ISABEL MICHAELA GRAY
NPI 1295378511
Day Training/Habilitation Specialist in Santa Rosa, CA

NPI Status: Active since October 18, 2019

Contact Information

2235 CHALLENGER WAY
SANTA ROSA, CA
ZIP 95407
Phone: (707) 565-1117

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  • Individual
  • Female
  • Day Training/Habilitation Specialist

About ISABEL GRAY

This page provides the complete NPI Profile along with additional information for Isabel Gray, a provider established in Santa Rosa, California with a medical specialization in Day Training/habilitation Specialist. The healthcare provider is registered in the NPI registry with number 1295378511 assigned on October 2019. The practitioner's primary taxonomy code is 373H00000X. The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1295378511
Provider Name
ISABEL MICHAELA GRAY
Gender
Female
Entity Type
Individual
Location Address
2235 CHALLENGER WAY SANTA ROSA, CA 95407
Location Phone
(707) 565-1117
Mailing Address
2235 CHALLENGER WAY SANTA ROSA, CA 95407
Is Sole Proprietor?
Yes
Enumeration Date
10-18-2019
Last Update Date
02-26-2026
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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
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.

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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 1295378511, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 6 + 7 + 1 + 6 + 5 + 2 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1295378511.

Other Providers at the Same Location


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

Psychologist
2235 CHALLENGER WAY, SUITE 102
SANTA ROSA, CA 95407
Psychiatry & Neurology (Psychiatry)
2235 CHALLENGER WAY, SUITE 102
SANTA ROSA, CA 95407
Registered Nurse (Psychiatric/Mental Health)
2235 CHALLENGER WAY
SANTA ROSA, CA 95407
Psychiatry & Neurology (Psychiatry)
2235 CHALLENGER WAY
SANTA ROSA, CA 95407
Nurse Practitioner (Psychiatric/Mental Health)
2235 CHALLENGER WAY
SANTA ROSA, CA 95407
Marriage & Family Therapist
2235 CHALLENGER WAY, 101
SANTA ROSA, CA 95407
Rehabilitation Practitioner
2235 CHALLENGER WAY
SANTA ROSA, CA 95407
Marriage & Family Therapist
2235 CHALLENGER WAY
SANTA ROSA, CA 95407

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295378511, enumerated as an "individual" on October 18, 2019.

The provider is located at 2235 CHALLENGER WAY SANTA ROSA, CA 95407 and the phone number is (707) 565-1117.

Day Training/Habilitation Specialist with taxonomy code 373H00000X.