LEONARD OPTICIANS, LTD
NPI 1912944851
Durable Medical Equipment & Medical Supplies in New York, NY

NPI Status: Active since May 31, 2006

Contact Information

40 W 55TH ST
NEW YORK, NY
ZIP 10019
Phone: (212) 246-4452
Fax: (212) 541-5501

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  • Organization
  • Durable Medical Equipment & Medical Supp...

About LEONARD OPTICIANS, LTD

This page provides the complete NPI Profile along with additional information for Leonard Opticians, Ltd, a provider established in New York, New York operating as a Durable Medical Equipment & Medical Supplies. The healthcare provider is registered in the NPI registry with number 1912944851 assigned on May 2006. The practitioner's primary taxonomy code is 332B00000X with license number 003711-1 (NY). The provider is registered as an organization and their NPI record was last updated 6 years ago. The authorized official of this NPI record is Mr. Arthur R Leonard (President)

NPI
1912944851
Provider Name
LEONARD OPTICIANS, LTD
Entity Type
Organization
Location Address
40 W 55TH ST NEW YORK, NY 10019
Location Phone
(212) 246-4452
Location Fax
(212) 541-5501
Mailing Address
40 W 55TH ST NEW YORK, NY 10019
Mailing Phone
(212) 246-4452
Mailing Fax
(212) 541-5501
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-31-2006
Last Update Date
08-22-2020
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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

Durable Medical Equipment & Medical Supplies

Taxonomy Code
332B00000X
Type
Suppliers
License No.
003711-1
License State
NY
Taxonomy Description
A supplier of medical equipment such as respirators, wheelchairs, home dialysis systems, or monitoring systems, that are prescribed by a physician for a patient's use in the home and that are usable for an extended period of time.

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

MR. ARTHUR R LEONARD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(212) 246-4452

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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 1912944851, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 8 + 4 + 8 + 8 + 1 + 0 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1912944851.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Dentist (General Practice)
40 W 55TH ST, SUITE 1C
NEW YORK, NY 10019

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912944851, enumerated as an "organization" on May 31, 2006.

The provider is located at 40 W 55TH ST NEW YORK, NY 10019 and the phone number is (212) 246-4452.

Durable Medical Equipment & Medical Supplies with taxonomy code 332B00000X.