CHESLYN GAN OPTOMETRIST INC
NPI 1144891714
Optometrist in Walnut Creek, CA
NPI Status: Active since July 06, 2021
Contact Information
1553 PALOS VERDES MALL
WALNUT CREEK, CA
ZIP 94597
Phone: (925) 934-9328
Fax: (925) 934-9383
- Organization
- Optometrist
About CHESLYN GAN OPTOMETRIST INC
This page provides the complete NPI Profile along with additional information for Cheslyn Gan Optometrist Inc, a provider established in Walnut Creek, California operating as a Optometrist. The healthcare provider is registered in the NPI registry with number 1144891714 assigned on July 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. The organization operates as a single speciality business group with one or more individual providers who practice the same area of specialization. The authorized official of this NPI record is Dr. Cheslyn Mei Gan Od (President)
- NPI
- 1144891714
- Provider Name
- CHESLYN GAN OPTOMETRIST INC
- Entity Type
- Organization
- Location Address
- 1553 PALOS VERDES MALL WALNUT CREEK, CA 94597
- Location Phone
- (925) 934-9328
- Location Fax
- (925) 934-9383
- Mailing Address
- 1553 PALOS VERDES MALL WALNUT CREEK, CA 94597
- Mailing Phone
- (925) 934-9328
- Mailing Fax
- (925) 934-9383
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 07-06-2021
- Last Update Date
- 07-06-2021
- Code Navigator
Location Map
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.
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.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 1 | 4 | 4 | 8 | 9 | 1 | 7 | 1 | 4 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 1 | 8 | 4 | 16 | 9 | 2 | 7 | 2 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 1 + 8 + 4 + 1 + 6 + 9 + 2 + 7 + 2 + 24 = 66 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 66 = 4 | 4 | ||||||||
The NPI number 1144891714 is valid because the calculated check digit 4 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 4 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1790785780 | DR. LINDA ANNE CUSHING O.D. Individual | Optometrist | 1553 PALOS VERDES MALL WALNUT CREEK, CA 94597 (925) 934-9328 |
| 1558568568 | LINDA ANNE CUSHING OD & CHESLYN MEI GAN OD Organization | Optometrist | 1553 PALOS VERDES MALL WALNUT CREEK, CA 94597 (925) 934-9328 |
| 1417951120 | DR. CHESLYN MEI GAN O.D. Individual | Optometrist | 1553 PALOS VERDES MALL WALNUT CREEK, CA 94597 (925) 934-9328 |
| 1699475996 | STEPHANIE VEILLEUX OD & WINSON ONG OD Organization | Optometrist | 1553 PALOS VERDES MALL WALNUT CREEK, CA 94597 (925) 934-9328 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1144891714, enumerated in the NPI registry as an "organization" on July 06, 2021
The provider is located at 1553 Palos Verdes Mall Walnut Creek, Ca 94597 and the phone number is (925) 934-9328
This medical organization specializes in Optometrist with taxonomy code 152W00000X
This NPI record was last updated on July 06, 2021. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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