Thomas J. Abbenante, MD

Medicare activity in 2024

Official CMS public-use data for Thomas J. Abbenante, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)196 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)29 services
3. Sleep study including heart rate, breathing, airflow, and effort (95806)28 services
4. Sleep study in sleep lab (6 years or older) (95810)19 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis49%
• Ischemic heart disease34%
• Diabetes33%
• Depression32%

Hospitals where Thomas J. Abbenante works

Medicare's Facility Affiliation Data lists Thomas J. Abbenante at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031
• Saint Mary's HospitalWaterbury, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070016

Practice locations

Addresses where Thomas J. Abbenante is enrolled with Medicare (CMS data updated October 2, 2026).

• 220 Chestnut GrvGuilford, CT 06437 (203) 376‑6886
• 3190 Whitney Ave, Bldg 6Hamden, CT 06518 (203) 245‑0412
• 56 Franklin StWaterbury, CT 06706 (203) 709‑6000

Group practices

Medicare enrollment lists Thomas J. Abbenante as a member of these groups (CMS data updated October 2, 2026).

• Trinity Health of New England Provider Network Organization Inc653 clinicians in the group
• Waterstone Counseling Center LLC10 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Guilford

Clinicians with the same Medicare primary specialty in Guilford, CT — not a recommendation.

• Mary J. Scheimann, MD
• Zahraa Ibrahem
• Fraser Lawrence, MD
• Jennifer Rockfeld, MD
• Hayden Pacl
• Gregory K. Mulvey, MD
• Charles Glass, MD
• Monica M. Munteanu, MD

All internal medicine doctors in Guilford →

Other clinicians in Trinity Health of New England Provider Network Organization Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Rachel Lamonica, DO
• Claire Aurilio, PA
• John Testa
• Shannon C. Peterson, DO
• Robin F. McCormack, NP
• Michael Grey, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians