MRS. CASSANDRA MEZA CARRILLO LCSW
NPI 1902259484
Counselor - Mental Health in Pasadena, CA

NPI Status: Active since July 19, 2016

Contact Information

155 N LAKE AVE STE 800
PASADENA, CA
ZIP 91101
Phone: (562) 457-0164

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

Individual
Female
Counselor
Mental Health

About CASSANDRA CARRILLO

This page provides the complete NPI Profile along with additional information for Cassandra Carrillo, a provider established in Pasadena, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1902259484 assigned on July 2016. The practitioner's primary taxonomy code is 101YM0800X with license number LCSW87238 (CA). The provider is registered as an individual and her NPI record was last updated 2 years ago.

NPI: 1902259484
Provider Name: MRS. CASSANDRA MEZA CARRILLO LCSW
Gender: Female
Entity Type: Individual
Location Address: 155 N LAKE AVE STE 800 PASADENA, CA 91101
Location Phone: (562) 457-0164
Mailing Address: 1354 KINBRAE AVE HACIENDA HEIGHTS, CA 91745
Mailing Phone: (626) 475-9152
Is Sole Proprietor?: Yes
Enumeration Date: 07-19-2016
Last Update Date: 04-24-2024
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A mental health counselor like Cassandra Carrillo provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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: Counselor Mental Health
Taxonomy Code: 101YM0800X
Type: Behavioral Health & Social Service Providers
License No.: LCSW87238
License State: CA

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 1902259484, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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 → 4

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 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 0 → 0 2 → 4 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 0 + 2 + 4 + 5 + 1 + 8 + 4 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1902259484.