Internal Medicine Doctors in Connecticut
Data updated monthly · Last refresh October 2026
2,598 Internal Medicine providers practice in Connecticut, including 544 (21%) offering telehealth. The largest concentration is in New Haven. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
2,598providers
544telehealth
New Haventop city
Internal Medicine by city in Connecticut
Choose a city to see providers there.
Where Internal Medicine Doctors in Connecticut practice
From CMS Medicare enrollment records covering 1,490 of the 2,598 providers listed here (57%). Providers who do not bill Medicare are not included in these figures.
15%solo or small practice (under 10 clinicians)
8%mid-size group (10 to 99)
77%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Internal Medicine Doctors | All clinicians in group | Main city |
| Northeast Medical Group Inc. | 207 | 1,357 | New Haven |
| Hartford Healthcare Medical Group Specialists PLLC | 138 | 1,555 | Hartford |
| Nuvance Health Medical Practice Ct Inc. | 99 | 742 | Danbury |
| Rehabilitation Associates Inc. | 89 | 525 | Fairfield |
| Yale University | 86 | 2,632 | New Haven |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Internal Medicine Doctors affiliated |
| Yale-New Haven Hospital | New Haven | Nonprofit | 5 of 5 | 380 |
| Bridgeport Hospital | Bridgeport | Nonprofit | 4 of 5 | 215 |
| Hartford Hospital | Hartford | Nonprofit | 4 of 5 | 187 |
| Griffin Hospital | Derby | Nonprofit | 4 of 5 | 182 |
| Danbury Hospital | Danbury | Nonprofit | 4 of 5 | 154 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Internal Medicine providers in Connecticut
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Karen Cusano, A.P.R.N.Amston, CT · No drug or device payments recorded (2025) ·
(860) 228-9463 Dr. Rozann Venti, MDAmston, CT · No drug or device payments recorded (2025) ·
(860) 228-9463 Dr. Aisha Khan, MDAnsonia, CT · $580 in drug and device payments (2025) · Telehealth ·
(203) 308-2781 Dr. Bruce Brennan, MDAnsonia, CT · $1,345 in drug and device payments (2025) ·
(203) 734-7100 Dr. David Marks, M.D.Ansonia, CT · $573 in drug and device payments (2025) ·
(203) 308-2781 Dr. Ian Schein, MDAnsonia, CT · No drug or device payments recorded (2025) ·
(203) 503-3570 Dr. Joel Zaretzky, M.D.Ansonia, CT · No drug or device payments recorded (2025) ·
(203) 735-5444 Dr. Jonathan Simon, M.D.Ansonia, CT · $202 in drug and device payments (2025) · Telehealth ·
(203) 736-9919 Dr. Unknown Bilori, M.D.Ansonia, CT · $1,028 in drug and device payments (2025) · Telehealth ·
(203) 308-2781 Dr. Charles Bizilj, MDAshford, CT · No drug or device payments recorded (2025) ·
(860) 477-1267 Dr. Chi Kim, MDAvon, CT · No drug or device payments recorded (2025) ·
(860) 284-5111 Dr. Evan Schiff, MDAvon, CT · No drug or device payments recorded (2025) · Telehealth ·
(860) 677-5533 Dr. Ingrid Grafals, MDAvon, CT · $1,966 in drug and device payments (2025) · Telehealth ·
(860) 677-2668 Dr. Isis Sacramento Ferreira, M.D.Avon, CT · No drug or device payments recorded (2025) ·
(860) 674-9686 Dr. Joyce Justin, M.D.Avon, CT · No drug or device payments recorded (2025) ·
(860) 676-4820 Dr. Lalarukh Mufti, M.D.Avon, CT · No drug or device payments recorded (2025) · Telehealth ·
(860) 673-3737 Dr. Lisa Gronski, D.O.Avon, CT · No drug or device payments recorded (2025) ·
(860) 696-2150 Dr. Marie Dam, MDAvon, CT · No drug or device payments recorded (2025) · Telehealth ·
(860) 921-3345 Dr. Ralph Rosenberg, MDAvon, CT · No drug or device payments recorded (2025) ·
(860) 677-5533 Dr. Ramkumar Sankaran, MDAvon, CT · No drug or device payments recorded (2025) ·
(860) 696-2150 Dr. Rene Lerer, M.D.Avon, CT · No drug or device payments recorded (2025) ·
(860) 673-8702 Dr. Ronald Buonomano, MDAvon, CT · No drug or device payments recorded (2025) ·
(860) 676-4820 Dr. Sandra Quintero, M.D.Avon, CT · No drug or device payments recorded (2025) · Telehealth ·
(860) 284-5111 Dr. Wayne Chen, MDAvon, CT · $1,764 in drug and device payments (2025) · Telehealth ·
(860) 674-8830 Dr. Bindu Dey, MDBeacon Falls, CT · $46 in drug and device payments (2025) · Telehealth ·
(203) 881-2757 Dr. Sudipta Dey, M.D.Beacon Falls, CT · $46 in drug and device payments (2025) · Telehealth ·
(203) 881-2757 Dr. Neil Palker, M.D.Berlin, CT · No drug or device payments recorded (2025) ·
(860) 759-2801 Dr. Othman El-alami, M.D. Dr. William Fischer, M.D.Bethany, CT · No drug or device payments recorded (2025) ·
(203) 393-3464 Dr. Emmet Ferriter, M.D.Bethel, CT · No drug or device payments recorded (2025) · Telehealth ·
(203) 791-2221 Dr. James Finnerty, M.D.Bethel, CT · No drug or device payments recorded (2025) ·
(203) 791-2221 Dr. Michelle Foye, MDBethel, CT · No drug or device payments recorded (2025) · Telehealth ·
(203) 791-2221 Dr. Robert Wenick, M.D.Bethel, CT · No drug or device payments recorded (2025) ·
(203) 791-2221 Dr. Sean Mcgrade, M.D.Bethel, CT · $62 in drug and device payments (2025) · Telehealth ·
(203) 791-2221 Dr. Akwasi Arhin, MDBloomfield, CT · No drug or device payments recorded (2025) ·
(520) 417-4599 Dr. Alona Kantorovich, MDBloomfield, CT · No drug or device payments recorded (2025) · Telehealth ·
(860) 242-1983 Dr. Arzu Demirci, M.D.Bloomfield, CT · No drug or device payments recorded (2025) · Telehealth ·
(860) 243-9534 Dr. Barbara Padilla, MDBloomfield, CT · $146 in drug and device payments (2025) · Telehealth ·
(860) 243-9534 Dr. Bechara Barrak, MDBloomfield, CT · $3,358 in drug and device payments (2025) · Telehealth ·
(860) 530-2014 Dr. Donald Maxwell, MDBloomfield, CT · $18 in drug and device payments (2025) ·
(860) 242-0034 Dr. Edwin Fierer, MDBloomfield, CT · No drug or device payments recorded (2025) ·
(860) 243-8709 Dr. Eileen Comia, MDBloomfield, CT · $100 in drug and device payments (2025) ·
(860) 242-2200 Dr. Elizabeth Evans, M.D.Bloomfield, CT · No drug or device payments recorded (2025) ·
(860) 243-3352 Dr. Eric Goldberg, DOBloomfield, CT · $18 in drug and device payments (2025) ·
(860) 242-3933 Dr. Gary Cohen, MDBloomfield, CT · $910 in drug and device payments (2025) ·
(860) 243-8709 Dr. Gilberto Ramirez, MDBloomfield, CT · $1,707 in drug and device payments (2025) ·
(860) 242-3933 Dr. Herbert Keating, MDBloomfield, CT · No drug or device payments recorded (2025) · Telehealth ·
(860) 242-6297 Conditions Internal Medicine providers in Connecticut commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Connecticut?There are 2,598 Internal Medicine providers with active NPI records practicing in Connecticut, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Connecticut offer telehealth?Yes. 544 of the 2,598 Internal Medicine providers in Connecticut (about 21%) report offering telehealth services in CMS data.
Which cities in Connecticut have the most Internal Medicine providers?New Haven (326), Hartford (167), Stamford (133) have the highest concentration of Internal Medicine providers in Connecticut.
How many Internal Medicine providers in Connecticut received drug or device company payments?760 of 2,598 Internal Medicine providers in Connecticut (29%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Connecticut treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Internal Medicine Doctors in Connecticut work in independent practices or large health systems?Among 1,490 Internal Medicine Doctors in Connecticut enrolled in Medicare, 15% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 77% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Connecticut work at?According to CMS facility affiliation records, the Connecticut hospitals where the most Internal Medicine Doctors hold privileges are Yale-New Haven Hospital in New Haven; Bridgeport Hospital in Bridgeport; Hartford Hospital in Hartford.
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