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

Thair R Dieffenbach, LMHC, PHD

Individual provider Counselor · NPI 1710111349

Thair R Dieffenbach, LMHC, PHD is a Counselor in Spring Hill, Florida. Practices as a sole proprietor. Licensed in Florida.

Licensed in
FL
In the registry since
2009
Specialties on file
2
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

13215 Spring Hill Dr
Spring Hill, FL 34609-5054
Phone: (352) 683-1842
Fax: (352) 683-0247
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 MH0002734 (FL)
Counselor Taxonomy 101Y00000X · Licence MH0002734 (FL)

Record details

NPI number1710111349
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMHC , PHD
Sole proprietorYes
NPI enumeratedMay 11, 2009
Last updated in NPPESMay 11, 2009

Other providers in Spring Hill