LARENA SPEARS
NPI 1437972528
Day Training/Habilitation Specialist in Oakland, CA

NPI Status: Active since November 06, 2024

Contact Information

1605 JEFFERSON ST
OAKLAND, CA
ZIP 94612
Phone: (510) 923-1099

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Secondary Locations
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Day Training/Habilitation Specialist

About LARENA SPEARS

This page provides the complete NPI Profile along with additional information for Larena Spears, a provider established in Oakland, California with a medical specialization in Day Training/habilitation Specialist. The healthcare provider is registered in the NPI registry with number 1437972528 assigned on November 2024. The practitioner's primary taxonomy code is 373H00000X. The provider is registered as an individual and her NPI record was last updated December 2025.

NPI: 1437972528
Provider Name: LARENA SPEARS
Gender: Female
Entity Type: Individual
Location Address: 1605 JEFFERSON ST OAKLAND, CA 94612
Location Phone: (510) 923-1099
Mailing Address: 1919 ADDISON ST STE 204 BERKELEY, CA 94704
Mailing Phone: (510) 899-7445
Mailing Fax
Is Sole Proprietor?: No
Enumeration Date: 11-06-2024
Last Update Date: 12-13-2025
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Location Map

Secondary Locations

390 40th St
Oakland, CA 94609
(510) 613-0330

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: Day Training/Habilitation Specialist
Taxonomy Code: 373H00000X
Type: Nursing Service Related Providers
Taxonomy Description: Individuals experienced or trained in working with developmentally disabled individuals who need assistance in acquiring and maintaining life skills that enable them to cope more effectively with the demands of independent living.

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)
1	172V00000X	Other Service Providers	Community Health Worker

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 1437972528, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 4

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 9 → 18 → 9 2 → 4 2 → 4