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 is a Mental Health Counselor 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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