NPPES file of Aug 9, 2026

Lisa Marie Tonnessen, PHD

Professional Counselor · Groton, CT

Lisa Marie Tonnessen, PHD is a professional counselor with a practice address in Groton, Connecticut, and NPI 1083713119, issued on Sep 22, 2006. Check the license (Connecticut 000387, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083713119
Name
Lisa Marie Tonnessen
Credential
PHD
Primary taxonomy
Professional Counselor 101YP2500X
License number
000387 CT
Self-reported in NPPES; status is on the state search
Practice location
616 Goldstar Hgwy, Groton, CT 06340
Phone
(860) 449-0200
Enumerated
Sep 22, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(860) 449-1954
Medicare enrollment
Enrolled (PECOS I20240122001841); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Lisa Marie Tonnessen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 000387
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Connecticut Behavioral Health Assoc PCGroton, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lisa Marie Tonnessen among 2,812 professional counselor records in Connecticut

Lisa Marie Tonnessen, PHD is one of 2,812 professional counselor records with a practice address in Connecticut. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 94% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated2001 · median 2015 among the 503 with a school on file
  • Record last updated2007 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 professional counselor records list a practice address in Groton

They are 13 of the 734 NPPES records with a practice address in Groton, and 2,812 professional counselor records in Connecticut.

The 8 professional counselor records with the nearest ZIP codes

  1. Nancy Anstrom, LPCGroton, CT 063401205920022
  2. Margaret BibbyGroton, CT 063401326623034
  3. Alicia Brengman, PHD, MSGroton, CT 063401306310255
  4. Danielle Escobar, LPCGroton, CT 063401659798478
  5. Diana Gryszkiewicz, LPCGroton, CT 063401477333292
  6. Kennyshka Kouwenhoven, LPCGriswold, CT 063401376399246
  7. Kathy Martinelli, LPCGroton, CT 063401336270040
  8. Lydia Perry, LPC, LADCGroton, CT 063401275051724

Common questions

What is Lisa Marie Tonnessen, PHD's NPI number?

Lisa Marie Tonnessen, PHD's National Provider Identifier (NPI) is 1083713119, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lisa Marie Tonnessen, PHD located?

The NPPES record lists a practice address at 616 Goldstar Hgwy, Groton, CT, 06340. Phone: (860) 449-0200. Providers update this record themselves, so call before visiting.

How can I verify Lisa Marie Tonnessen, PHD's license?

NPPES lists Connecticut license number 000387, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.