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

Dr. Russell Morgan Marks, PHD

Individual provider Psychologist · NPI 1447834569

Dr. Russell Morgan Marks, PHD is a Clinical Psychologist in Providence, Rhode Island. Qualified in 2020, 6 years ago. Practices with Lifespan Physician Group Inc, a 1,125-clinician group and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
6
Licensed in
RI
In the registry since
2021
Specialties on file
2
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

110 Lockwood Street Potter Bldg
Providence, RI 02903
Phone: (401) 444-2128
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS01961 (RI)
Psychologist Taxonomy 103T00000X

Record details

NPI number1447834569
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 6, 2021
Last updated in NPPESJune 28, 2021
Certification dateJune 28, 2021
Mailing address427 Winthrop St Unit 2, Taunton, MA 02780-6721

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Lifespan Physician Group Inc — 1125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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