DR. ALEXANDER MCMILLAN PHARMD
NPI 1457237158
Pharmacist in Brownsville, TX

NPI Status: Active since August 15, 2025

Contact Information

100 E ALTON GLOOR BLVD
BROWNSVILLE, TX
ZIP 78526
Phone: (956) 350-7000

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  • Individual
  • Male
  • Pharmacist

About ALEXANDER MCMILLAN

This page provides the complete NPI Profile along with additional information for Alexander Mcmillan, a provider established in Brownsville, Texas with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1457237158 assigned on August 2025. The practitioner's primary taxonomy code is 183500000X with license number 76132 (TX). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1457237158
Provider Name
DR. ALEXANDER MCMILLAN PHARMD
Gender
Male
Entity Type
Individual
Location Address
100 E ALTON GLOOR BLVD BROWNSVILLE, TX 78526
Location Phone
(956) 350-7000
Mailing Address
1143 CYPHER ST KINGSVILLE, TX 78363
Mailing Phone
(361) 455-2320
Is Sole Proprietor?
Yes
Enumeration Date
08-15-2025
Last Update Date
08-15-2025
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A pharmacist like Alexander Mcmillan 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

Taxonomy Code
183500000X
Type
Pharmacy Service Providers
License No.
76132
License State
TX
Taxonomy Description
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.

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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 1457237158, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
2
Doubled → 4
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
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 2 → 4 7 → 14 → 5 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 4 + 3 + 1 + 4 + 1 + 1 + 0 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1457237158.

Other Providers at the Same Location


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

Emergency Medicine
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Emergency Medicine
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
General Acute Care Hospital
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Clinic/Center (Ambulatory Surgical)
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Pediatrics
100 E ALTON GLOOR BLVD, STE# 120
BROWNSVILLE, TX 78526
Nurse Anesthetist, Certified Registered
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Anesthesiology
100 E ALTON GLOOR BLVD, VALLEY REGIONAL MEDICAL CENTER
BROWNSVILLE, TX 78526
Radiology (Diagnostic Radiology)
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Anesthesiology
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Pediatrics
100 E ALTON GLOOR BLVD, SUITE # 120, VALLEY REGIONAL MED. PLAZA
BROWNSVILLE, TX 78526
Occupational Therapist
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Physical Therapy Assistant
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Family Medicine
100 E ALTON GLOOR BLVD, SUITE 150
BROWNSVILLE, TX 78526
Pediatrics
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Radiology (Diagnostic Radiology)
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Emergency Medicine
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Emergency Medicine
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Nurse Practitioner (Family)
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Nurse Practitioner (Family)
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526
Internal Medicine
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 78526

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457237158, enumerated as an "individual" on August 15, 2025.

The provider is located at 100 E ALTON GLOOR BLVD BROWNSVILLE, TX 78526 and the phone number is (956) 350-7000.

Pharmacist with taxonomy code 183500000X.