTHSCSA OPHTHALMOLOGY
SAN ANTONIO, TX 78229
Obstetrics & Gynecology (Maternal & Fetal Medicine)
7703 FLOYD CURL DR, DEPT OB/GYN
SAN ANTONIO, TX 78229
Radiology (Vascular & Interventional Radiology)
7703 FLOYD CURL DR, MAIL CODE 7800
SAN ANTONIO, TX 78229
Surgery
7703 FLOYD CURL DR, MC 7840
SAN ANTONIO, TX 78229

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639810757, enumerated as an "individual" on April 05, 2022.

The provider is located at 7703 FLOYD CURL DR SAN ANTONIO, TX 78229 and the phone number is (210) 567-7000.

Obstetrics & Gynecology with taxonomy code 207V00000X.