Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

HEPHZIBA YOHANNAN DO
NPI 1902592694
Emergency Medicine in Houston, TX

Active since April 14, 2023
6431 FANNIN ST, HOUSTON, TX 77030(713) 500-7885(713) 500-0625 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 16, 2026, Apr 14, 2023 (2 updates tracked since 2023).

  • Individual
  • Female
  • Emergency Medicine

About HEPHZIBA YOHANNAN

This page provides the complete NPI Profile along with additional information for Hephziba Yohannan, a provider established in Houston, Texas with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1902592694 assigned on April 2023. The practitioner's primary taxonomy code is 207P00000X with license number W4644 (TX). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1902592694
Provider Name
HEPHZIBA YOHANNAN DO
Gender
Female
Entity Type
Individual
Location Address
6431 FANNIN ST HOUSTON, TX 77030
Location Phone
(713) 500-7885
Location Fax
(713) 500-0625
Mailing Address
6414 FANNIN ST HOUSTON, TX 77030
Is Sole Proprietor?
No
Enumeration Date
04-14-2023
Last Update Date
07-16-2026
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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

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
License No.
W4644
License State
TX
Taxonomy Description
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

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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 1902592694, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
9
Unchanged
Pos 3
0
Doubled → 0
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
6
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 5 → 10 → 1 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 0 + 2 + 1 + 0 + 9 + 4 + 6 + 1 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1902592694.

Other Providers at the Same Location


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

Genetic Counselor, MS
6431 FANNIN ST, SUITE 3.148
HOUSTON, TX 77030
Pediatrics
6431 FANNIN ST, JJL 495
HOUSTON, TX 77030
Internal Medicine (Infectious Disease)
6431 FANNIN ST, 2.112 MSB
HOUSTON, TX 77030
Internal Medicine (Pulmonary Disease)
6431 FANNIN ST, MSB 1.274
HOUSTON, TX 77030
Emergency Medicine
6431 FANNIN ST, JJL 417
HOUSTON, TX 77030
Radiology (Diagnostic Radiology)
6431 FANNIN ST, 2132
HOUSTON, TX 77030
Anesthesiology
6431 FANNIN ST, 5020
HOUSTON, TX 77030
Physician Assistant (Surgical)
6431 FANNIN ST, 7148
HOUSTON, TX 77030
Pediatrics
6431 FANNIN ST, 3020
HOUSTON, TX 77030
Otolaryngology
6431 FANNIN ST, MSB 5.036
HOUSTON, TX 77030
Emergency Medicine
6431 FANNIN ST, EMERGENCY MEDICINE JJL 4TH FLOOR
HOUSTON, TX 77030
Anesthesiology
6431 FANNIN ST, MSB 5.020
HOUSTON, TX 77030
Anesthesiology
6431 FANNIN ST, MSB. 5.020
HOUSTON, TX 77030
Genetic Counselor, MS
6431 FANNIN ST, MSB 3.144
HOUSTON, TX 77030
Pediatrics
6431 FANNIN ST
HOUSTON, TX 77030
Emergency Medicine
6431 FANNIN ST, JJL 417
HOUSTON, TX 77030
Clinical Medical Laboratory
6431 FANNIN ST, 2.008
HOUSTON, TX 77030
Pathology (Clinical Pathology/Laboratory Medicine)
6431 FANNIN ST, MSB 2.258
HOUSTON, TX 77030
Internal Medicine (Gastroenterology)
6431 FANNIN ST, SUITE MSB 4.234
HOUSTON, TX 77030
Nurse Practitioner (Family)
6431 FANNIN ST, MSB 4.234
HOUSTON, TX 77030

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902592694, enumerated as an "individual" on April 14, 2023.

The provider is located at 6431 FANNIN ST HOUSTON, TX 77030 and the phone number is (713) 500-7885.

Emergency Medicine with taxonomy code 207P00000X.