SIAN REGAN STONE SLPA
NPI 1619681350
Specialist/Technologist - Speech-Language Assistant in Martinez, CA

NPI Status: Active since January 09, 2023

Contact Information

649 MAIN ST # 229
MARTINEZ, CA
ZIP 94553
Phone: (707) 651-9915

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  • Individual
  • Female
  • Specialist/Technologist
  • Speech-Language Assistant

About SIAN STONE

This page provides the complete NPI Profile along with additional information for Sian Stone, a provider established in Martinez, California with a medical specialization in Specialist/technologist, focusing in speech-language assistant . The healthcare provider is registered in the NPI registry with number 1619681350 assigned on January 2023. The practitioner's primary taxonomy code is 2355S0801X with license number 4391 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1619681350
Provider Name
SIAN REGAN STONE SLPA
Gender
Female
Entity Type
Individual
Location Address
649 MAIN ST # 229 MARTINEZ, CA 94553
Location Phone
(707) 651-9915
Mailing Address
955 WALNUT AVE VALLEJO, CA 94592
Mailing Phone
(707) 651-9915
Is Sole Proprietor?
No
Enumeration Date
01-09-2023
Last Update Date
01-09-2023
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Location Map

Secondary Locations

  • 195 Glen Cove Marina Rd E
    Vallejo, CA 94591
    (707) 651-9915
  • 955 Walnut Ave
    Vallejo, CA 94592
    (707) 651-9915

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

Specialist/Technologist Speech-Language Assistant

Taxonomy Code
2355S0801X
Type
Speech, Language and Hearing Service Providers
License No.
4391
License State
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 1619681350, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 1 → 2 6 → 12 → 3 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 1 + 2 + 8 + 2 + 3 + 1 + 0 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1619681350.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Home Health
649 MAIN ST # 229
MARTINEZ, CA 94553

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619681350, enumerated as an "individual" on January 09, 2023.

The provider is located at 649 MAIN ST # 229 MARTINEZ, CA 94553 and the phone number is (707) 651-9915.

Specialist/Technologist with taxonomy code 2355S0801X and a focus in Speech-Language Assistant.