LUIS CHAJON
NPI 1861348096
Day Training/Habilitation Specialist in Novato, CA

NPI Status: Active since March 09, 2026

Contact Information

201 ALAMEDA DEL PRADO STE 103
NOVATO, CA
ZIP 94949
Phone: (415) 457-6964
Fax: (415) 306-7545

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  • Individual
  • Male
  • Day Training/Habilitation Specialist

About LUIS CHAJON

This page provides the complete NPI Profile along with additional information for Luis Chajon, a provider established in Novato, California with a medical specialization in Day Training/habilitation Specialist. The healthcare provider is registered in the NPI registry with number 1861348096 assigned on March 2026. The practitioner's primary taxonomy code is 373H00000X. The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1861348096
Provider Name
LUIS CHAJON
Gender
Male
Entity Type
Individual
Location Address
201 ALAMEDA DEL PRADO STE 103 NOVATO, CA 94949
Location Phone
(415) 457-6964
Location Fax
(415) 306-7545
Mailing Address
1145 ELM DR APT 35 NOVATO, CA 94945
Is Sole Proprietor?
No
Enumeration Date
03-09-2026
Last Update Date
03-19-2026
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Location Map

Secondary Locations

  • 750 33rd Ave
    San Francisco, CA 94121
    (415) 507-4265

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
License State
CA
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)
2174400000XOther Service Providers

Specialist

(CA)
3225400000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Rehabilitation Practitioner

(CA)
4247200000XTechnologists, Technicians & Other Technical Service Providers

Technician, Other

(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 1861348096, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
6
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 3 → 6 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 6 + 4 + 1 + 6 + 0 + 1 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1861348096.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Counselor
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor (Mental Health)
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Community/Behavioral Health
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Social Worker (Clinical)
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Marriage & Family Therapist
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor (Mental Health)
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Technician, Health Information
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor (Mental Health)
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Behavior Technician
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Rehabilitation Practitioner
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Specialist/Technologist, Health Information (Registered Record Administrator)
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor (Mental Health)
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor (Mental Health)
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor (Mental Health)
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Counselor (Mental Health)
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949
Registered Nurse
201 ALAMEDA DEL PRADO STE 103
NOVATO, CA 94949

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861348096, enumerated as an "individual" on March 09, 2026.

The provider is located at 201 ALAMEDA DEL PRADO STE 103 NOVATO, CA 94949 and the phone number is (415) 457-6964.

Day Training/Habilitation Specialist with taxonomy code 373H00000X.