Maria Mandalos, M.A.
NPI 1871964890 · Mental Health Counselor · Brookline, MA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Mandalos, M.A. is a Mental Health Counselor provider in Brookline, MA (NPI 1871964890).
Provider details
- NPI number
- 1871964890
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- No
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
10 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2015-10-16
- Last updated
- 2015-10-16
Frequently asked questions
- What is Maria Mandalos's NPI number?
- Maria Mandalos's National Provider Identifier (NPI) is 1871964890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Mandalos's specialty?
- Maria Mandalos is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Maria Mandalos located?
- Maria Mandalos's practice location on file with NPPES is 1415 Beacon St, Brookline, MA 02446-4816.
- What is Maria Mandalos's phone number?
- The practice phone number listed in the NPPES registry for Maria Mandalos is (617) 566-2200.
- Does Maria Mandalos accept Medicare?
- Maria Mandalos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Mandalos's NPI active?
- Yes — Maria Mandalos's NPI (1871964890) is active in the NPPES registry as of the last update on 2015-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.