Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Eleftheria Tsavoussis, PMHCNS-BC

Individual provider Nurse Practitioner · NPI 1821073586

Eleftheria Tsavoussis, PMHCNS-BC is a Certified Clinical Nurse Specialist (Cns) in Waltham, Massachusetts. Graduated from Boston University School of Medicine in 2004, 22 years ago. Practices with Waltham Behavioral Health LLC, an 8-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
22
Trained at
Boston University School of Medicine
Licensed in
MA
In the registry since
2005
Specialties on file
2
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Practice location Address checks out

210 Bear Hill Rd Ste 202
Waltham, MA 02451
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 Clinical Nurse Specialist (primary) Taxonomy 364SP0809X · Licence 175264 (MA)
Nurse Practitioner Taxonomy 363L00000X · Licence 175264 (MA)

Record details

NPI number1821073586
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHCNS-BC
Sole proprietorYes
NPI enumeratedDecember 14, 2005
Last updated in NPPESJuly 31, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED CLINICAL NURSE SPECIALIST (CNS)
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Waltham Behavioral Health Llc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Waltham