Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Holly Hackworth Drinnon, MA, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1366453318

Mrs. Holly Hackworth Drinnon, MA, CCC-SLP is a Qualified Speech Language Pathologist in Knoxville, Tennessee. Graduated from University of Tennessee, Hsc, College of Medicine in 2004, 22 years ago. Practices with Grace Rehabilitation Center, Inc, a 3-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
22
Trained at
University of Tennessee, Hsc, College of Medicine
Licensed in
TN
In the registry since
2006
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

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Practice location Address checks out

9040 Executive Park Dr Ste 102
Knoxville, TN 37923-4640
Phone: (865) 679-1519
Fax: (865) 769-0801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 3083 (TN)

Record details

NPI number1366453318
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , CCC-SLP
Sole proprietorNo
NPI enumeratedAugust 11, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyQUALIFIED SPEECH LANGUAGE PATHOLOGIST
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Grace Rehabilitation Center, Inc. — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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