Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Waltham Behavioral Health LLC

Organization Mental Health Counselor · NPI 1427453000

Waltham Behavioral Health LLC provides Mental Health Counselor services in Waltham, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2014.

Licensed in
MA
In the registry since
2014
Specialties on file
8
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

210 Bear Hill Rd Ste 202
Waltham, MA 02451-1025
Phone: (781) 966-0070
Fax: (781) 915-0755
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Psychiatric/Mental Health Registered Nurse (primary) Taxonomy 163WP0809X
Mental Health Counselor Taxonomy 101YM0800X
Clinical Psychologist Taxonomy 103TC0700X · Licence 7194 (MA)
Clinical Social Worker Taxonomy 1041C0700X · Licence 113314 (MA)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 205807 (MA)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 280722 (MA)
Adult Psychiatric/Mental Health Clinical Nurse Specialist Taxonomy 364SP0809X · Licence 175264 (MA)

Record details

NPI number1427453000
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Eleftheria Tsavoussis — Owner · (781) 966-0070
NPI enumeratedOctober 25, 2014
Last updated in NPPESJanuary 6, 2020
Certification dateJanuary 6, 2020
Mailing address210 Bear Hill Road, Suite 202, Waltham, MA 02451-1025

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