AVERY LYNN LIDDELL
NPI 1821989849
Speech-Language Pathologist in Nolensville, TN

NPI Status: Active since July 09, 2025

Contact Information

7146 NOLENSVILLE RD
NOLENSVILLE, TN
ZIP 37135
Phone: (615) 283-6150

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Newly Listed Provider
This NPI profile has been added to the NPI registry within the last 30 days.

Table of Contents

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Speech-Language Pathologist

About AVERY LYNN LIDDELL

This page provides the complete NPI Profile along with additional information for Avery Lynn Liddell, a provider established in Nolensville, Tennessee with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1821989849 assigned on July 2025. The practitioner's primary taxonomy code is 235Z00000X. The provider is registered as an individual and her NPI record was last updated July 2025.

NPI: 1821989849
Provider Name: AVERY LYNN LIDDELL
Gender: Female
Entity Type: Individual
Location Address: 7146 NOLENSVILLE RD NOLENSVILLE, TN 37135
Location Phone: (615) 283-6150
Mailing Address: 7146 NOLENSVILLE RD NOLENSVILLE, TN 37135
Mailing Phone: (615) 832-8955
Is Sole Proprietor?: No
Enumeration Date: 07-09-2025
Last Update Date: 07-09-2025
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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
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.

NPI Validation Check Digit Calculation

The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1	8	2	1	9	8	9	8	4	9
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
2	8	4	1	18	8	18	8	8
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 8 + 4 + 1 + 1 + 8 + 8 + 1 + 8 + 8 + 8 + 24 = 81
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
90 - 81 = 9									9

The NPI number 1821989849 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location

The following 11 providers are registered at the same or nearby location.

NOLENSVILLE ORTHODONTICS, PLLC

Dentist

(Orthodontics and Dentofacial Orthopedics)

7146 NOLENSVILLE RD
SUITE 101
NOLENSVILLE, TN
ZIP 37135

(615) 776-3442

View Profile

BRENTWOOD PEDIATRIC DENTISTRY

Dentist

(Pediatric Dentistry)

7146 NOLENSVILLE RD
SUITE 101
NOLENSVILLE, TN
ZIP 37135

(615) 283-7397

View Profile

TRACE ORAL SURGERY, PLLC

Dentist

(Oral and Maxillofacial Surgery)