Massachusetts General Hospital
NPI 1699908756 · Clinical Social Worker · Charlestown, MA
Massachusetts General Hospital is a Clinical Social Worker organization in Charlestown, MA (NPI 1699908756).
Provider details
- NPI number
- 1699908756
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Lorenzo Lewis, Medical Director(617) 724-8227
- License
- 1020597 (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
16 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
- 2009-08-24
- Last updated
- 2009-08-24
Frequently asked questions
- What is Massachusetts General Hospital's NPI number?
- Massachusetts General Hospital's National Provider Identifier (NPI) is 1699908756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Massachusetts General Hospital?
- Massachusetts General Hospital is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Massachusetts General Hospital located?
- Massachusetts General Hospital's practice location on file with NPPES is 73 High St. Charlestown, Ma., Charlestown, MA 02129.
- What is Massachusetts General Hospital's phone number?
- The practice phone number listed in the NPPES registry for Massachusetts General Hospital is (617) 724-9317.
- Who is the authorized official for Massachusetts General Hospital?
- The authorized official listed on Massachusetts General Hospital's NPPES record is Lorenzo Lewis, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Massachusetts General Hospital's NPI active?
- Yes — Massachusetts General Hospital's NPI (1699908756) is active in the NPPES registry as of the last update on 2009-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.