Lisa Tonnessen, PHD
NPI 1083713119 · Professional Counselor · Groton, CT
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa Tonnessen, PHD is a Professional Counselor provider in Groton, CT (NPI 1083713119).
Provider details
- NPI number
- 1083713119
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 000387 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lisa Tonnessen's NPI number?
- Lisa Tonnessen's National Provider Identifier (NPI) is 1083713119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Tonnessen's specialty?
- Lisa Tonnessen is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Lisa Tonnessen located?
- Lisa Tonnessen's practice location on file with NPPES is 616 Goldstar Hgwy, Groton, CT 06340.
- What is Lisa Tonnessen's phone number?
- The practice phone number listed in the NPPES registry for Lisa Tonnessen is (860) 449-0200.
- Does Lisa Tonnessen accept Medicare?
- Lisa Tonnessen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa Tonnessen's NPI active?
- Yes — Lisa Tonnessen's NPI (1083713119) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.