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

Diana L Theiss PHD

Organization Clinical Social Worker · NPI 1396250338

Diana L Theiss PHD is a Clinical Social Worker in Sylvania, Ohio. Licensed in Ohio. Registered with an NPI since 2017.

Licensed in
OH
In the registry since
2017

Practice location Address checks out

5800 Monroe St Ste A1
Sylvania, OH 43560-2208
Phone: (419) 517-7073
Fax: (419) 517-0122
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence I0900183-SUPV (OH)

Record details

NPI number1396250338
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Diana Theiss — Practice Owner · (419) 843-5945
Other names Sylvania Therapy And Counseling
NPI enumeratedDecember 13, 2017
Last updated in NPPESMarch 2, 2023
Certification dateMarch 2, 2023
Mailing address5800 Monroe St Ste A1, Sylvania, OH 43560-2208

Other providers in Sylvania