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

Dr. Diana Lynn Theiss, PHD, LISW-S

Individual provider Social Worker · NPI 1265722813

Dr. Diana Lynn Theiss, PHD, LISW-S is a Clinical Social Worker in Sylvania, Ohio. Qualified in 2010, 16 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
16
Licensed in
OH
In the registry since
2011
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5800 Monroe St Ste A1
Sylvania, OH 43560-2208
Phone: (419) 276-3556
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence I-0900183-SUPV (OH)
Social Worker Taxonomy 104100000X · Licence I.0900183-SUPV (OH)

Record details

NPI number1265722813
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , LISW-S
Sole proprietorYes
NPI enumeratedApril 17, 2011
Last updated in NPPESMarch 2, 2023
Certification dateMarch 2, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Sylvania