WILLIAM DUCK
NPI 1528917978
Nurse Practitioner - Neonatal in Birmingham, AL
NPI Status: Active since January 27, 2026
Contact Information
1601 FIFTH AVENUE SOUTH
BIRMINGHAM, AL
ZIP 35233
Phone: (205) 638-9174
NPPES record last updated: January 27, 2026. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Nurse Practitioner
- Neonatal
About WILLIAM DUCK
This page provides the complete NPI Profile along with additional information for William Duck, a provider established in Birmingham, Alabama with a medical specialization in Nurse Practitioner, focusing in neonatal . The healthcare provider is registered in the NPI registry with number 1528917978 assigned on January 2026. The practitioner's primary taxonomy code is 363LN0000X with license number 1-186530 (AL). The provider is registered as an individual and his NPI record was last updated January 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
- 1528917978
- Provider Name
- WILLIAM DUCK
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1601 FIFTH AVENUE SOUTH BIRMINGHAM, AL 35233
- Location Phone
- (205) 638-9174
- Mailing Address
- 5855 PLANTATION PINE DR MC CALLA, AL 35111
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-27-2026
- Last Update Date
- 01-27-2026
- Code Navigator
A nurse practitioner (NP) like William Duck is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.
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
Nurse Practitioner Neonatal
- Taxonomy Code
- 363LN0000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 1-186530
- License State
- AL
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.
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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 1528917978, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 72 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1528917978, enumerated as an "individual" on January 27, 2026.
The provider is located at 1601 FIFTH AVENUE SOUTH BIRMINGHAM, AL 35233 and the phone number is (205) 638-9174.
Nurse Practitioner with taxonomy code 363LN0000X and a focus in Neonatal.
