IndividualActive
Megan Mareiro, LCSW
NPI 1558953646 · Social Worker · Boston, MA
Megan Mareiro, LCSW is a Social Worker provider in Boston, MA (NPI 1558953646).
Provider details
- NPI number
- 1558953646
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 225898 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
85 E Newton St
Boston, MA 02118-3553
Phone: (617) 414-8336
Street-level locationGet directions
Mailing address
24 Bigelow St Apt 3
Boston, MA 02135-1654
Registry dates
- Enumerated
- 2021-02-09
- Last updated
- 2021-02-09
- Certified
- 2021-02-09
Frequently asked questions
- What is Megan Mareiro's NPI number?
- Megan Mareiro's National Provider Identifier (NPI) is 1558953646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Mareiro's specialty?
- Megan Mareiro is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Megan Mareiro located?
- Megan Mareiro's practice location on file with NPPES is 85 E Newton St, Boston, MA 02118-3553.
- What is Megan Mareiro's phone number?
- The practice phone number listed in the NPPES registry for Megan Mareiro is (617) 414-8336.
- Is Megan Mareiro's NPI active?
- Yes — Megan Mareiro's NPI (1558953646) is active in the NPPES registry as of the last update on 2021-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.