ROSA VILLALVA
NPI 1609262831
Peer Specialist in Los Angeles, CA

NPI Status: Active since April 14, 2015

Contact Information

840 NORTH AVE 66
LOS ANGELES, CA
ZIP 90042
Phone: (626) 395-7100

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  • Individual
  • Female
  • Peer Specialist

About ROSA VILLALVA

This page provides the complete NPI Profile along with additional information for Rosa Villalva, a provider established in Los Angeles, California with a medical specialization in Peer Specialist. The healthcare provider is registered in the NPI registry with number 1609262831 assigned on April 2015. The practitioner's primary taxonomy code is 175T00000X with license number MPSS-BXMULH (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1609262831
Provider Name
ROSA VILLALVA
Gender
Female
Entity Type
Individual
Location Address
840 NORTH AVE 66 LOS ANGELES, CA 90042
Location Phone
(626) 395-7100
Mailing Address
840 NORTH AVE 66 LOS ANGELES, CA 90042
Mailing Phone
(626) 395-7100
Is Sole Proprietor?
No
Enumeration Date
04-14-2015
Last Update Date
04-03-2025
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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

Peer Specialist

Taxonomy Code
175T00000X
Type
Other Service Providers
License No.
MPSS-BXMULH
License State
CA
Taxonomy Description
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1225400000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Rehabilitation Practitioner

 

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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 1609262831, 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
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
1
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 2 → 4 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 4 + 6 + 4 + 8 + 6 + 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 1609262831.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Community Health Worker
840 NORTH AVE 66
LOS ANGELES, CA 90042
Marriage & Family Therapist
840 NORTH AVE 66
LOS ANGELES, CA 90042
Community Health Worker
840 NORTH AVE 66
LOS ANGELES, CA 90042
Community Health Worker
840 NORTH AVE 66
LOS ANGELES, CA 90042
Social Worker
840 NORTH AVE 66
LOS ANGELES, CA 90042
Peer Specialist
840 NORTH AVE 66
LOS ANGELES, CA 90042

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609262831, enumerated as an "individual" on April 14, 2015.

The provider is located at 840 NORTH AVE 66 LOS ANGELES, CA 90042 and the phone number is (626) 395-7100.

Peer Specialist with taxonomy code 175T00000X.