MISS THERESA CHONG O.D.
NPI 1083878789
Optometrist - Low Vision Rehabilitation in North Las Vegas, NV

NPI Status: Active since July 11, 2008

Contact Information

6900 PECOS RD
NORTH LAS VEGAS, NV
ZIP 89086
Phone: (702) 791-9000

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  • Individual
  • Female
  • Optometrist
  • Low Vision Rehabilitation

About THERESA CHONG

This page provides the complete NPI Profile along with additional information for Theresa Chong, a provider established in North Las Vegas, Nevada with a medical specialization in Optometrist, focusing in low vision rehabilitation . The healthcare provider is registered in the NPI registry with number 1083878789 assigned on July 2008. The practitioner's primary taxonomy code is 152WL0500X with license number 002749 (CT). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1083878789
Provider Name
MISS THERESA CHONG O.D.
Gender
Female
Entity Type
Individual
Location Address
6900 PECOS RD NORTH LAS VEGAS, NV 89086
Location Phone
(702) 791-9000
Mailing Address
6900 PECOS RD NORTH LAS VEGAS, NV 89086
Is Sole Proprietor?
No
Enumeration Date
07-11-2008
Last Update Date
02-12-2026
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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 Low Vision Rehabilitation

Taxonomy Code
152WL0500X
Type
Eye and Vision Services Providers
License No.
002749
License State
CT
Taxonomy Description
Optometrists who specialize in low-vision care having training to assess visual function, prescribe low-vision devices, develop treatment plans, and recommend other vision rehabilitation services.

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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 1083878789, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 6 + 7 + 1 + 6 + 7 + 1 + 6 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1083878789.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Specialist/Technologist (Rehabilitation, Blind)
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Social Worker (Clinical)
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Kinesiotherapist
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Pharmacist
6900 PECOS RD, PHARMACY SERVICE 119
NORTH LAS VEGAS, NV 89086
Optometrist
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Optometrist
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Physical Therapy Assistant
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Physical Therapy Assistant
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Social Worker (Clinical)
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Pathology (Anatomic Pathology & Clinical Pathology)
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Internal Medicine (Infectious Disease)
6900 PECOS RD
N LAS VEGAS, NV 89086
Pharmacist
6900 PECOS RD, PHARMACY #119
NORTH LAS VEGAS, NV 89086
Orthopaedic Surgery
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Physical Therapist
6900 PECOS RD
N LAS VEGAS, NV 89086
Respiratory Therapist, Registered
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Nurse Practitioner (Family)
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Pharmacist
6900 PECOS RD
N LAS VEGAS, NV 89086
Military Hospital (Military General Acute Care Hospital)
6900 PECOS RD
N LAS VEGAS, NV 89086
General Acute Care Hospital
6900 PECOS RD
NORTH LAS VEGAS, NV 89086
Pulmonary Function Technologist
6900 PECOS RD
NORTH LAS VEGAS, NV 89086

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083878789, enumerated as an "individual" on July 11, 2008.

The provider is located at 6900 PECOS RD NORTH LAS VEGAS, NV 89086 and the phone number is (702) 791-9000.

Optometrist with taxonomy code 152WL0500X and a focus in Low Vision Rehabilitation.