IndividualActive
Mary Diaz, LCSW
NPI 1801761507 · Clinical Social Worker · Watertown, MA
Mary Diaz, LCSW is a Clinical Social Worker provider in Watertown, MA (NPI 1801761507).
Provider details
- NPI number
- 1801761507
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
480 Pleasant St
Watertown, MA 02472-2463
Phone: (617) 272-9045
Street-level locationGet directions
Mailing address
256 S Westfield St
Feeding Hills, MA 01030-2730
Registry dates
- Enumerated
- 2025-10-10
- Last updated
- 2025-10-10
- Certified
- 2025-10-10
Frequently asked questions
- What is Mary Diaz's NPI number?
- Mary Diaz's National Provider Identifier (NPI) is 1801761507, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Diaz's specialty?
- Mary Diaz is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Diaz located?
- Mary Diaz's practice location on file with NPPES is 480 Pleasant St, Watertown, MA 02472-2463.
- What is Mary Diaz's phone number?
- The practice phone number listed in the NPPES registry for Mary Diaz is (617) 272-9045.
- Is Mary Diaz's NPI active?
- Yes — Mary Diaz's NPI (1801761507) is active in the NPPES registry as of the last update on 2025-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.