MELISSA MENDRELLA
NPI 1619840485
Community Based Residential Treatment Facility, Intellectual and/or Developmental Disabilities in Los Angeles, CA

NPI Status: Active since September 26, 2025

Contact Information

305 S CENTRAL AVE
LOS ANGELES, CA
ZIP 90013
Phone: (213) 372-5233

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

Individual
Female
Community Based Residential Treatment Fa...

About MELISSA MENDRELLA

This page provides the complete NPI Profile along with additional information for Melissa Mendrella, a provider established in Los Angeles, California with a medical specialization in Community Based Residential Treatment Facility, Intellectual And/or Developmental Disabilities. The healthcare provider is registered in the NPI registry with number 1619840485 assigned on September 2025. The practitioner's primary taxonomy code is 320900000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1619840485
Provider Name: MELISSA MENDRELLA
Gender: Female
Entity Type: Individual
Location Address: 305 S CENTRAL AVE LOS ANGELES, CA 90013
Location Phone: (213) 372-5233
Mailing Address: 12070 TELEGRAPH RD SANTA FE SPRINGS, CA 90670
Mailing Phone: (562) 777-7500
Is Sole Proprietor?: Yes
Enumeration Date: 09-26-2025
Last Update Date: 09-26-2025
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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: Community Based Residential Treatment Facility, Intellectual and/or Developmental Disabilities
Taxonomy Code: 320900000X
Type: Residential Treatment Facilities
Taxonomy Description: A home-like residential facility providing habilitation, support and monitoring services to individuals diagnosed with mental retardation and/or developmental disabilities.

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 1619840485, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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 → 2

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 0

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 1 → 2 8 → 16 → 7 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 1 + 6 + 4 + 0 + 4 + 1 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1619840485.