Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Robert O. Sills, PHD, LICSW

Individual provider Clinical Social Worker · NPI 1740305465

Dr. Robert O. Sills, PHD, LICSW is a Clinical Social Worker in Somerville, Massachusetts. Qualified in 1979, 47 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
47
Licensed in
MA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

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Practice location Address checks out

403 Highland Ave Ste 211
Somerville, MA 02144-2530
Phone: (617) 666-5800
Fax: (617) 666-5832
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 104468 (MA)

Record details

NPI number1740305465
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , LICSW
Sole proprietorYes
NPI enumeratedMarch 20, 2007
Last updated in NPPESJuly 9, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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