DR. CHERYL L. MENDELSOHN PSYD
NPI 1265572994
Specialist in Deer Park, NY

NPI Status: Active since February 08, 2007

Contact Information

59 EASTWOOD AVE
DEER PARK, NY
ZIP 11729
Phone: (631) 243-0349
Fax: (631) 243-0349

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  • Individual
  • Female
  • Specialist

About CHERYL MENDELSOHN

This page provides the complete NPI Profile along with additional information for Cheryl Mendelsohn, a provider established in Deer Park, New York with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1265572994 assigned on February 2007. The practitioner's primary taxonomy code is 174400000X with license number 011899 (NY). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1265572994
Provider Name
DR. CHERYL L. MENDELSOHN PSYD
Gender
Female
Entity Type
Individual
Location Address
59 EASTWOOD AVE DEER PARK, NY 11729
Location Phone
(631) 243-0349
Location Fax
(631) 243-0349
Mailing Address
59 EASTWOOD AVE DEER PARK, NY 11729
Mailing Phone
(631) 243-0349
Mailing Fax
(631) 243-0349
Is Sole Proprietor?
Yes
Enumeration Date
02-08-2007
Last Update Date
07-08-2007
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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.
011899
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 1265572994, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
2
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
7
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
4
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 6 → 12 → 3 5 → 10 → 1 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 1 + 0 + 7 + 4 + 9 + 1 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1265572994.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265572994, enumerated as an "individual" on February 08, 2007.

The provider is located at 59 EASTWOOD AVE DEER PARK, NY 11729 and the phone number is (631) 243-0349.

Specialist with taxonomy code 174400000X.