DR. NANCY GEMAYEL PSY.D
NPI 1881907236
Psychologist - Forensic in Santa Ana, CA

NPI Status: Active since July 14, 2010

Contact Information

1001 S GRAND AVE
SANTA ANA, CA
ZIP 92705
Phone: (714) 667-7613

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

Individual
Female
Psychologist
Forensic

About NANCY GEMAYEL

This page provides the complete NPI Profile along with additional information for Nancy Gemayel, a provider established in Santa Ana, California with a medical specialization in Psychologist, focusing in forensic . The healthcare provider is registered in the NPI registry with number 1881907236 assigned on July 2010. The practitioner's primary taxonomy code is 103TF0200X. The provider is registered as an individual and her NPI record was last updated 13 years ago.

NPI: 1881907236
Provider Name: DR. NANCY GEMAYEL PSY.D
Gender: Female
Entity Type: Individual
Location Address: 1001 S GRAND AVE SANTA ANA, CA 92705
Location Phone: (714) 667-7613
Mailing Address: 1001 S GRAND AVE SANTA ANA, CA 92705
Mailing Phone: (714) 667-7613
Is Sole Proprietor?: Yes
Enumeration Date: 07-14-2010
Last Update Date: 04-16-2013
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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: Psychologist Forensic
Taxonomy Code: 103TF0200X
Type: Behavioral Health & Social Service Providers
Taxonomy Description: A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.

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 1881907236, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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 → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 14 → 1 + 4

Pos 8

Unchanged

Pos 9

Doubled → 6

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 8 → 16 → 7 9 → 18 → 9 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 8 + 0 + 1 + 4 + 2 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6

This NPI is valid

The calculated check digit is 6, which matches the last digit of 1881907236.