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

Mary Tatum Chappell, PHD

Individual provider Clinical Psychologist · NPI 1831661727

Mary Tatum Chappell, PHD is a Clinical Psychologist in Bethesda, Maryland. Qualified in 2012, 14 years ago. Licensed in District of Columbia.

Years since qualifying
14
Licensed in
DC
In the registry since
2018
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

2 Wisconsin Cir Ste 700
Bethesda, MD 20815-7007
Phone: (844) 942-1789
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY1001341 (DC)

Record details

NPI number1831661727
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 18, 2018
Last updated in NPPESJanuary 3, 2023
Certification dateJanuary 3, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Accepts Medicare assignment Not indicated

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