MRS. ALEXANDRA RENEE FOSTER MS, CCC-SLP, CBIS
NPI 1790299972
Speech-Language Pathologist in Mather, CA

NPI Status: Active since November 26, 2017

Contact Information

DEPARTMENT OF VETERANS AFFAIRS NORTHERN CALIFORNIA HEAL
10535 HOSPITAL WAY - SPEECH/ENT BLDG. 722
MATHER, CA
ZIP 95655
Phone: (916) 843-2758

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  • Individual
  • Female
  • Speech-Language Pathologist

About ALEXANDRA FOSTER

This page provides the complete NPI Profile along with additional information for Alexandra Foster, a provider established in Mather, California with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1790299972 assigned on November 2017. The practitioner's primary taxonomy code is 235Z00000X with license number 26834 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1790299972
Provider Name
MRS. ALEXANDRA RENEE FOSTER MS, CCC-SLP, CBIS
Gender
Female
Entity Type
Individual
Location Address
DEPARTMENT OF VETERANS AFFAIRS NORTHERN CALIFORNIA HEAL 10535 HOSPITAL WAY - SPEECH/ENT BLDG. 722 MATHER, CA 95655
Location Phone
(916) 843-2758
Mailing Address
6169 TAHOE WAY SACRAMENTO, CA 95817
Mailing Phone
(954) 665-8997
Is Sole Proprietor?
No
Enumeration Date
11-26-2017
Last Update Date
02-11-2025
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
26834
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.

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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 1790299972, 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 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.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 2 → 4 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 4 + 9 + 1 + 8 + 9 + 1 + 4 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1790299972.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790299972, enumerated as an "individual" on November 26, 2017.

The provider is located at DEPARTMENT OF VETERANS AFFAIRS NORTHERN CALIFORNIA HEAL 10535 HOSPITAL WAY - SPEECH/ENT BLDG. 722 MATHER, CA 95655 and the phone number is (916) 843-2758.

Speech-Language Pathologist with taxonomy code 235Z00000X.