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

Mary Margaret Lindsay, PHD

Individual provider Clinical Psychologist · NPI 1558654608

Mary Margaret Lindsay, PHD is a Clinical Psychologist in Downingtown, Pennsylvania. Qualified in 1995, 31 years ago. Practices with Villa St John Vianney, a 3-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
31
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.

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Practice location Address checks out

151 Woodbine Rd
Downingtown, PA 19335-3057
Phone: (610) 269-2600
Fax: (610) 518-2020
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS006669L (PA)

Record details

NPI number1558654608
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 24, 2011
Last updated in NPPESMay 24, 2011

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Villa St John Vianney — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Downingtown