HealthcareDiscovery.AI / Doctors / Connecticut / Colon & Rectal Surgery

Colorectal Surgeons in Connecticut

Data updated monthly · Last refresh October 2026

54 Colon & Rectal Surgery providers practice in Connecticut, including 6 (11%) offering telehealth. The largest concentration is in Bloomfield. 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.

54providers
6telehealth
Bloomfieldtop city

Colon & Rectal Surgery by city in Connecticut

Choose a city to see providers there.

Colon & Rectal Surgery in Bloomfield11 providers
Colon & Rectal Surgery in Hartford7 providers
Colon & Rectal Surgery in New Haven6 providers
Colon & Rectal Surgery in Stamford5 providers
Colon & Rectal Surgery in Danbury3 providers
Colon & Rectal Surgery in New Britain3 providers
Colon & Rectal Surgery in Norwalk3 providers
Colon & Rectal Surgery in Fairfield3 providers
Colon & Rectal Surgery in Hamden2 providers
Colon & Rectal Surgery in Putnam2 providers
Colon & Rectal Surgery in Farmington1 providers
Colon & Rectal Surgery in Meriden1 providers
Colon & Rectal Surgery in Waterbury1 providers
Colon & Rectal Surgery in Bristol1 providers
Colon & Rectal Surgery in Derby1 providers
Colon & Rectal Surgery in Norwich1 providers
Colon & Rectal Surgery in Old Saybrook1 providers
Colon & Rectal Surgery in Plainville1 providers
Colon & Rectal Surgery in Bridgeport1 providers

Where Colorectal Surgeons in Connecticut practice

From CMS Medicare enrollment records covering 38 of the 54 providers listed here (70%). Providers who do not bill Medicare are not included in these figures.

13%solo or small practice (under 10 clinicians)
3%mid-size group (10 to 99)
84%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)Colorectal SurgeonsAll clinicians in groupMain city
Hartford Healthcare Medical Group Specialists PLLC131,555Hartford
Colon and Rectal Surgeons of Greater Hartford LLC69Bloomfield
Yale University52,632New Haven
Nuvance Health Medical Practice Ct Inc.4742Norwalk
Trinity Health of New England Provider Network Organization Inc.4644Hartford

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingColorectal Surgeons affiliated
Hartford HospitalHartfordNonprofit4 of 511
Manchester Memorial HospitalManchesterFor-profit4 of 56
St Francis Hospital & Medical CenterHartfordNonprofit2 of 56
Danbury HospitalDanburyNonprofit4 of 54
The Hospital of Central ConnecticutNew BritainNonprofit2 of 54

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.

Colon & Rectal Surgery 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. Amanda Ayers, M.D.
Bloomfield, CT · $23 in drug and device payments (2025) · Telehealth · (860) 242-8591
Dr. Andrew Raissis, M.D.
Bloomfield, CT · $118 in drug and device payments (2025) · (860) 242-8591
Dr. Daniel Mullins, M.D.
Bloomfield, CT · $323 in drug and device payments (2025) · (860) 242-8591
Dr. David Cherry, M.D.
Bloomfield, CT · No drug or device payments recorded (2025) · (860) 242-8591
Dr. David Walters, M.D.
Bloomfield, CT · No drug or device payments recorded (2025) · (860) 242-8591
Dr. Jonathan Chang
Bloomfield, CT · $1,130 in drug and device payments (2025) · (860) 242-8591
Dr. Rachel Scott, D.O.
Bloomfield, CT · $4,698 in drug and device payments (2025) · (860) 929-7974
Dr. Robert Lewis, M.D
Bloomfield, CT · $2,702 in drug and device payments (2025) · (860) 242-8591
Dr. Saumitra Banerjee, M.D.
Bloomfield, CT · No drug or device payments recorded (2025) · (860) 242-8591
Dr. Vanessa Baratta, M.D.
Bloomfield, CT · $47 in drug and device payments (2025) · (860) 242-8591
Dr. William Pennoyer, M.D.
Bloomfield, CT · No drug or device payments recorded (2025) · (860) 242-8591
Dr. Steven Hirshorn, M.D.
Bridgeport, CT · No drug or device payments recorded (2025) · (203) 331-8700
Dr. Jianliang Man, M.D.
Bristol, CT · $62 in drug and device payments (2025) · (860) 582-1220
Dr. John Monson, M.D.
Danbury, CT · $35,143 in drug and device payments (2025) · Telehealth · (203) 739-7000
Dr. Marc Casasanta, MD
Danbury, CT · $64 in drug and device payments (2025) · (203) 739-7131
Dr. Stuart Bussell, M.D.
Danbury, CT · $39 in drug and device payments (2025) · (203) 797-7131
Dr. Daniel Lavy, M.D.
Derby, CT · $465 in drug and device payments (2025) · Telehealth · (203) 732-3443
Dr. Andrea Marcus, M.D.
Fairfield, CT · $24 in drug and device payments (2025) · (475) 210-4727
Dr. Nicole Saur, M.D.
Fairfield, CT · $5,260 in drug and device payments (2025) · (475) 210-4851
Dr. Scott Thornton, MD
Fairfield, CT · No drug or device payments recorded (2025) · (203) 255-7088
Dr. Eric Girard, M.D.
Farmington, CT · $4,077 in drug and device payments (2025) · (860) 676-1110
Dr. John Aversa, D.O
Hamden, CT · $96 in drug and device payments (2025) · (203) 281-7000
Dr. Julia Zakhaleva, MD
Hamden, CT · $84 in drug and device payments (2025) · (203) 281-7000
Dr. Jeffrey Cohen, MD
Hartford, CT · No drug or device payments recorded (2025) · (860) 548-7336
Dr. Kayla Bassett, MD
Hartford, CT · $1,000 in drug and device payments (2025) · (860) 548-7336
Dr. Kristina Johnson, MD
Hartford, CT · No drug or device payments recorded (2025) · (860) 548-7336
Dr. Kristy Thurston, M.D.
Hartford, CT · $1,000 in drug and device payments (2025) · (860) 548-7336
Dr. Michael Hernon
Hartford, CT · $39 in drug and device payments (2025) · (860) 545-5000
Dr. Paul Vignati, MD
Hartford, CT · No drug or device payments recorded (2025) · (860) 548-7336
Dr. William Sardella, MD
Hartford, CT · No drug or device payments recorded (2025) · (860) 548-7336
Dr. Rafal Barczak, MD
Meriden, CT · $55 in drug and device payments (2025) · (203) 238-1241
Dr. Christina Czyrko, M.D.
New Britain, CT · $354 in drug and device payments (2025) · (860) 826-3880
Dr. Christine Bartus, MD
New Britain, CT · $1,368 in drug and device payments (2025) · (860) 229-8889
Dr. Maria Christina Mirth, M.D.
New Britain, CT · No drug or device payments recorded (2025) · (860) 826-3880
Dr. Anne Mongiu, MD, PHD
New Haven, CT · $4,228 in drug and device payments (2025) · Telehealth · (203) 785-2616
Dr. George Yavorek, MD
New Haven, CT · $6,134 in drug and device payments (2025) · (203) 776-4677
Dr. Haddon Pantel, M.D.
New Haven, CT · $9,471 in drug and device payments (2025) · Telehealth · (203) 785-2615
Dr. Hulda Einarsdottir, M.D.
New Haven, CT · No drug or device payments recorded (2025) · (203) 688-2259
Dr. Vikram Reddy, M.D., PH.D.
New Haven, CT · $53 in drug and device payments (2025) · Telehealth · (203) 785-2616
Dr. Walter Longo, MD
New Haven, CT · No drug or device payments recorded (2025) · (203) 785-4079
Dr. Brian Monahan, MD
Norwalk, CT · $1,160 in drug and device payments (2025) · (203) 852-2000
Dr. James Mcclane, M.D.
Norwalk, CT · No drug or device payments recorded (2025) · (203) 852-2262
Dr. Ryan Bendl, D.O.
Norwalk, CT · $3,424 in drug and device payments (2025) · (203) 852-2262
Dr. Sergio Casillas-romero, MD.
Norwich, CT · No drug or device payments recorded (2025) · (860) 204-9126
Dr. Maurizio Nichele
Old Saybrook, CT · No drug or device payments recorded (2025) · (860) 395-0554
Dr. Steven Brown, M.D.
Plainville, CT · $158 in drug and device payments (2025) · (860) 826-3880
Dr. Michael Baum, MD
Putnam, CT · $19 in drug and device payments (2025) · (860) 928-2552
Dr. R Mccallum, MD
Putnam, CT · $24 in drug and device payments (2025) · (860) 928-2552
Dr. Charles Littlejohn, MD
Stamford, CT · No drug or device payments recorded (2025) · (203) 323-8989
Dr. Marilee Freitas, M.D.
Stamford, CT · $156 in drug and device payments (2025) · (203) 323-8989

Common questions

How many Colon & Rectal Surgery providers are in Connecticut?

There are 54 Colon & Rectal Surgery providers with active NPI records practicing in Connecticut, according to federal NPPES data refreshed monthly.

Do Colon & Rectal Surgery providers in Connecticut offer telehealth?

Yes. 6 of the 54 Colon & Rectal Surgery providers in Connecticut (about 11%) report offering telehealth services in CMS data.

Which cities in Connecticut have the most Colon & Rectal Surgery providers?

Bloomfield (11), Hartford (7), New Haven (6) have the highest concentration of Colon & Rectal Surgery providers in Connecticut.

How many Colon & Rectal Surgery providers in Connecticut received drug or device company payments?

37 of 54 Colon & Rectal Surgery providers in Connecticut (69%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Colorectal Surgeons in Connecticut work in independent practices or large health systems?

Among 38 Colorectal Surgeons in Connecticut enrolled in Medicare, 13% bill through a solo or small practice with fewer than 10 clinicians, 3% through a mid-size group of 10 to 99, and 84% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Colorectal Surgeons in Connecticut work at?

According to CMS facility affiliation records, the Connecticut hospitals where the most Colorectal Surgeons hold privileges are Hartford Hospital in Hartford; Manchester Memorial Hospital in Manchester; St Francis Hospital & Medical Center in Hartford.

Related reading on HealthcareDiscovery.AI

Colon & Rectal Surgery in all 50 states Search all 54 in the directory Ask Zach for help choosing

Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Colon & Rectal Surgery in Connecticut? Get featured.