DR. LIZHEN DIANA ZHANG O.D.
NPI 1700190774
Optometrist in Victor, NY

NPI Status: Active since August 02, 2010

Contact Information

50 COBBLESTONE COURT DR
VICTOR, NY
ZIP 14564
Phone: (585) 425-1770
Fax: (585) 424-2707

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  • Individual
  • Female
  • Optometrist

About LIZHEN ZHANG

This page provides the complete NPI Profile along with additional information for Lizhen Zhang, a provider established in Victor, New York with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1700190774 assigned on August 2010. The practitioner's primary taxonomy code is 152W00000X with license number 007632 (NY). The provider is registered as an individual and her NPI record was last updated 16 years ago.

NPI
1700190774
Provider Name
DR. LIZHEN DIANA ZHANG O.D.
Gender
Female
Entity Type
Individual
Location Address
50 COBBLESTONE COURT DR VICTOR, NY 14564
Location Phone
(585) 425-1770
Location Fax
(585) 424-2707
Mailing Address
159 EXPRESS ST PLAINVIEW, NY 11803
Mailing Phone
(516) 827-6727
Mailing Fax
(585) 424-2707
Is Sole Proprietor?
No
Enumeration Date
08-02-2010
Last Update Date
08-03-2010
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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

Optometrist

Taxonomy Code
152W00000X
Type
Eye and Vision Services Providers
License No.
007632
License State
NY
Taxonomy Description
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

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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 1700190774, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
7
Unchanged
Pos 3
0
Doubled → 0
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 0 → 0 1 → 2 0 → 0 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 0 + 0 + 2 + 9 + 0 + 7 + 1 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1700190774.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Optometrist
50 COBBLESTONE COURT DR, EMPIRE VISION CENTERS
VICTOR, NY 14564
Technician/Technologist
50 COBBLESTONE COURT DR
VICTOR, NY 14564
Optometrist
50 COBBLESTONE COURT DR
VICTOR, NY 14564

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700190774, enumerated as an "individual" on August 02, 2010.

The provider is located at 50 COBBLESTONE COURT DR VICTOR, NY 14564 and the phone number is (585) 425-1770.

Optometrist with taxonomy code 152W00000X.