Marjorie Siegel, LICSW
NPI 1649365776 · Clinical Social Worker · Brookline, MA
Marjorie Siegel, LICSW is a Clinical Social Worker provider in Brookline, MA (NPI 1649365776).
Provider details
- NPI number
- 1649365776
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- SW 1030148-1 (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
- 2006-10-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marjorie Siegel's NPI number?
- Marjorie Siegel's National Provider Identifier (NPI) is 1649365776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjorie Siegel's specialty?
- Marjorie Siegel is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marjorie Siegel located?
- Marjorie Siegel's practice location on file with NPPES is 1180 Beacon St, Brookline, MA 02446-3885.
- What is Marjorie Siegel's phone number?
- The practice phone number listed in the NPPES registry for Marjorie Siegel is (617) 731-0932.
- Is Marjorie Siegel's NPI active?
- Yes — Marjorie Siegel's NPI (1649365776) 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.