IndividualActive
Alexander Vlavianos, LMHC
NPI 1659857803 · Mental Health Counselor · Boston, MA
Alexander Vlavianos, LMHC is a Mental Health Counselor provider in Boston, MA (NPI 1659857803).
Provider details
- NPI number
- 1659857803
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Male
- Sole proprietor
- No
- License
- LMHC10004432 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
400 Fenway
Boston, MA 02115-5798
Phone: (617) 735-9920
Fax: (617) 735-9919
Approximate (ZIP-level) locationGet directions
Mailing address
400 Fenway
Boston, MA 02115-5798
Registry dates
- Enumerated
- 2018-07-11
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is Alexander Vlavianos's NPI number?
- Alexander Vlavianos's National Provider Identifier (NPI) is 1659857803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Vlavianos's specialty?
- Alexander Vlavianos is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Alexander Vlavianos located?
- Alexander Vlavianos's practice location on file with NPPES is 400 Fenway, Boston, MA 02115-5798.
- What is Alexander Vlavianos's phone number?
- The practice phone number listed in the NPPES registry for Alexander Vlavianos is (617) 735-9920.
- Is Alexander Vlavianos's NPI active?
- Yes — Alexander Vlavianos's NPI (1659857803) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.