ROBERT MARK DAVIS JR.
NPI 1841160751
Pharmacy Technician in Falfurrias, TX

NPI Status: Active since November 06, 2025

Contact Information

800 S SAINT MARYS ST
FALFURRIAS, TX
ZIP 78355
Phone: (361) 325-2910

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Pharmacy Technician

About ROBERT DAVIS

This page provides the complete NPI Profile along with additional information for Robert Davis, a provider established in Falfurrias, Texas with a medical specialization in Pharmacy Technician. The healthcare provider is registered in the NPI registry with number 1841160751 assigned on November 2025. The practitioner's primary taxonomy code is 183700000X. The provider is registered as an individual and his NPI record was last updated one year ago.

NPI: 1841160751
Provider Name: ROBERT MARK DAVIS JR.
Gender: Male
Entity Type: Individual
Location Address: 800 S SAINT MARYS ST FALFURRIAS, TX 78355
Location Phone: (361) 325-2910
Mailing Address: 800 S SAINT MARYS ST FALFURRIAS, TX 78355
Mailing Phone: (361) 325-2910
Is Sole Proprietor?: No
Enumeration Date: 11-06-2025
Last Update Date: 11-06-2025
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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: Pharmacy Technician
Taxonomy Code: 183700000X
Type: Pharmacy Service Providers
License State: TX
Taxonomy Description: A person who works under the direct supervision of a licensed pharmacist and performs many pharmacy-related functions that do not require the professional judgment of a pharmacist.

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 1841160751, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

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 4 → 8 1 → 2 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 + 8 + 8 + 1 + 2 + 6 + 0 + 7 + 1 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1841160751.