Avalon Diagnostics LLC
Avalon Diagnostics LLC is a healthcare organization registered as Sleep Disorder Diagnostic Clinic/Center in Sherman, TX, holding Type 2 (organization) NPI 1740458298 since 2008. The authorized official on file is Chandra Mckenzie, Ower/Director.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1740458298 |
|---|---|
| Entity type | Organization (Type 2) |
| Legal business name | Avalon Diagnostics LLC |
| Practice address | 2009 INDEPENDENCE DR, SUITE 103, Sherman, TX, 75090 |
| Phone | 9038926496 |
| Fax | 9038926368 |
| Enumeration date | 2008-02-19 |
| Last updated in NPPES | 2015-11-20 |
Authorized official
| Name | Chandra Mckenzie |
|---|---|
| Title | Ower/Director |
| Phone | 9038926496 |
Taxonomy & classification
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 261QS1200X | Sleep Disorder Diagnostic Clinic/Center | Primary | — | TX |
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| FTS188 | Other | TX | MEDICARE PTAN |
Copy-ready billing details
Provider: Avalon Diagnostics LLC NPI: 1740458298 Taxonomy: 261QS1200X (Sleep Disorder Diagnostic Clinic/Center) Address: 2009 INDEPENDENCE DR, SUITE 103, Sherman, TX, 75090
Providers at this address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1417916032 | Avalon Home Health, Inc. | Organization | Home Health Agency | Sherman, TX |
| 1811957277 | Avalon Home Health Inc | Organization | Community Based Hospice Care Agency | Sherman, TX |
| 1437294527 | True Guardian Hospice, Inc. | Organization | Community Based Hospice Care Agency | Sherman, TX |
Verify this record
Cross-check NPI 1740458298 against the authoritative CMS record: view Avalon Diagnostics LLC on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
What is a Type 2 NPI?
What type of organization is Avalon Diagnostics LLC?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2015-11-20.