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

Dr. Maria O Halloran, PHD

Individual provider Psychologist · NPI 1477849230

Dr. Maria O Halloran, PHD is a Clinical Psychologist in Darby, Pennsylvania. Qualified in 2007, 19 years ago. Practices with Evergreen Counseling and Psychological Associates LLC, an 8-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
19
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

1503 Lansdowne Ave Mercy Wellness Ctr Ste 3008
Darby, PA 19023-1330
Phone: (610) 237-5676
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS016726 (PA)

Record details

NPI number1477849230
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 21, 2011
Last updated in NPPESMarch 13, 2013

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Evergreen Counseling And Psychological Associates Llc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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