DR. KENNETH KAMBIZ GHEYSAR M.D.
NPI 1609992171
Family Medicine - Addiction Medicine in Laguna Hills, CA

NPI Status: Active since March 22, 2007

Contact Information

23046 AVENIDA DE LA CARLOTA STE 600
LAGUNA HILLS, CA
ZIP 92653
Phone: (949) 306-2566

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Family Medicine
Addiction Medicine

About KENNETH GHEYSAR

This page provides the complete NPI Profile along with additional information for Kenneth Gheysar, a provider established in Laguna Hills, California with a medical specialization in Family Medicine, focusing in addiction medicine . The healthcare provider is registered in the NPI registry with number 1609992171 assigned on March 2007. The practitioner's primary taxonomy code is 207QA0401X with license number G 71924 (CA). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI: 1609992171
Provider Name: DR. KENNETH KAMBIZ GHEYSAR M.D.
Gender: Male
Entity Type: Individual
Location Address: 23046 AVENIDA DE LA CARLOTA STE 600 LAGUNA HILLS, CA 92653
Location Phone: (949) 306-2566
Mailing Address: 23046 AVENIDA DE LA CARLOTA STE 600 LAGUNA HILLS, CA 92653
Mailing Phone: (949) 306-2566
Is Sole Proprietor?: Yes
Enumeration Date: 03-22-2007
Last Update Date: 04-29-2022
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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: Family Medicine Addiction Medicine
Taxonomy Code: 207QA0401X
Type: Allopathic & Osteopathic Physicians
License No.: G 71924
License State: CA
Taxonomy Description: A family medicine physician who specializes in the diagnosis and treatment of addictions.

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 1609992171, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 0

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 4

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

Check

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 0 → 0 9 → 18 → 9 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 1 + 8 + 9 + 4 + 1 + 1 + 4 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1609992171.