APRIL D WILLIAMS RRA
NPI 1003776170
Radiology - Diagnostic Radiology in Leonardtown, MD
NPI Status: Active since November 12, 2025
Contact Information
25500 POINT LOOKOUT RD
LEONARDTOWN, MD
ZIP 20650
Phone: (240) 434-7763
Fax: (240) 434-7081
- Individual
- Female
- Radiology
- Diagnostic Radiology
About APRIL WILLIAMS
This page provides the complete NPI Profile along with additional information for April Williams, a provider established in Leonardtown, Maryland with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1003776170 assigned on November 2025. The practitioner's primary taxonomy code is 2085R0202X with license number K0000014 (MD). The provider is registered as an individual and her NPI record was last updated one year ago. April Williams operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.
- NPI
- 1003776170
- Provider Name
- APRIL D WILLIAMS RRA
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 25500 POINT LOOKOUT RD LEONARDTOWN, MD 20650
- Location Phone
- (240) 434-7763
- Location Fax
- (240) 434-7081
- Mailing Address
- 299 BUCKEYE CIR LA PLATA, MD 20646
- Mailing Phone
- (240) 434-7763
- Mailing Fax
- (240) 434-7081
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-12-2025
- Last Update Date
- 11-12-2025
- 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
Radiology Diagnostic Radiology
- Taxonomy Code
- 2085R0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- K0000014
- License State
- MD
- Taxonomy Description
- A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
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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 1003776170, we treat the final digit (0) 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).
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 50 is 50. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
LEONARDTOWN, MD 20650
LEONARDTOWN, MD 20650
LEONARDTOWN, MD 20650
LEONARDTOWN, MD 20650
LEONARDTOWN, MD 20650
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1003776170, enumerated as an "individual" on November 12, 2025.
The provider is located at 25500 POINT LOOKOUT RD LEONARDTOWN, MD 20650 and the phone number is (240) 434-7763.
Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.
