JESSICA SIERRA
NPI 1962099168
Speech-Language Pathologist in Riverside, CA
NPI Status: Active since December 22, 2020
Contact Information
3600 PACKARD ST
RIVERSIDE, CA
ZIP 92509
Phone: (951) 222-7788
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Speech-Language Pathologist
About JESSICA SIERRA
This page provides the complete NPI Profile along with additional information for Jessica Sierra, a provider established in Riverside, California with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1962099168 assigned on December 2020. The practitioner's primary taxonomy code is 235Z00000X with license number RPE21604 (CA). The provider is registered as an individual and her NPI record was last updated May 2026. 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
- 1962099168
- Provider Name
- JESSICA SIERRA
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 3600 PACKARD ST RIVERSIDE, CA 92509
- Location Phone
- (951) 222-7788
- Mailing Address
- 4850 PEDLEY RD JURUPA VALLEY, CA 92509
- Mailing Phone
- (951) 360-4100
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-22-2020
- Last Update Date
- 05-28-2026
- 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
Speech-Language Pathologist
- Taxonomy Code
- 235Z00000X
- Type
- Speech, Language and Hearing Service Providers
- License No.
- RPE21604
- License State
- CA
- Taxonomy Description
- The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
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 | 101YM0800X | Behavioral Health & Social Service Providers | Counselor | (CA) |
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 1962099168, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1962099168, enumerated as an "individual" on December 22, 2020.
The provider is located at 3600 PACKARD ST RIVERSIDE, CA 92509 and the phone number is (951) 222-7788.
Speech-Language Pathologist with taxonomy code 235Z00000X.
