Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Diagnostic Testing Services, LLC

Organization Sleep Disorder Diagnostic Clinic/Center · NPI 1528036621

Diagnostic Testing Services, LLC is a Sleep Disorder Diagnostic Clinic/Center in Chattanooga, Tennessee. Registered with an NPI since 2006.

In the registry since
2006
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

7155 Lee Hwy Ste 400
Chattanooga, TN 37421-0800
Phone: (423) 499-2637
Fax: (423) 499-2636
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Disorder Diagnostic Clinic/Center (primary) Taxonomy 261QS1200X
Durable Medical Equipment & Medical Supplies Taxonomy 332B00000X

Record details

NPI number1528036621
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official David Baxter — President · (931) 375-1775
NPI enumeratedMarch 14, 2006
Last updated in NPPESJune 3, 2026
Certification dateJune 3, 2026
Mailing address7155 Lee Hwy Ste 400, Chattanooga, TN 37421-0803

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