JAYLORD CASTRO ASW
NPI 1164225884
Social Worker - School in San Francisco, CA

NPI Status: Active since March 28, 2025

Contact Information

1060 KEY AVE
SAN FRANCISCO, CA
ZIP 94124
Phone: (808) 940-3045

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  • Individual
  • Male
  • Social Worker
  • School

About JAYLORD CASTRO

This page provides the complete NPI Profile along with additional information for Jaylord Castro, a provider established in San Francisco, California with a medical specialization in Social Worker, focusing in school . The healthcare provider is registered in the NPI registry with number 1164225884 assigned on March 2025. The practitioner's primary taxonomy code is 1041S0200X with license number 116056 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1164225884
Provider Name
JAYLORD CASTRO ASW
Gender
Male
Entity Type
Individual
Location Address
1060 KEY AVE SAN FRANCISCO, CA 94124
Location Phone
(808) 940-3045
Mailing Address
1060 KEY AVE SAN FRANCISCO, CA 94124
Mailing Phone
(808) 940-3045
Is Sole Proprietor?
No
Enumeration Date
03-28-2025
Last Update Date
03-28-2025
Code Navigator

A school social worker like Jaylord Castro works with teachers, parents, and school administrators to develop plans and strategies to improve students' academic performance and social development. Students are referred to school social workers to deal with problems like aggressive behavior, bullying, or frequent school absences.

Location Map

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

Social Worker School

Taxonomy Code
1041S0200X
Type
Behavioral Health & Social Service Providers
License No.
116056
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 1164225884, 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
1
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 2 → 4 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 4 + 2 + 1 + 0 + 8 + 1 + 6 + 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 1164225884.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Marriage & Family Therapist
1060 KEY AVE
SAN FRANCISCO, CA 94124

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164225884, enumerated as an "individual" on March 28, 2025.

The provider is located at 1060 KEY AVE SAN FRANCISCO, CA 94124 and the phone number is (808) 940-3045.

Social Worker with taxonomy code 1041S0200X and a focus in School.