FRONIA WILLIAMS
NPI 1982549986
Specialist/Technologist Cardiovascular - Sonography in Birmingham, AL

NPI Status: Active since April 23, 2026

Contact Information

1308 TUSCALOOSA AVE SW
BIRMINGHAM, AL
ZIP 35211
Phone: (205) 679-6325

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

Individual
Female
Specialist/Technologist Cardiovascular
Sonography

About FRONIA WILLIAMS

This page provides the complete NPI Profile along with additional information for Fronia Williams, a provider established in Birmingham, Alabama with a medical specialization in Specialist/technologist Cardiovascular, focusing in sonography . The healthcare provider is registered in the NPI registry with number 1982549986 assigned on April 2026. The practitioner's primary taxonomy code is 246XS1301X with license number 149857 (AL). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI: 1982549986
Provider Name: FRONIA WILLIAMS
Gender: Female
Entity Type: Individual
Location Address: 1308 TUSCALOOSA AVE SW BIRMINGHAM, AL 35211
Location Phone: (205) 679-6325
Mailing Address: 405 BELCHER ST CENTREVILLE, AL 35042
Mailing Phone: (205) 926-2992
Mailing Fax
Is Sole Proprietor?: No
Enumeration Date: 04-23-2026
Last Update Date: 04-23-2026
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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: Specialist/Technologist Cardiovascular Sonography
Taxonomy Code: 246XS1301X
Type: Technologists, Technicians & Other Technical Service Providers
License No.: 149857
License State: AL

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 1982549986, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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 → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

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 8 → 16 → 7 5 → 10 → 1 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 0 + 4 + 1 + 8 + 9 + 1 + 6 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6

This NPI is valid

The calculated check digit is 6, which matches the last digit of 1982549986.