MRS. MARIEL MACHUCA KOH ACNP
NPI 1245103753
Nurse Practitioner - Acute Care in Houston, TX
NPI Status: Active since September 29, 2025
Contact Information
6550 FANNIN ST
HOUSTON, TX
ZIP 77030
Phone: (713) 441-6172
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Nurse Practitioner
- Acute Care
About MARIEL KOH
This page provides the complete NPI Profile along with additional information for Mariel Koh, a provider established in Houston, Texas with a medical specialization in Nurse Practitioner, focusing in acute care . The healthcare provider is registered in the NPI registry with number 1245103753 assigned on September 2025. The practitioner's primary taxonomy code is 363LA2100X with license number 1195178 (TX). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1245103753
- Provider Name
- MRS. MARIEL MACHUCA KOH ACNP
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 6550 FANNIN ST HOUSTON, TX 77030
- Location Phone
- (713) 441-6172
- Mailing Address
- 6550 FANNIN ST STE 1661 HOUSTON, TX 77030
- Mailing Phone
- (713) 441-6172
- Is Sole Proprietor?
- No
- Enumeration Date
- 09-29-2025
- Last Update Date
- 06-04-2026
- Code Navigator
A nurse practitioner (NP) like Mariel Koh is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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
Nurse Practitioner Acute Care
- Taxonomy Code
- 363LA2100X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 1195178
- License State
- TX
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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 1245103753, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1245103753, enumerated as an "individual" on September 29, 2025.
The provider is located at 6550 FANNIN ST HOUSTON, TX 77030 and the phone number is (713) 441-6172.
Nurse Practitioner with taxonomy code 363LA2100X and a focus in Acute Care.
