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

Individual provider Mental Health Counselor · NPI 1427191642

Jonathan Carl Siehl, MSW, LISW is a Mental Health Counselor in Worthington, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2007
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

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Practice location Address checks out

1000 High St Ste D
Worthington, OH 43085-4044
Phone: (614) 668-3344
Fax: (614) 505-6876
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence I-1298 (OH)

Record details

NPI number1427191642
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW , LISW
Sole proprietorYes
NPI enumeratedFebruary 15, 2007
Last updated in NPPESNovember 8, 2013

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