MADELYN MURPHY PA-C
NPI 1861326621
Physician Assistant - Surgical in Snellville, GA

NPI Status: Active since June 09, 2026

Contact Information

1557 JANMAR RD
SNELLVILLE, GA
ZIP 30078
Phone: (678) 344-8900

Get Directions Write a Review

Newly Listed Provider
This NPI profile has been added to the NPI registry within the last 30 days.

Table of Contents

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

Individual
Female
Physician Assistant
Surgical

About MADELYN MURPHY

This page provides the complete NPI Profile along with additional information for Madelyn Murphy, a provider established in Snellville, Georgia with a medical specialization in Physician Assistant, focusing in surgical . The healthcare provider is registered in the NPI registry with number 1861326621 assigned on June 2026. The practitioner's primary taxonomy code is 363AS0400X. The provider is registered as an individual and her NPI record was last updated June 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI: 1861326621
Provider Name: MADELYN MURPHY PA-C
Gender: Female
Entity Type: Individual
Location Address: 1557 JANMAR RD SNELLVILLE, GA 30078
Location Phone: (678) 344-8900
Mailing Address: 1551 JANMAR RD SNELLVILLE, GA 30078
Mailing Phone: (678) 344-8900
Is Sole Proprietor?: Yes
Enumeration Date: 06-09-2026
Last Update Date: 06-09-2026
Code Navigator

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: Physician Assistant Surgical
Taxonomy Code: 363AS0400X
Type: Physician Assistants & Advanced Practice Nursing Providers

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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 1861326621, 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 → 12 → 1 + 2

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 12 → 1 + 2

Pos 8

Unchanged

Pos 9

Doubled → 4

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 6 → 12 → 3 3 → 6 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 6 + 2 + 1 + 2 + 6 + 4 + 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 1861326621.