DR. DEVIN CROKER PHARMD.
NPI 1891673844
Pharmacist - Oncology in Atlanta, GA

NPI Status: Active since August 26, 2025

Contact Information

36 LINDEN AVE NE
ATLANTA, GA
ZIP 30308
Phone: (404) 686-5787

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

Individual
Pharmacist
Oncology

About DEVIN CROKER

This page provides the complete NPI Profile along with additional information for Devin Croker, a provider established in Atlanta, Georgia operating as a Pharmacist, focusing in oncology . The healthcare provider is registered in the NPI registry with number 1891673844 assigned on August 2025. The practitioner's primary taxonomy code is 1835X0200X with license number RPH033077 (GA). The provider is registered as an individual and their NPI record was last updated one year ago.

NPI: 1891673844
Provider Name: DR. DEVIN CROKER PHARMD.
Gender
Entity Type: Individual
Location Address: 36 LINDEN AVE NE ATLANTA, GA 30308
Location Phone: (404) 686-5787
Mailing Address: 670 DEKALB AVE SE UNIT 1708 ATLANTA, GA 30312
Is Sole Proprietor?: No
Enumeration Date: 08-26-2025
Last Update Date: 08-26-2025
Code Navigator

A pharmacist like Devin Croker 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 Oncology
Taxonomy Code: 1835X0200X
Type: Pharmacy Service Providers
License No.: RPH033077
License State: GA
Taxonomy Description: A licensed pharmacist who has demonstrated specialized knowledge and skill in developing, recommending, implementing, monitoring, and modifying pharmacotherapeutic plans to optimize outcomes in patients with malignant diseases.

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 1891673844, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 12 → 1 + 2

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 8

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 9 → 18 → 9 6 → 12 → 3 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 2 + 7 + 6 + 8 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1891673844.