Hematologists and Oncologists in Connecticut
Data updated monthly · Last refresh October 2026
198 Hematology & Oncology providers practice in Connecticut, including 93 (47%) 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.
198providers
93telehealth
New Haventop city
Hematology & Oncology by city in Connecticut
Choose a city to see providers there.
Where Hematologists and Oncologists in Connecticut practice
From CMS Medicare enrollment records covering 121 of the 198 providers listed here (61%). Providers who do not bill Medicare are not included in these figures.
7%solo or small practice (under 10 clinicians)
4%mid-size group (10 to 99)
88%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Hematologists and Oncologists | All clinicians in group | Main city |
| Yale University | 38 | 2,632 | New Haven |
| Hartford Hospital | 14 | 1,040 | Hartford |
| Hartford Healthcare Medical Group Specialists PLLC | 10 | 1,555 | Bridgeport |
| Nuvance Health Medical Practice Ct Inc. | 10 | 742 | Danbury |
| The Hospital of Central Connecticut at New Britain General and Bradley | 10 | 396 | New Britain |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Hematologists and Oncologists affiliated |
| Yale-New Haven Hospital | New Haven | Nonprofit | 5 of 5 | 45 |
| Hartford Hospital | Hartford | Nonprofit | 4 of 5 | 31 |
| Bridgeport Hospital | Bridgeport | Nonprofit | 4 of 5 | 25 |
| Greenwich Hospital Association - | Greenwich | Nonprofit | 5 of 5 | 19 |
| The Hospital of Central Connecticut | New Britain | Nonprofit | 2 of 5 | 16 |
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.
Hematology & Oncology 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. Patricia Defusco, MDAvon, CT · No drug or device payments recorded (2025) · Telehealth ·
(860) 674-0088 Dr. Amy Gates, MDBridgeport, CT · $17 in drug and device payments (2025) ·
(203) 384-3000 Dr. Driola BrahajBristol, CT · $189 in drug and device payments (2025) ·
(860) 585-3000 Dr. Jane Kanowitz, MDBristol, CT · $148 in drug and device payments (2025) ·
(860) 585-3400 Dr. Robert Black, M.D.Bristol, CT · $302 in drug and device payments (2025) ·
(860) 585-3400 Dr. Eric Ma, M.D.Danbury, CT · $4,425 in drug and device payments (2025) · Telehealth ·
(203) 739-7000 Dr. John Pezzimenti, M.D.Danbury, CT · No drug or device payments recorded (2025) ·
(203) 797-7029 Dr. Katherine Garcia, M.DDanbury, CT · $1,222 in drug and device payments (2025) · Telehealth ·
(203) 739-7029 Dr. Kevin Jain, M.D.Danbury, CT · $3,687 in drug and device payments (2025) ·
(203) 739-7029 Dr. Martin Abrams, M.D.Danbury, CT · No drug or device payments recorded (2025) ·
(203) 739-7029 Dr. Michael Cohenuram, M.D.Danbury, CT · $15 in drug and device payments (2025) · Telehealth ·
(203) 797-7742 Dr. Pooja Motwani, MDDanbury, CT · $7,203 in drug and device payments (2025) · Telehealth ·
(203) 739-7000 Dr. Ravneet Bajwa, MDDanbury, CT · $1,298 in drug and device payments (2025) · Telehealth ·
(203) 739-7029 Dr. Robert Cooper, M.D.Danbury, CT · No drug or device payments recorded (2025) ·
(203) 739-7029 Dr. Robert Kloss, M.D.Danbury, CT · $1,845 in drug and device payments (2025) ·
(203) 797-7029 Dr. Wenli Gao, M.D.Danbury, CT · $1,750 in drug and device payments (2025) · Telehealth ·
(203) 739-7029 Dr. Joseph Donadio, M.D.Durham, CT · No drug or device payments recorded (2025) ·
(860) 349-9955 Dr. Dennis Morgan, MDEnfield, CT · No drug or device payments recorded (2025) ·
(860) 763-4027 Dr. Jaykumar Thumar, MD, MBBSEnfield, CT · $8,152 in drug and device payments (2025) · Telehealth ·
(860) 272-2911 Dr. Daniel Reuben, MDFairfield, CT · $2,591 in drug and device payments (2025) ·
(203) 255-4545 Dr. Edward Duda, MDFairfield, CT · $1,161 in drug and device payments (2025) · Telehealth ·
(203) 255-4545 Dr. Glen Reznikoff, M.D.Fairfield, CT · $5,960 in drug and device payments (2025) · Telehealth ·
(203) 255-4545 Dr. Hervey Weitzman, MDFairfield, CT · No drug or device payments recorded (2025) ·
(203) 365-6473 Dr. Paul Berard, MDFairfield, CT · $1,167 in drug and device payments (2025) · Telehealth ·
(203) 255-4545 Dr. Sandhya Dhanjal, MDFairfield, CT · $799 in drug and device payments (2025) · Telehealth ·
(203) 255-4545 Dr. Aakash Desai, MBBSFarmington, CT · $11,675 in drug and device payments (2025) · Telehealth ·
(860) 714-4532 Dr. Anurag Sharma, M.D.Farmington, CT · $88 in drug and device payments (2025) · Telehealth ·
(860) 679-2000 Dr. Arvind Kamthan, MDFarmington, CT · $268 in drug and device payments (2025) ·
(860) 679-2100 Dr. Biree Andemariam, MDFarmington, CT · $147,341 in drug and device payments (2025) ·
(860) 679-2100 Dr. Daniel Morganstern, MDFarmington, CT · $1,027 in drug and device payments (2025) · Telehealth ·
(860) 679-2100 Dr. Edward PerryFarmington, CT · No drug or device payments recorded (2025) ·
(860) 679-2100 Dr. Jeffrey Wasser, M.D.Farmington, CT · No drug or device payments recorded (2025) ·
(860) 679-2100 Dr. Jennifer Tirnauer, M.D.Farmington, CT · No drug or device payments recorded (2025) ·
(860) 679-3728 Dr. Neiha Kidwai, DOFarmington, CT · No drug or device payments recorded (2025) ·
(860) 679-2147 Dr. Oladipo Cole, MDFarmington, CT · $36,095 in drug and device payments (2025) ·
(860) 679-2100 Dr. Ritika Vankina, M.D.Farmington, CT · No drug or device payments recorded (2025) · Telehealth ·
(860) 679-2000 Dr. Robert Bona, MDFarmington, CT · $1,725 in drug and device payments (2025) ·
(860) 679-2100 Dr. Sara Dost, M.D.Farmington, CT · $367 in drug and device payments (2025) · Telehealth ·
(860) 679-2000 Dr. Susan Tannenbaum, MDFarmington, CT · No drug or device payments recorded (2025) ·
(860) 679-2100 Dr. Swarup Kumar, M.D.Farmington, CT · $9,427 in drug and device payments (2025) · Telehealth ·
(860) 679-2100 Dr. Upendra Hegde, MDFarmington, CT · No drug or device payments recorded (2025) ·
(860) 679-2100 Dr. Victor Moyo, MDFarmington, CT · No drug or device payments recorded (2025) ·
(860) 679-2100 Dr. Vimala Thalody, MDFarmington, CT · No drug or device payments recorded (2025) ·
(860) 679-2255 Dr. William Baker, M.D.Farmington, CT · No drug or device payments recorded (2025) ·
(860) 679-2100 Dr. Yueming Chang, M.D/PH.DFarmington, CT · No drug or device payments recorded (2025) ·
(614) 256-3215 Dr. Donald Boyd, M.D.Greenwich, CT · No drug or device payments recorded (2025) · Telehealth ·
(203) 869-2111 Dr. Elan Gorshein, DO, JD, MPHGuilford, CT · $186 in drug and device payments (2025) · Telehealth ·
(203) 453-9192 Dr. Kay Haedicke, MDGuilford, CT · No drug or device payments recorded (2025) ·
(203) 453-9192 Dr. Wajih Kidwai, MDGuilford, CT · No drug or device payments recorded (2025) · Telehealth ·
(203) 453-9192 Conditions Hematology & Oncology providers in Connecticut commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.
- Breast cancer
- Lung cancer
- Lymphoma
- Leukemia
- Anemia
- Blood disorders
Common questions
How many Hematology & Oncology providers are in Connecticut?There are 198 Hematology & Oncology providers with active NPI records practicing in Connecticut, according to federal NPPES data refreshed monthly.
Do Hematology & Oncology providers in Connecticut offer telehealth?Yes. 93 of the 198 Hematology & Oncology providers in Connecticut (about 47%) report offering telehealth services in CMS data.
Which cities in Connecticut have the most Hematology & Oncology providers?New Haven (39), Hartford (26), Farmington (20) have the highest concentration of Hematology & Oncology providers in Connecticut.
How many Hematology & Oncology providers in Connecticut received drug or device company payments?100 of 198 Hematology & Oncology providers in Connecticut (51%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Hematology & Oncology providers in Connecticut treat?Hematology & Oncology providers commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia 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 Hematologists and Oncologists in Connecticut work in independent practices or large health systems?Among 121 Hematologists and Oncologists in Connecticut enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 4% through a mid-size group of 10 to 99, and 88% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists and Oncologists in Connecticut work at?According to CMS facility affiliation records, the Connecticut hospitals where the most Hematologists and Oncologists hold privileges are Yale-New Haven Hospital in New Haven; Hartford Hospital in Hartford; Bridgeport Hospital in Bridgeport.
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