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

Mr. Arthur Knack, PHD, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1104195502

Mr. Arthur Knack, PHD, CCC-SLP is a Speech-Language Pathologist in Ann Arbor, Michigan. Licensed in Michigan. Registered with an NPI since 2011.

Licensed in
MI
In the registry since
2011
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

2215 Fuller Rd
Ann Arbor, MI 48105-2303
Phone: (734) 845-5144
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 7101002307 (MI)

Record details

NPI number1104195502
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , CCC-SLP
Sole proprietorNo
NPI enumeratedDecember 14, 2011
Last updated in NPPESMarch 6, 2026
Certification dateMarch 6, 2026

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