KEITH V WILLIAMSON PHYSICIAN ASSISTANT
NPI 1962618843
Physician Assistant - Surgical in New York, NY
NPI Status: Active since May 15, 2007
Contact Information
535 E 70TH ST
NEW YORK, NY
ZIP 10021
Phone: (212) 606-1909
Fax: (212) 879-6526
- Individual
- Male
- Physician Assistant
- Surgical
About KEITH WILLIAMSON
This page provides the complete NPI Profile along with additional information for Keith Williamson, a provider established in New York, New York with a medical specialization in Physician Assistant, focusing in surgical . The healthcare provider is registered in the NPI registry with number 1962618843 assigned on May 2007. The practitioner's primary taxonomy code is 363AS0400X with license number 007912 (NY). The provider is registered as an individual and his NPI record was last updated 5 years ago.
- NPI
- 1962618843
- Provider Name
- KEITH V WILLIAMSON PHYSICIAN ASSISTANT
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 535 E 70TH ST NEW YORK, NY 10021
- Location Phone
- (212) 606-1909
- Location Fax
- (212) 879-6526
- Mailing Address
- 535 E 70TH ST NEW YORK, NY 10021
- Mailing Phone
- (212) 606-1909
- Mailing Fax
- (212) 879-6526
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-15-2007
- Last Update Date
- 04-27-2021
- 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
Physician Assistant Surgical
- Taxonomy Code
- 363AS0400X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 007912
- License State
- NY
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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 1962618843, 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.
Other Providers at the Same Location
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NEW YORK, NY 10021
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1962618843, enumerated as an "individual" on May 15, 2007.
The provider is located at 535 E 70TH ST NEW YORK, NY 10021 and the phone number is (212) 606-1909.
Physician Assistant with taxonomy code 363AS0400X and a focus in Surgical.
