MONTSERRAT E AYALA
NPI 1033096672
Prevention Professional in Hayward, CA

NPI Status: Active since August 18, 2025

Contact Information

24145 MAGNA AVE
HAYWARD, CA
ZIP 94544
Phone: (510) 253-8910

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  • Individual
  • Female
  • Prevention Professional

About MONTSERRAT AYALA

This page provides the complete NPI Profile along with additional information for Montserrat Ayala, a provider established in Hayward, California with a medical specialization in Prevention Professional. The healthcare provider is registered in the NPI registry with number 1033096672 assigned on August 2025. The practitioner's primary taxonomy code is 405300000X with license number 1234 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1033096672
Provider Name
MONTSERRAT E AYALA
Gender
Female
Entity Type
Individual
Location Address
24145 MAGNA AVE HAYWARD, CA 94544
Location Phone
(510) 253-8910
Mailing Address
24145 MAGNA AVE HAYWARD, CA 94544
Mailing Phone
(510) 253-8910
Is Sole Proprietor?
Yes
Enumeration Date
08-18-2025
Last Update Date
08-18-2025
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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

Prevention Professional

Taxonomy Code
405300000X
Type
Other Service Providers
License No.
1234
License State
CA
Taxonomy Description
Prevention Professionals work in programs aimed to address specific patient needs, such as suicide prevention, violence prevention, alcohol avoidance, drug avoidance, and tobacco prevention. The goal of the program is to reduce the risk of relapse, injury, or re-injury of the patient. Prevention Professionals work in a variety of settings and provide appropriate case management, mediation, referral, and mentorship services. Individuals complete prevention professionals training for the population of patients with whom they work.

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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 1033096672, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
0
Unchanged
Pos 3
3
Doubled → 6
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 3 → 6 0 → 0 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 0 + 9 + 1 + 2 + 6 + 1 + 4 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1033096672.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033096672, enumerated as an "individual" on August 18, 2025.

The provider is located at 24145 MAGNA AVE HAYWARD, CA 94544 and the phone number is (510) 253-8910.

Prevention Professional with taxonomy code 405300000X.