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

Dr. Mary Elizabeth Ertel, PHD

Individual provider Clinical Psychologist · NPI 1457648206

Dr. Mary Elizabeth Ertel, PHD is a Clinical Psychologist in Bryn Mawr, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2011
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

1024 E Lancaster Ave
Bryn Mawr, PA 19010-1409
Phone: (610) 525-1599
Fax: (610) 525-1599
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS016105 (PA)

Record details

NPI number1457648206
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 30, 2011
Last updated in NPPESJune 30, 2011

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