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

Dr. John Marcello Gentry, PSYD

Individual provider Clinical Child & Adolescent Psychologist · NPI 1811939663

Dr. John Marcello Gentry, PSYD is a Clinical Psychologist in Southampton, Pennsylvania. Qualified in 1981, 45 years ago. Practices with Delaware County Professional Services, Inc, a 275-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
45
Licensed in
PA
In the registry since
2006
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

928 Jaymor Rd Ste B-150
Southampton, PA 18966-3826
Phone: (215) 947-8654
Fax: (215) 938-7607
Show map & directions

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

Specialties & licences

Clinical Child & Adolescent Psychologist (primary) Taxonomy 103TC2200X · Licence PS004299L (PA)

Record details

NPI number1811939663
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedJune 12, 2006
Last updated in NPPESJune 19, 2014

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Group practice Delaware County Professional Services, Inc — 275 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare