MR. CHRISTOPHER CHARLES YACK B.S., M.S.
NPI 1972868529
Specialist in Malverne, NY

NPI Status: Active since July 10, 2012

Contact Information

17 PARK AVE
MALVERNE, NY
ZIP 11565
Phone: (516) 837-3343
Fax: (516) 837-3343

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  • Individual
  • Male
  • Specialist

About CHRISTOPHER YACK

This page provides the complete NPI Profile along with additional information for Christopher Yack, a provider established in Malverne, New York with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1972868529 assigned on July 2012. The practitioner's primary taxonomy code is 174400000X with license number 2279246 (NY). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1972868529
Provider Name
MR. CHRISTOPHER CHARLES YACK B.S., M.S.
Gender
Male
Entity Type
Individual
Location Address
17 PARK AVE MALVERNE, NY 11565
Location Phone
(516) 837-3343
Location Fax
(516) 837-3343
Mailing Address
17 PARK AVE MALVERNE, NY 11565
Mailing Phone
(516) 837-3343
Mailing Fax
(516) 837-3343
Is Sole Proprietor?
No
Enumeration Date
07-10-2012
Last Update Date
07-10-2012
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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

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
2279246
License State
NY
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1972868529, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
Check
9
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 7 → 14 → 5 8 → 16 → 7 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 1 + 4 + 2 + 1 + 6 + 6 + 1 + 6 + 5 + 4 + 24 = 71

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1972868529.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972868529, enumerated as an "individual" on July 10, 2012.

The provider is located at 17 PARK AVE MALVERNE, NY 11565 and the phone number is (516) 837-3343.

Specialist with taxonomy code 174400000X.