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

Dr. Theron Liddell, PHD

Individual provider Psychologist · NPI 1528515939

Dr. Theron Liddell, PHD is a Clinical Psychologist in Harlingen, Texas. Qualified in 2025, 1 year ago. Practices with Midwestern University, a 117-clinician group and accepts Medicare assignment.

Years since qualifying
1
In the registry since
2016
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 →

Practice location Address checks out

2106 Treasure Hills Blvd # 129
Harlingen, TX 78550-8736
Phone: (956) 366-4500
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X
Counseling Psychologist Taxonomy 103TC1900X

Record details

NPI number1528515939
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 1, 2016
Last updated in NPPESSeptember 1, 2016
Mailing address2106 Treasure Hills Blvd, 129, Harlingen, TX 78550-8736

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Midwestern University — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Harlingen