ANTOINETTE F LAIOLO
NPI 1366127524
Counselor - School in Foster City, CA

NPI Status: Active since June 15, 2023

Contact Information

1170 CHESS DR
FOSTER CITY, CA
ZIP 94404
Phone: (510) 209-8757

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  • Individual
  • Female
  • Counselor
  • School

About ANTOINETTE LAIOLO

This page provides the complete NPI Profile along with additional information for Antoinette Laiolo, a provider established in Foster City, California with a medical specialization in Counselor, focusing in school . The healthcare provider is registered in the NPI registry with number 1366127524 assigned on June 2023. The practitioner's primary taxonomy code is 101YS0200X. The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1366127524
Provider Name
ANTOINETTE F LAIOLO
Gender
Female
Entity Type
Individual
Location Address
1170 CHESS DR FOSTER CITY, CA 94404
Location Phone
(510) 209-8757
Mailing Address
2310 OAKMONT DR SAN BRUNO, CA 94066
Mailing Phone
(510) 209-8757
Is Sole Proprietor?
No
Enumeration Date
06-15-2023
Last Update Date
02-26-2026
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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 School

Taxonomy Code
101YS0200X
Type
Behavioral Health & Social Service Providers
License State
CA

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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 1366127524, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
1
Doubled → 2
Pos 6
2
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
Check
4
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 6 → 12 → 3 1 → 2 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 2 + 2 + 1 + 4 + 5 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1366127524.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Registered Nurse (School)
1170 CHESS DR
FOSTER CITY, CA 94404
Registered Nurse (School)
1170 CHESS DR
FOSTER CITY, CA 94404
Counselor (School)
1170 CHESS DR
FOSTER CITY, CA 94404
Social Worker (School)
1170 CHESS DR
FOSTER CITY, CA 94404

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366127524, enumerated as an "individual" on June 15, 2023.

The provider is located at 1170 CHESS DR FOSTER CITY, CA 94404 and the phone number is (510) 209-8757.

Counselor with taxonomy code 101YS0200X and a focus in School.