MARY KAY WILLIS SLPA
NPI 1811223324
Specialist/Technologist - Speech-Language Assistant in San Antonio, TX

NPI Status: Active since October 19, 2009

Contact Information

1248 AUSTIN HWY
SUITE 210
SAN ANTONIO, TX
ZIP 78209
Phone: (210) 646-8008
Fax: (210) 646-8242

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

About MARY WILLIS

This page provides the complete NPI Profile along with additional information for Mary Willis, a provider established in San Antonio, Texas with a medical specialization in Specialist/technologist, focusing in speech-language assistant . The healthcare provider is registered in the NPI registry with number 1811223324 assigned on October 2009. The practitioner's primary taxonomy code is 2355S0801X with license number 35255 (TX). The provider is registered as an individual and her NPI record was last updated 17 years ago.

NPI
1811223324
Provider Name
MARY KAY WILLIS SLPA
Gender
Female
Entity Type
Individual
Location Address
1248 AUSTIN HWY SUITE 210 SAN ANTONIO, TX 78209
Location Phone
(210) 646-8008
Location Fax
(210) 646-8242
Mailing Address
1248 AUSTIN HWY SUITE 210 SAN ANTONIO, TX 78209
Mailing Phone
(210) 646-8008
Mailing Fax
(210) 646-8242
Is Sole Proprietor?
Yes
Enumeration Date
10-19-2009
Last Update Date
10-19-2009
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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

Specialist/Technologist Speech-Language Assistant

Taxonomy Code
2355S0801X
Type
Speech, Language and Hearing Service Providers
License No.
35255
License State
TX

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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 1811223324, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
Check
4
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 2 → 4 3 → 6 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 4 + 2 + 6 + 3 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1811223324.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Speech-Language Pathologist
1248 AUSTIN HWY, STE 210
SAN ANTONIO, TX 78209
Speech-Language Pathologist
1248 AUSTIN HWY, SUITE 210
SAN ANTONIO, TX 78209
Physical Therapist
1248 AUSTIN HWY, UNIT 210
SAN ANTONIO, TX 78209
Physical Therapy Assistant
1248 AUSTIN HWY, STE 210
SAN ANTONIO, TX 78209
Physical Therapist
1248 AUSTIN HWY, SUITE 210
SAN ANTONIO, TX 78209
Family Medicine
1248 AUSTIN HWY, SUITE 214
SAN ANTONIO, TX 78209
Social Worker (Clinical)
1248 AUSTIN HWY, SUITE 106-160
SAN ANTONIO, TX 78209
Speech-Language Pathologist
1248 AUSTIN HWY, STE 210
SAN ANTONIO, TX 78209
Physical Therapist (Pediatrics)
1248 AUSTIN HWY
SAN ANTONIO, TX 78209

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811223324, enumerated as an "individual" on October 19, 2009.

The provider is located at 1248 AUSTIN HWY SUITE 210 SAN ANTONIO, TX 78209 and the phone number is (210) 646-8008.

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