ALEXANDER KORDONSKY, D.D.S., P.C.
NPI 1538319652
Clinic/Center - Dental in New York, NY

NPI Status: Active since September 25, 2008

Contact Information

404 E 66TH ST
SUITE 1F
NEW YORK, NY
ZIP 10065
Phone: (212) 249-1399
Fax: (212) 249-0821

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  • Organization
  • Clinic/Center
  • Dental

About ALEXANDER KORDONSKY, D.D.S., P.C.

This page provides the complete NPI Profile along with additional information for Alexander Kordonsky, D.d.s., P.c., a provider established in New York, New York operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1538319652 assigned on September 2008. The practitioner's primary taxonomy code is 261QD0000X with license number 045039 (NY). The provider is registered as an organization and their NPI record was last updated 14 years ago. The authorized official of this NPI record is Alexander Kordonsky D.d.s. (President)

NPI
1538319652
Provider Name
ALEXANDER KORDONSKY, D.D.S., P.C.
Entity Type
Organization
Location Address
404 E 66TH ST SUITE 1F NEW YORK, NY 10065
Location Phone
(212) 249-1399
Location Fax
(212) 249-0821
Mailing Address
404 E 66TH ST SUITE 1F NEW YORK, NY 10065
Mailing Phone
(212) 249-1399
Mailing Fax
(212) 249-0821
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-25-2008
Last Update Date
01-23-2012
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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

Clinic/Center Dental

Taxonomy Code
261QD0000X
Type
Ambulatory Health Care Facilities
License No.
045039
License State
NY

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

ALEXANDER KORDONSKY D.D.S.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(212) 249-1399

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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 1538319652, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 6 + 1 + 1 + 8 + 6 + 1 + 0 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1538319652.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Dentist
404 E 66TH ST, SUITE 1F
NEW YORK, NY 10065
Surgery (Surgical Oncology)
404 E 66TH ST, APT 2P
NEW YORK, NY 10065
Obstetrics & Gynecology (Gynecologic Oncology)
404 E 66TH ST, APT 3F
NEW YORK, NY 10065
Surgery (Pediatric Surgery)
404 E 66TH ST
NEW YORK, NY 10065
Student in an Organized Health Care Education/Training Program
404 E 66TH ST, 4J
NEW YORK, NY 10065
Student in an Organized Health Care Education/Training Program
404 E 66TH ST, 4J
NEW YORK, NY 10065

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538319652, enumerated as an "organization" on September 25, 2008.

The provider is located at 404 E 66TH ST SUITE 1F NEW YORK, NY 10065 and the phone number is (212) 249-1399.

Clinic/Center with taxonomy code 261QD0000X and a focus in Dental.