DR. CASSANDRA WILLIAMS DVM
NPI 1992002000
Veterinarian in West Islip, NY
NPI Status: Active since February 25, 2011
Contact Information
75 SUNRISE HWY
WEST ISLIP, NY
ZIP 11795
Phone: (631) 587-0800
Fax: (631) 587-2006
- Individual
- Female
- Veterinarian
About CASSANDRA WILLIAMS
This page provides the complete NPI Profile along with additional information for Cassandra Williams, a provider established in West Islip, New York with a medical specialization in Veterinarian. The healthcare provider is registered in the NPI registry with number 1992002000 assigned on February 2011. The practitioner's primary taxonomy code is 174M00000X with license number 010873 (NY). The provider is registered as an individual and her NPI record was last updated 15 years ago.
- NPI
- 1992002000
- Provider Name
- DR. CASSANDRA WILLIAMS DVM
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 75 SUNRISE HWY WEST ISLIP, NY 11795
- Location Phone
- (631) 587-0800
- Location Fax
- (631) 587-2006
- Mailing Address
- 75 SUNRISE HWY WEST ISLIP, NY 11795
- Mailing Phone
- (631) 587-0800
- Mailing Fax
- (631) 587-2006
- Is Sole Proprietor?
- No
- Enumeration Date
- 02-25-2011
- Last Update Date
- 02-25-2011
- 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
Veterinarian
- Taxonomy Code
- 174M00000X
- Type
- Other Service Providers
- License No.
- 010873
- License State
- NY
- Taxonomy Description
- A doctor of veterinary medicine, trained and authorized to practice veterinarian medicine and surgery.
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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 1992002000, 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 4 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1992002000, enumerated as an "individual" on February 25, 2011.
The provider is located at 75 SUNRISE HWY WEST ISLIP, NY 11795 and the phone number is (631) 587-0800.
Veterinarian with taxonomy code 174M00000X.
