SUSANA VILLANUEVA SLPA
NPI 1457943490
Speech-Language Pathologist in Fullerton, CA

NPI Status: Active since February 10, 2021

Contact Information

2525 BREA BLVD
FULLERTON, CA
ZIP 92835
Phone: (714) 256-1000

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  • Individual
  • Female
  • Speech-Language Pathologist

About SUSANA VILLANUEVA

This page provides the complete NPI Profile along with additional information for Susana Villanueva, a provider established in Fullerton, California with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1457943490 assigned on February 2021. The practitioner's primary taxonomy code is 235Z00000X with license number 20926 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1457943490
Provider Name
SUSANA VILLANUEVA SLPA
Gender
Female
Entity Type
Individual
Location Address
2525 BREA BLVD FULLERTON, CA 92835
Location Phone
(714) 256-1000
Mailing Address
9339 ORIZABA AVE DOWNEY, CA 90240
Is Sole Proprietor?
No
Enumeration Date
02-10-2021
Last Update Date
09-18-2025
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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.
20926
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)
12355S0801XSpeech, Language and Hearing Service Providers

Specialist/Technologist
Speech-Language Assistant

6192 (CA)
22355S0801XSpeech, Language and Hearing Service Providers

Specialist/Technologist
Speech-Language Assistant

25879 (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 1457943490, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 5 → 10 → 1 9 → 18 → 9 3 → 6 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 1 + 8 + 4 + 6 + 4 + 1 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1457943490.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Skilled Nursing Facility
2525 BREA BLVD
FULLERTON, CA 92835
Speech-Language Pathologist
2525 BREA BLVD
FULLERTON, CA 92835
Speech-Language Pathologist
2525 BREA BLVD
FULLERTON, CA 92835
Physical Therapy Assistant
2525 BREA BLVD
FULLERTON, CA 92835
Physical Therapy Assistant
2525 BREA BLVD
FULLERTON, CA 92835
Physical Therapy Assistant
2525 BREA BLVD
FULLERTON, CA 92835
Physical Therapy Assistant
2525 BREA BLVD
FULLERTON, CA 92835
Occupational Therapist (Physical Rehabilitation)
2525 BREA BLVD
FULLERTON, CA 92835
Occupational Therapist
2525 BREA BLVD
FULLERTON, CA 92835
Occupational Therapist
2525 BREA BLVD
FULLERTON, CA 92835

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457943490, enumerated as an "individual" on February 10, 2021.

The provider is located at 2525 BREA BLVD FULLERTON, CA 92835 and the phone number is (714) 256-1000.

Speech-Language Pathologist with taxonomy code 235Z00000X.