Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mark Detweiler, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1801024187

Mark Detweiler, MS, CCC-SLP is a Speech-Language Pathologist in Eugene, Oregon. Licensed in Oregon. Registered with an NPI since 2009.

Licensed in
OR
In the registry since
2009
What do these letters mean?
MS — Master of Science
A graduate science 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

1500 W 12th Ave
Eugene, OR 97402-3705
Phone: (541) 284-4880
Fax: (541) 485-6159
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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 13103 (OR)

Record details

NPI number1801024187
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , CCC-SLP
Sole proprietorNo
NPI enumeratedJune 25, 2009
Last updated in NPPESJune 25, 2009
Mailing address1500 W 12th Ave, Eugene, OR 97402-3705

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