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

Mark Willow

Individual provider Mental Health Counselor · NPI 1386989663

Mark Willow is a Mental Health Counselor in Saint Clairsville, Ohio. Licensed in Ohio. Registered with an NPI since 2012.

Licensed in
OH
In the registry since
2012

Practice location Address checks out

107 Plaza Dr
Saint Clairsville, OH 43950-8786
Phone: (740) 526-0204
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence S 1201149 (OH)

Record details

NPI number1386989663
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 28, 2012
Last updated in NPPESNovember 28, 2012
Mailing address107 Plaza Dr, Saint Clairsville, OH 43950-8786

Other providers in Saint Clairsville