CHINO FAMILY OPTOMETRY INC
NPI 1881779098
Optometrist - Occupational Vision in Chino, CA

NPI Status: Active since October 26, 2006

Contact Information

13788 ROSWELL AVE
#106
CHINO, CA
ZIP 91710
Phone: (626) 353-4521

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  • Organization
  • Optometrist
  • Occupational Vision

About CHINO FAMILY OPTOMETRY INC

This page provides the complete NPI Profile along with additional information for Chino Family Optometry Inc, a provider established in Chino, California operating as a Optometrist, focusing in occupational vision . The healthcare provider is registered in the NPI registry with number 1881779098 assigned on October 2006. The practitioner's primary taxonomy code is 152WX0102X with license number OPT 11120TPA (CA). The provider is registered as an organization and their NPI record was last updated one year ago. Chino Family Optometry Inc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Rex L.c. Chu Od (President Ceo)

NPI
1881779098
Provider Name
CHINO FAMILY OPTOMETRY INC
Entity Type
Organization
Location Address
13788 ROSWELL AVE #106 CHINO, CA 91710
Location Phone
(626) 353-4521
Mailing Address
13788 ROSWELL AVE #106 CHINO, CA 91710
Mailing Phone
(626) 353-4521
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-26-2006
Last Update Date
09-11-2025
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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 Occupational Vision

Taxonomy Code
152WX0102X
Type
Eye and Vision Services Providers
License No.
OPT 11120TPA
License State
CA
Taxonomy Description
Optometrists who work in Occupational Vision, the branch of environmental optometry, consider all aspects of the relationship between work and vision, visual performances, eye safety, and health.

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)
1152W00000XEye and Vision Services Providers

Optometrist

OPT11120TPA (CA)
2152WC0802XEye and Vision Services Providers

Optometrist
Corneal and Contact Management

OPT 11120TPA (CA)
3152WL0500XEye and Vision Services Providers

Optometrist
Low Vision Rehabilitation

OPT 11120TPA (CA)
4152WP0200XEye and Vision Services Providers

Optometrist
Pediatrics

OPT 11120TPA (CA)
5152WS0006XEye and Vision Services Providers

Optometrist
Sports Vision

OPT 11120TPA (CA)
6152WV0400XEye and Vision Services Providers

Optometrist
Vision Therapy

OPT 11120TPA (CA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

DR. REX L.C. CHU OD

Authorized Official Title
PRESIDENT CEO
Authorized Official Phone
(626) 353-4521

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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 1881779098, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
8
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 8 → 16 → 7 7 → 14 → 5 9 → 18 → 9 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 4 + 7 + 1 + 8 + 0 + 1 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1881779098.

Other Providers at the Same Location


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

Dentist (General Practice)
13788 ROSWELL AVE, #100
CHINO, CA 91710
Dentist (General Practice)
13788 ROSWELL AVE, #100
CHINO, CA 91710
Acupuncturist
13788 ROSWELL AVE, #138
CHINO, CA 91710
Acupuncturist
13788 ROSWELL AVE, #138
CHINO, CA 91710
Acupuncturist
13788 ROSWELL AVE, #138
CHINO, CA 91710
Optometrist
13788 ROSWELL AVE, #106
CHINO, CA 91710

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881779098, enumerated as an "organization" on October 26, 2006.

The provider is located at 13788 ROSWELL AVE #106 CHINO, CA 91710 and the phone number is (626) 353-4521.

Optometrist with taxonomy code 152WX0102X and a focus in Occupational Vision.