IndividualActive
Alexander Costa
NPI 1912504655 · Mental Health Counselor · Chelsea, MA
Alexander Costa is a Mental Health Counselor provider in Chelsea, MA (NPI 1912504655).
Provider details
- NPI number
- 1912504655
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 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
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
301 Broadway
Chelsea, MA 02150-2807
Phone: (617) 889-4860
Street-level locationGet directions
Mailing address
17 Innerbelt Rd
Somerville, MA 02143-4418
Additional practice locations (1)
- 17 Innerbelt RdSomerville, MA 02143-4418Phone: (617) 267-3700
Registry dates
- Enumerated
- 2020-10-06
- Last updated
- 2021-10-14
- Certified
- 2021-10-14
Frequently asked questions
- What is Alexander Costa's NPI number?
- Alexander Costa's National Provider Identifier (NPI) is 1912504655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Costa's specialty?
- Alexander Costa is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Alexander Costa located?
- Alexander Costa's practice location on file with NPPES is 301 Broadway, Chelsea, MA 02150-2807.
- What is Alexander Costa's phone number?
- The practice phone number listed in the NPPES registry for Alexander Costa is (617) 889-4860.
- Is Alexander Costa's NPI active?
- Yes — Alexander Costa's NPI (1912504655) is active in the NPPES registry as of the last update on 2021-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.