Brett Schlossberg, LICSW
NPI 1053486761 · Mental Health Counselor · Brookline, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brett Schlossberg, LICSW is a Mental Health Counselor provider in Brookline, MA (NPI 1053486761).
Provider details
- NPI number
- 1053486761
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- 102969 (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
- 2006-11-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Brett Schlossberg's NPI number?
- Brett Schlossberg's National Provider Identifier (NPI) is 1053486761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brett Schlossberg's specialty?
- Brett Schlossberg is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Brett Schlossberg located?
- Brett Schlossberg's practice location on file with NPPES is 1101 Beacon St, Brookline, MA 02446.
- What is Brett Schlossberg's phone number?
- The practice phone number listed in the NPPES registry for Brett Schlossberg is (617) 566-4802.
- Does Brett Schlossberg accept Medicare?
- Brett Schlossberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brett Schlossberg's NPI active?
- Yes — Brett Schlossberg's NPI (1053486761) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.