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

Dr. Sean Martin Markey, EDD

Individual provider Health Service Psychologist · NPI 1699078295

Dr. Sean Martin Markey, EDD is a Clinical Psychologist in Watertown, Massachusetts. Qualified in 2009, 17 years ago. Practices with Square Medical Group LLC, a 16-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
17
Licensed in
MA
In the registry since
2010
Specialties on file
2
What do these letters mean?
EDD — Doctor of Education
A doctorate in education.

See every abbreviation used in this directory →

Practice location Address checks out

124 Watertown St Ste 2D
Watertown, MA 02472
Phone: (176) 916-5069
Fax: (617) 467-4073
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 9282 (MA)
Health Service Psychologist Taxonomy 103TH0100X · Licence 9282 (MA)

Record details

NPI number1699078295
Entity typeIndividual (Type 1)
GenderMale
Credentials EDD
Sole proprietorNo
NPI enumeratedDecember 21, 2010
Last updated in NPPESJuly 18, 2018

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Square Medical Group Llc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services