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

Dr. Earl Eugene Delong, PHD

Individual provider Psychologist · NPI 1477906881

Dr. Earl Eugene Delong, PHD is a Clinical Psychologist in Lancaster, Pennsylvania. Qualified in 2010, 16 years ago. Practices with Delaware County Professional Services, Inc, a 275-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
16
Licensed in
PA
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

313 W Liberty St Ste 363
Lancaster, PA 17603-2798
Phone: (717) 606-2904
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

Psychologist (primary) Taxonomy 103T00000X · Licence PS018083 (PA)
Clinical Psychologist Taxonomy 103TC0700X · Licence PS018083 (PA)

Record details

NPI number1477906881
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 20, 2016
Last updated in NPPESNovember 17, 2025
Certification dateNovember 17, 2025
Mailing address313 W Liberty St Ste 363, Lancaster, PA 17603-2798

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Delaware County Professional Services, Inc — 275 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Lancaster