MS. CASSANDRA LYNN GARNER
NPI 1235816422
Day Training/Habilitation Specialist in Martinez, CA

NPI Status: Active since June 29, 2023

Contact Information

1330 ARNOLD DR
MARTINEZ, CA
ZIP 94553
Phone: (510) 543-5663

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  • Individual
  • Female
  • Day Training/Habilitation Specialist

About CASSANDRA GARNER

This page provides the complete NPI Profile along with additional information for Cassandra Garner, a provider established in Martinez, California with a medical specialization in Day Training/habilitation Specialist. The healthcare provider is registered in the NPI registry with number 1235816422 assigned on June 2023. The practitioner's primary taxonomy code is 373H00000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1235816422
Provider Name
MS. CASSANDRA LYNN GARNER
Gender
Female
Entity Type
Individual
Location Address
1330 ARNOLD DR MARTINEZ, CA 94553
Location Phone
(510) 543-5663
Mailing Address
1330 ARNOLD DR STE 140 MARTINEZ, CA 94553
Is Sole Proprietor?
No
Enumeration Date
06-29-2023
Last Update Date
10-06-2025
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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

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)
1101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

(CA)
2172V00000XOther Service Providers

Community Health Worker

 
3175T00000XOther Service Providers

Peer Specialist

 

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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 1235816422, 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
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
2
Doubled → 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 8 → 16 → 7 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 1 + 6 + 1 + 1 + 2 + 4 + 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 1235816422.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Registered Nurse (Administrator)
1330 ARNOLD DR, 140
MARTINEZ, CA 94553
Behavior Technician
1330 ARNOLD DR
MARTINEZ, CA 94553
Behavior Technician
1330 ARNOLD DR
MARTINEZ, CA 94553
Behavior Analyst
1330 ARNOLD DR
MARTINEZ, CA 94553
Behavior Technician
1330 ARNOLD DR
MARTINEZ, CA 94553
Behavior Technician
1330 ARNOLD DR
MARTINEZ, CA 94553
Rehabilitation Practitioner
1330 ARNOLD DR
MARTINEZ, CA 94553
Peer Specialist
1330 ARNOLD DR
MARTINEZ, CA 94553

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235816422, enumerated as an "individual" on June 29, 2023.

The provider is located at 1330 ARNOLD DR MARTINEZ, CA 94553 and the phone number is (510) 543-5663.

Day Training/Habilitation Specialist with taxonomy code 373H00000X.