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

Dr. Lisa Marie Tonnessen, PHD

Individual provider Professional Counselor · NPI 1083713119

Dr. Lisa Marie Tonnessen, PHD is a Mental Health Counselor in Groton, Connecticut. Qualified in 2001, 25 years ago. Practices with Connecticut Behavioral Health Assoc PC, a 36-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
25
Licensed in
CT
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

616 Goldstar Hgwy Shoreline Counseling
Groton, CT 06340
Phone: (860) 449-0200
Fax: (860) 449-1954
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 000387 (CT)

Record details

NPI number1083713119
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedSeptember 22, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Connecticut Behavioral Health Assoc Pc — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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