MENDELSON & MARK OPTOMETRIC CORPORATION
NPI 1942960661
Optometrist in Sunnyvale, CA

NPI Status: Active since December 21, 2021

Contact Information

1010 W. FREMONT AVE
SUITE 200
SUNNYVALE, CA
ZIP 94087
Phone: (408) 739-6200
Fax: (408) 739-2439

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  • Organization
  • Optometrist

About MENDELSON & MARK OPTOMETRIC CORPORATION

This page provides the complete NPI Profile along with additional information for Mendelson & Mark Optometric Corporation, a provider established in Sunnyvale, California operating as a Optometrist. The healthcare provider is registered in the NPI registry with number 1942960661 assigned on December 2021. The practitioner's primary taxonomy code is 152W00000X. The provider is registered as an organization and their NPI record was last updated 4 years ago. Mendelson & Mark Optometric Corporation operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Mrs. Lisa Ann Beem (Practice Administrator)

NPI
1942960661
Provider Name
MENDELSON & MARK OPTOMETRIC CORPORATION
Entity Type
Organization
Location Address
1010 W. FREMONT AVE SUITE 200 SUNNYVALE, CA 94087
Location Phone
(408) 739-6200
Location Fax
(408) 739-2439
Mailing Address
1010 W. FREMONT AVE. SUITE 200 SUNNYVALE, CA 94087
Mailing Phone
(408) 739-6200
Mailing Fax
(408) 739-2439
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-21-2021
Last Update Date
10-20-2022
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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
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1152WC0802XEye and Vision Services Providers

Optometrist
Corneal and Contact Management

 

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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

MRS. LISA ANN BEEM

Authorized Official Title
PRACTICE ADMINISTRATOR
Authorized Official Phone
(408) 739-6200

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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 1942960661, 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
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 4 → 8 9 → 18 → 9 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 8 + 6 + 0 + 6 + 1 + 2 + 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 1942960661.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942960661, enumerated as an "organization" on December 21, 2021.

The provider is located at 1010 W. FREMONT AVE SUITE 200 SUNNYVALE, CA 94087 and the phone number is (408) 739-6200.

Optometrist with taxonomy code 152W00000X.