GRETCHEN SHAHAN
NPI 1669861233
Clinic/Center - Health Service in Wilmington, DE
NPI Status: Active since January 20, 2015
Contact Information
1311 BRANDYWINE BLVD
WILMINGTON, DE
ZIP 19809
Phone: (302) 793-5072
- Individual
- Female
- Clinic/Center
- Health Service
About GRETCHEN SHAHAN
This page provides the complete NPI Profile along with additional information for Gretchen Shahan, a provider established in Wilmington, Delaware with a medical specialization in Clinic/center, focusing in health service . The healthcare provider is registered in the NPI registry with number 1669861233 assigned on January 2015. The practitioner's primary taxonomy code is 261QH0100X with license number J1-0001643 (DE). The provider is registered as an individual and her NPI record was last updated 11 years ago.
- NPI
- 1669861233
- Provider Name
- GRETCHEN SHAHAN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1311 BRANDYWINE BLVD WILMINGTON, DE 19809
- Location Phone
- (302) 793-5072
- Mailing Address
- 2716 KESWICK CT WILMINGTON, DE 19808
- Mailing Phone
- (302) 793-5072
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-20-2015
- Last Update Date
- 01-20-2015
- 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
Clinic/Center Health Service
- Taxonomy Code
- 261QH0100X
- Type
- Ambulatory Health Care Facilities
- License No.
- J1-0001643
- License State
- DE
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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 1669861233, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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 67 is 70. The difference is the calculated check digit.
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Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669861233, enumerated as an "individual" on January 20, 2015.
The provider is located at 1311 BRANDYWINE BLVD WILMINGTON, DE 19809 and the phone number is (302) 793-5072.
Clinic/Center with taxonomy code 261QH0100X and a focus in Health Service.
