MR. WILLIAM ERB
NPI 1356518039
Contractor - Home Modifications in Concord, VA
NPI Status: Active since May 13, 2008
Contact Information
105 FARMCREST RD
CONCORD, VA
ZIP 24538
Phone: (434) 332-5946
- Individual
- Male
- Contractor
- Home Modifications
About WILLIAM ERB
This page provides the complete NPI Profile along with additional information for William Erb, a provider established in Concord, Virginia with a medical specialization in Contractor, focusing in home modifications . The healthcare provider is registered in the NPI registry with number 1356518039 assigned on May 2008. The practitioner's primary taxonomy code is 171WH0202X with license number 2705 096713 (VA). The provider is registered as an individual and his NPI record was last updated 18 years ago.
- NPI
- 1356518039
- Provider Name
- MR. WILLIAM ERB
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 105 FARMCREST RD CONCORD, VA 24538
- Location Phone
- (434) 332-5946
- Mailing Address
- 105 FARMCREST RD CONCORD, VA 24538
- Mailing Phone
- (434) 332-5946
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-13-2008
- Last Update Date
- 05-13-2008
- 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
Contractor Home Modifications
- Taxonomy Code
- 171WH0202X
- Type
- Other Service Providers
- License No.
- 2705 096713
- License State
- VA
- Taxonomy Description
- A contractor who makes modifications to homes to accommodate a health condition.
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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 1356518039, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).
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 51 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1356518039, enumerated as an "individual" on May 13, 2008.
The provider is located at 105 FARMCREST RD CONCORD, VA 24538 and the phone number is (434) 332-5946.
Contractor with taxonomy code 171WH0202X and a focus in Home Modifications.
