SAN LORENZO UNIFIED SCHOOL DISTRICT
NPI 1225247570
Speech-Language Pathologist in San Lorenzo, CA

NPI Status: Active since May 22, 2007

Contact Information

15510 USHER ST
SAN LORENZO, CA
ZIP 94580
Phone: (510) 317-4761
Fax: (510) 481-9910

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  • Organization
  • Speech-Language Pathologist

About SAN LORENZO UNIFIED SCHOOL DISTRICT

This page provides the complete NPI Profile along with additional information for San Lorenzo Unified School District, a provider established in San Lorenzo, California operating as a Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1225247570 assigned on May 2007. The practitioner's primary taxonomy code is 235Z00000X. The provider is registered as an organization and their NPI record was last updated one year ago. San Lorenzo Unified School District operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Mr. Ed Diolazo (Co-director, Special Services)

NPI
1225247570
Provider Name
SAN LORENZO UNIFIED SCHOOL DISTRICT
Entity Type
Organization
Location Address
15510 USHER ST SAN LORENZO, CA 94580
Location Phone
(510) 317-4761
Location Fax
(510) 481-9910
Mailing Address
15510 USHER ST SAN LORENZO, CA 94580
Mailing Phone
(510) 317-4761
Mailing Fax
(510) 481-9910
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-22-2007
Last Update Date
09-11-2025
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
Taxonomy Description
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

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)
1103T00000XBehavioral Health & Social Service Providers

Psychologist

 
2163W00000XNursing Service Providers

Registered Nurse

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MR. ED DIOLAZO

Authorized Official Title
CO-DIRECTOR, SPECIAL SERVICES
Authorized Official Phone
(510) 317-4768

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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 1225247570, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 4 + 4 + 1 + 4 + 5 + 1 + 4 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1225247570.

Other Providers at the Same Location


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

Speech-Language Pathologist
15510 USHER ST
SAN LORENZO, CA 94580
Counselor (School)
15510 USHER ST
SAN LORENZO, CA 94580
Social Worker (School)
15510 USHER ST
SAN LORENZO, CA 94580
Health and Wellness Coach
15510 USHER ST
SAN LORENZO, CA 94580
Social Worker (School)
15510 USHER ST
SAN LORENZO, CA 94580
Social Worker (School)
15510 USHER ST
SAN LORENZO, CA 94580

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225247570, enumerated as an "organization" on May 22, 2007.

The provider is located at 15510 USHER ST SAN LORENZO, CA 94580 and the phone number is (510) 317-4761.

Speech-Language Pathologist with taxonomy code 235Z00000X.