GEFEN OPTICAL, LLC
NPI 1891936027
Eyewear Supplier in Lakewood, NJ

NPI Status: Active since March 18, 2009

Contact Information

30 GEFEN DR
LAKEWOOD, NJ
ZIP 08701
Phone: (732) 363-7505
Fax: (732) 363-2750

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  • Organization
  • Eyewear Supplier

About GEFEN OPTICAL, LLC

This page provides the complete NPI Profile along with additional information for Gefen Optical, Llc, a provider established in Lakewood, New Jersey operating as a Eyewear Supplier. The healthcare provider is registered in the NPI registry with number 1891936027 assigned on March 2009. The practitioner's primary taxonomy code is 332H00000X with license number 31TD00356800 (NJ). The provider is registered as an organization and their NPI record was last updated 17 years ago. The authorized official of this NPI record is Esther M Blumenkrantz (Owner)

NPI
1891936027
Provider Name
GEFEN OPTICAL, LLC
Entity Type
Organization
Location Address
30 GEFEN DR LAKEWOOD, NJ 08701
Location Phone
(732) 363-7505
Location Fax
(732) 363-2750
Mailing Address
30 GEFEN DR LAKEWOOD, NJ 08701
Mailing Phone
(732) 363-7505
Mailing Fax
(732) 363-2750
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-18-2009
Last Update Date
03-18-2009
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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

Eyewear Supplier

Taxonomy Code
332H00000X
Type
Suppliers
License No.
31TD00356800
License State
NJ
Taxonomy Description
An organization that provides spectacles, contact lenses, and other vision enhancement devices prescribed by an optometrist or ophthalmologist.

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

ESTHER M BLUMENKRANTZ

Authorized Official Title
OWNER
Authorized Official Phone
(732) 363-7505

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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 1891936027, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 8 + 3 + 1 + 2 + 0 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1891936027.

Other Providers at the Same Location


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

Technician/Technologist (Optician)
30 GEFEN DR
LAKEWOOD, NJ 08701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891936027, enumerated as an "organization" on March 18, 2009.

The provider is located at 30 GEFEN DR LAKEWOOD, NJ 08701 and the phone number is (732) 363-7505.

Eyewear Supplier with taxonomy code 332H00000X.