SONJA DILLARD
NPI 1083595235
Rehabilitation Counselor in San Jose, CA
NPI Status: Active since September 11, 2025
Contact Information
210 N 4TH ST
SAN JOSE, CA
ZIP 95112
Phone: (510) 337-7950
Fax: (408) 550-7433
- Individual
- Female
- Rehabilitation Counselor
About SONJA DILLARD
This page provides the complete NPI Profile along with additional information for Sonja Dillard, a provider established in San Jose, California with a medical specialization in Rehabilitation Counselor. The healthcare provider is registered in the NPI registry with number 1083595235 assigned on September 2025. The practitioner's primary taxonomy code is 225C00000X. The provider is registered as an individual and her NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.
- NPI
- 1083595235
- Provider Name
- SONJA DILLARD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 210 N 4TH ST SAN JOSE, CA 95112
- Location Phone
- (510) 337-7950
- Location Fax
- (408) 550-7433
- Mailing Address
- 634 W PARR AVE UNIT 110 LOS GATOS, CA 95032
- Mailing Phone
- (510) 337-7950
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-11-2025
- Last Update Date
- 09-11-2025
- Code Navigator
Location Map
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
Rehabilitation Counselor
- Taxonomy Code
- 225C00000X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Taxonomy Description
- An individual trained and educated in a systematic process of assisting persons with physical, mental, developmental, cognitive, and emotional disabilities to achieve their personal, career, and independent living goals assessment and appraisal, diagnosis and treatment planning, career (vocational) counseling, individual and group counseling interventions for adjustments to the medical and psychosocial impact of disability, case management, program evaluation and research, job analysis and placement counseling, and consultation on rehabilitation resources and technology. Certification generally requires a Master's degree with specialized courses in rehabilitation processes and technology.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1083595235, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 55 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 15 providers are registered at the same or a nearby location.
SAN JOSE, CA 95112
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1083595235, enumerated as an "individual" on September 11, 2025.
The provider is located at 210 N 4TH ST SAN JOSE, CA 95112 and the phone number is (510) 337-7950.
Rehabilitation Counselor with taxonomy code 225C00000X.
