ESTHER H TAN O D AND ASSOCIATES LLC
NPI 1568633642
Optometrist in Henderson, NV

NPI Status: Active since March 17, 2008

Contact Information

540 MARKS ST
STE. 1
HENDERSON, NV
ZIP 89014
Phone: (702) 434-2441
Fax: (702) 434-6409

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  • Organization
  • Optometrist
  • Accepts Insurance

About ESTHER H TAN O D AND ASSOCIATES LLC

This page provides the complete NPI Profile along with additional information for Esther H Tan O D And Associates Llc, a provider established in Henderson, Nevada operating as a Optometrist. The healthcare provider is registered in the NPI registry with number 1568633642 assigned on March 2008. The practitioner's primary taxonomy code is 152W00000X with license number 428 (NV). The provider is registered as an organization and their NPI record was last updated April 2026. 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 Esther H Tan (Owner / Authorized Official)

NPI
1568633642
Provider Name
ESTHER H TAN O D AND ASSOCIATES LLC
Entity Type
Organization
Location Address
540 MARKS ST STE. 1 HENDERSON, NV 89014
Location Phone
(702) 434-2441
Location Fax
(702) 434-6409
Mailing Address
10624 S EASTERN AVE STE A-200 HENDERSON, NV 89052
Mailing Phone
(702) 434-2441
Mailing Fax
(702) 434-6409
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-17-2008
Last Update Date
04-16-2026
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Location Map

Secondary Locations

  • 6005 S Eastern Ave Ste 100
    Las Vegas, NV 89119
    (702) 435-8448

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.
428
License State
NV
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • BlueCross B16S $50 PCP Copay + $0 virtual care from Teladoc Health� - EPO
  • BlueCross G08S $30 PCP Copay + $0 virtual care from Teladoc Health � - EPO
  • BlueCross S26S $40 PCP Copay + $0 virtual care from Teladoc Health� - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

ESTHER H TAN

Authorized Official Title
OWNER / AUTHORIZED OFFICIAL
Authorized Official Phone
(702) 434-2441

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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 1568633642, 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
5
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
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 6 → 12 → 3 6 → 12 → 3 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 2 + 8 + 1 + 2 + 3 + 6 + 6 + 8 + 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 1568633642.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Audiologist
540 MARKS ST
HENDERSON, NV 89014
Optometrist
540 MARKS ST
HENDERSON, NV 89014
Optometrist
540 MARKS ST
HENDERSON, NV 89014
Hearing Aid Equipment
540 MARKS ST
HENDERSON, NV 89014
Pharmacist
540 MARKS ST
HENDERSON, NV 89014
Pharmacist
540 MARKS ST
HENDERSON, NV 89014
Pharmacist
540 MARKS ST
HENDERSON, NV 89014
Technician/Technologist (Optician)
540 MARKS ST
HENDERSON, NV 89014
Pharmacist
540 MARKS ST
HENDERSON, NV 89014
Eyewear Supplier
540 MARKS ST
HENDERSON, NV 89014
Pharmacy (Community/Retail Pharmacy)
540 MARKS ST
HENDERSON, NV 89014
Optometrist
540 MARKS ST, STE. 1
HENDERSON, NV 89014

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1568633642, enumerated as an "organization" on March 17, 2008.

The provider is located at 540 MARKS ST STE. 1 HENDERSON, NV 89014 and the phone number is (702) 434-2441.

Optometrist with taxonomy code 152W00000X.

The provider might be accepting Accepts: Ambetter from Arizona Complete Health and. Please consult your insurance carrier or call the provider to verify.