DR. ATHENA JANAK PHARMD, BCACP
NPI 1851635437
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Houston, TX

NPI Status: Active since November 20, 2012

Contact Information

6414 FANNIN ST
SUITE G-100
HOUSTON, TX
ZIP 77030
Phone: (713) 704-2626

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  • Individual
  • Female
  • Pharmacist
  • Pharmacist Clinician (PhC)/ Clinical Pha...

About ATHENA JANAK

This page provides the complete NPI Profile along with additional information for Athena Janak, a provider established in Houston, Texas with a medical specialization in Pharmacist, focusing in pharmacist clinician (phc)/ clinical pharmacy specialist . The healthcare provider is registered in the NPI registry with number 1851635437 assigned on November 2012. The practitioner's primary taxonomy code is 1835P0018X with license number 50894 (TX). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1851635437
Provider Name
DR. ATHENA JANAK PHARMD, BCACP
Gender
Female
Entity Type
Individual
Location Address
6414 FANNIN ST SUITE G-100 HOUSTON, TX 77030
Location Phone
(713) 704-2626
Mailing Address
6400 FANNIN ST STE 2210 HOUSTON, TX 77030
Is Sole Proprietor?
No
Enumeration Date
11-20-2012
Last Update Date
02-16-2026
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A pharmacist like Athena Janak fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

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

Pharmacist Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

Taxonomy Code
1835P0018X
Type
Pharmacy Service Providers
License No.
50894
License State
TX
Taxonomy Description
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.

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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 1851635437, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
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 5 → 10 → 1 6 → 12 → 3 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 2 + 3 + 1 + 0 + 4 + 6 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1851635437.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Urology
6414 FANNIN ST, G150
HOUSTON, TX 77030
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
6414 FANNIN ST, SUITE G100
HOUSTON, TX 77030
Pharmacist
6414 FANNIN ST, SUITE G-100
HOUSTON, TX 77030
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
6414 FANNIN ST, STE G100
HOUSTON, TX 77030
Urology
6414 FANNIN ST, G-150
HOUSTON, TX 77030
Orthopaedic Surgery (Orthopaedic Trauma)
6414 FANNIN ST, SUITE G-150
HOUSTON, TX 77030
Nurse Practitioner (Family)
6414 FANNIN ST, G150
HOUSTON, TX 77030
Physician Assistant (Surgical)
6414 FANNIN ST
HOUSTON, TX 77030
Urology
6414 FANNIN ST, G150
HOUSTON, TX 77030
Internal Medicine (Cardiovascular Disease)
6414 FANNIN ST
HOUSTON, TX 77030
Anesthesiologist Assistant
6414 FANNIN ST
HOUSTON, TX 77030
Anesthesiology (Pain Medicine)
6414 FANNIN ST
HOUSTON, TX 77030

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851635437, enumerated as an "individual" on November 20, 2012.

The provider is located at 6414 FANNIN ST SUITE G-100 HOUSTON, TX 77030 and the phone number is (713) 704-2626.

Pharmacist with taxonomy code 1835P0018X and a focus in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist.