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

Mr. Matthew Mason, PHD

Individual provider Clinical Psychologist · NPI 1871615559

Mr. Matthew Mason, PHD is a Clinical Psychologist in Columbia, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
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

5525 Twin Knolls Rd Ste 327
Columbia, MD 21045-3266
Phone: (410) 992-9149
Fax: (410) 992-9921
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 03933 (MD)

Record details

NPI number1871615559
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 4, 2007
Last updated in NPPESJuly 25, 2024
Certification dateJuly 25, 2024

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