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

Dr. John Wesley Wisor, PHD

Individual provider Psychologist · NPI 1972849107

Dr. John Wesley Wisor, PHD is a Clinical Psychologist in Glenwood, Maryland. Qualified in 1989, 37 years ago. Practices with Psychogeriatric Services LLC, a 124-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
37
Licensed in
MD
In the registry since
2012
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

3307 Saddle Horse Ct
Glenwood, MD 21738-9526
Phone: (410) 963-8381
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 2872 (MD)

Record details

NPI number1972849107
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 16, 2012
Last updated in NPPESDecember 16, 2012
Mailing address3307 Saddle Horse Ct, Glenwood, MD 21738-9526

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Psychogeriatric Services Llc — 124 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount