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

Marcia Liss, PHD

Individual provider Psychologist · NPI 1922039353

Marcia Liss, PHD is a Clinical Psychologist in East Greenwich, Rhode Island. Qualified in 1991, 35 years ago. Practices with Lifespan Physician Group Inc, a 1,125-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Rhode Island.

Years since qualifying
35
Licensed in
RI
In the registry since
2006
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

1351 S County Trl Bldg 2 Ste 210
East Greenwich, RI 02818-5079
Phone: (401) 884-2088
Fax: (401) 884-2075
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS00692 (RI)

Record details

NPI number1922039353
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Lifespan Physician Group Inc — 1125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in East Greenwich