MS. KAREN JEAN GRIJALVA PHD, MHRS
NPI 1891907812
Rehabilitation Practitioner in Watsonville, CA
NPI Status: Active since May 03, 2007
Contact Information
321 E BEACH ST
WATSONVILLE, CA
ZIP 95076
Phone: (831) 600-5303
- Individual
- Female
- Rehabilitation Practitioner
About KAREN GRIJALVA
This page provides the complete NPI Profile along with additional information for Karen Grijalva, a provider established in Watsonville, California with a medical specialization in Rehabilitation Practitioner. The healthcare provider is registered in the NPI registry with number 1891907812 assigned on May 2007. The practitioner's primary taxonomy code is 225400000X. The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1891907812
- Provider Name
- MS. KAREN JEAN GRIJALVA PHD, MHRS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 321 E BEACH ST WATSONVILLE, CA 95076
- Location Phone
- (831) 600-5303
- Mailing Address
- 2425 PAUL MINNIE AVE SANTA CRUZ, CA 95062
- Mailing Phone
- (831) 566-7027
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-03-2007
- Last Update Date
- 04-17-2025
- 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 Practitioner
- Taxonomy Code
- 225400000X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- Taxonomy Description
- A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.
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 | 103T00000X | Behavioral Health & Social Service Providers | Psychologist | 2012679 (CA) |
| 2 | 171M00000X | Other Service Providers | Case Manager/Care Coordinator | (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 1891907812, 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 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.
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 68 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 7 providers are registered at the same or a nearby location.
WATSONVILLE, CA 95076
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891907812, enumerated as an "individual" on May 03, 2007.
The provider is located at 321 E BEACH ST WATSONVILLE, CA 95076 and the phone number is (831) 600-5303.
Rehabilitation Practitioner with taxonomy code 225400000X.
