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

Justin Sean Gillis

Individual provider Clinical Social Worker · NPI 1679060123

Justin Sean Gillis is a Clinical Social Worker in Belmont, Massachusetts. Qualified in 2015, 11 years ago. Practices with The McLean Hospital Corporation, a 186-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
11
Licensed in
MA
In the registry since
2018

Practice location Address checks out

115 Mill St
Belmont, MA 02478-1048
Phone: (617) 855-2459
Fax: (617) 855-3715
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 120799 (MA)

Record details

NPI number1679060123
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 20, 2018
Last updated in NPPESApril 20, 2018

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice The McLean Hospital Corporation — 186 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Belmont