MRS. CAROL JEAN LAYNE M.S.
NPI 1073798195
Speech-Language Pathologist in Walnut Creek, CA

NPI Status: Active since January 08, 2008

Contact Information

2021 YGNACIO VALLEY RD
C-202
WALNUT CREEK, CA
ZIP 94598
Phone: (925) 945-1474
Fax: (925) 945-1483

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  • Individual
  • Female
  • Speech-Language Pathologist

About CAROL LAYNE

This page provides the complete NPI Profile along with additional information for Carol Layne, a provider established in Walnut Creek, California with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1073798195 assigned on January 2008. The practitioner's primary taxonomy code is 235Z00000X with license number 8784 (CA). The provider is registered as an individual and her NPI record was last updated 18 years ago.

NPI
1073798195
Provider Name
MRS. CAROL JEAN LAYNE M.S.
Gender
Female
Entity Type
Individual
Location Address
2021 YGNACIO VALLEY RD C-202 WALNUT CREEK, CA 94598
Location Phone
(925) 945-1474
Location Fax
(925) 945-1483
Mailing Address
2021 YGNACIO VALLEY RD C-202 WALNUT CREEK, CA 94598
Mailing Phone
(925) 945-1474
Mailing Fax
(925) 945-1483
Is Sole Proprietor?
Yes
Enumeration Date
01-08-2008
Last Update Date
01-08-2008
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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.
8784
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 1073798195, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
3
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
5
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 7 → 14 → 5 7 → 14 → 5 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 4 + 3 + 1 + 4 + 9 + 1 + 6 + 1 + 1 + 8 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1073798195.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Plastic Surgery
2021 YGNACIO VALLEY RD, BUILDING H. SUITE 202
WALNUT CREEK, CA 94598
Dentist (General Practice)
2021 YGNACIO VALLEY RD, H-201
WALNUT CREEK, CA 94598
Ophthalmology
2021 YGNACIO VALLEY RD, SUITE C-102
WALNUT CREEK, CA 94598
Chiropractor
2021 YGNACIO VALLEY RD, C204
WALNUT CREEK, CA 94598
Dentist
2021 YGNACIO VALLEY RD, SUITE A2
WALNUT CREEK, CA 94598
Dentist (General Practice)
2021 YGNACIO VALLEY RD, BLDG B-3
WALNUT CREEK, CA 94598
Acupuncturist
2021 YGNACIO VALLEY RD, SUITE D
WALNUT CREEK, CA 94598
Dentist (General Practice)
2021 YGNACIO VALLEY RD, SUITE C 101
WALNUT CREEK, CA 94598
Chiropractor (Sports Physician)
2021 YGNACIO VALLEY RD, SUITE C-204
WALNUT CREEK, CA 94598
Dentist (Prosthodontics)
2021 YGNACIO VALLEY RD, B2
WALNUT CREEK, CA 94598
Dentist (Periodontics)
2021 YGNACIO VALLEY RD, SUITE A-2
WALNUT CREEK, CA 94598
Chiropractor
2021 YGNACIO VALLEY RD, C204
WALNUT CREEK, CA 94598
Dentist
2021 YGNACIO VALLEY RD, SUITE H-201
WALNUT CREEK, CA 94598
Internal Medicine (Gastroenterology)
2021 YGNACIO VALLEY RD, BLDG H STE 102
WALNUT CREEK, CA 94598
Dentist (General Practice)
2021 YGNACIO VALLEY RD, SUITE H-201
WALNUT CREEK, CA 94598
Speech-Language Pathologist
2021 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Speech-Language Pathologist
2021 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598
Psychiatry & Neurology (Psychiatry)
2021 YGNACIO VALLEY RD, SUITE D-4
WALNUT CREEK, CA 94598
Speech-Language Pathologist
2021 YGNACIO VALLEY RD
WALNUT CREEK, CA 94598

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1073798195, enumerated as an "individual" on January 08, 2008.

The provider is located at 2021 YGNACIO VALLEY RD C-202 WALNUT CREEK, CA 94598 and the phone number is (925) 945-1474.

Speech-Language Pathologist with taxonomy code 235Z00000X.