DR. ROBERT FREDERICK WILLIAMS III PHD
NPI 1942425103
Specialist - Research Data Abstracter/Coder in Downingtown, PA
NPI Status: Active since April 14, 2007
Contact Information
1106 MELLIEN DR
DOWNINGTOWN, PA
ZIP 19335
Phone: (610) 518-4859
Fax: (610) 269-1176
- Individual
- Male
- Specialist
- Research Data Abstracter/Coder
About ROBERT WILLIAMS
This page provides the complete NPI Profile along with additional information for Robert Williams, a provider established in Downingtown, Pennsylvania with a medical specialization in Specialist, focusing in research data abstracter/coder . The healthcare provider is registered in the NPI registry with number 1942425103 assigned on April 2007. The practitioner's primary taxonomy code is 1744R1103X. The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1942425103
- Provider Name
- DR. ROBERT FREDERICK WILLIAMS III PHD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1106 MELLIEN DR DOWNINGTOWN, PA 19335
- Location Phone
- (610) 518-4859
- Location Fax
- (610) 269-1176
- Mailing Address
- 1106 MELLIEN DR DOWNINGTOWN, PA 19335
- Mailing Phone
- (610) 518-4859
- Mailing Fax
- (610) 269-1176
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-14-2007
- Last Update Date
- 07-08-2007
- 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
Specialist Research Data Abstracter/Coder
- Taxonomy Code
- 1744R1103X
- Type
- Other Service Providers
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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 1942425103, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1942425103, enumerated as an "individual" on April 14, 2007.
The provider is located at 1106 MELLIEN DR DOWNINGTOWN, PA 19335 and the phone number is (610) 518-4859.
Specialist with taxonomy code 1744R1103X and a focus in Research Data Abstracter/Coder.
