Robert Sills, PH.D., LICSW
NPI 1740305465 · Clinical Social Worker · Somerville, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Sills, PH.D., LICSW is a Clinical Social Worker provider in Somerville, MA (NPI 1740305465).
Provider details
- NPI number
- 1740305465
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PH.D., LICSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 104468 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2007-07-09
Frequently asked questions
- What is Robert Sills's NPI number?
- Robert Sills's National Provider Identifier (NPI) is 1740305465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Sills's specialty?
- Robert Sills is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Robert Sills located?
- Robert Sills's practice location on file with NPPES is 403 Highland Ave, Somerville, MA 02144-2530.
- What is Robert Sills's phone number?
- The practice phone number listed in the NPPES registry for Robert Sills is (617) 666-5800.
- Does Robert Sills accept Medicare?
- Robert Sills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Sills's NPI active?
- Yes — Robert Sills's NPI (1740305465) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.