ACUITY EYE GROUP
NPI 1134588932
Ophthalmology in Costa Mesa, CA

NPI Status: Active since February 22, 2016

Contact Information

1640 NEWPORT BLVD STE 220
COSTA MESA, CA
ZIP 92627
Phone: (949) 876-5046
Fax: (949) 573-5394

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  • Organization
  • Ophthalmology

About ACUITY EYE GROUP

This page provides the complete NPI Profile along with additional information for Acuity Eye Group, a provider established in Costa Mesa, California operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1134588932 assigned on February 2016. The practitioner's primary taxonomy code is 207W00000X with license number A69909 (CA). The provider is registered as an organization and their NPI record was last updated 4 years ago. 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 provider's is doing business as Acuity Eye Group. The authorized official of this NPI record is Tom Chang (Founder/owner)

NPI
1134588932
Provider Legal Name
RETINA INSTITUTE OF CALIFORNIA MEDICAL GROUP, A CALIFORNIA MEDICAL PAR
Other Organization Name
ACUITY EYE GROUP
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
1640 NEWPORT BLVD STE 220 COSTA MESA, CA 92627
Location Phone
(949) 876-5046
Location Fax
(949) 573-5394
Mailing Address
100 E CALIFORNIA BLVD PASADENA, CA 91105
Mailing Phone
(800) 898-2020
Mailing Fax
(949) 573-5394
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-22-2016
Last Update Date
04-06-2022
Code Navigator

Ophthalmologists like Acuity Eye Group specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
A69909
License State
CA
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

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

A69909 (CA)

Group Taxonomy 193400000X MULTIPLE 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

TOM CHANG

Authorized Official Title
FOUNDER/OWNER
Authorized Official Phone
(626) 568-8838

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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 1134588932, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
1
Unchanged
Pos 3
3
Doubled → 6
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
Check
2
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 3 → 6 5 → 10 → 1 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 6 + 4 + 1 + 0 + 8 + 1 + 6 + 9 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1134588932.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Chiropractor (Rehabilitation)
1640 NEWPORT BLVD STE 220
COSTA MESA, CA 92627
Optometrist
1640 NEWPORT BLVD STE 220
COSTA MESA, CA 92627

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134588932, enumerated as an "organization" on February 22, 2016.

The provider is located at 1640 NEWPORT BLVD STE 220 COSTA MESA, CA 92627 and the phone number is (949) 876-5046.

Ophthalmology with taxonomy code 207W00000X.