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Sleep Medicine Doctors (Internal Medicine) in Connecticut

Data updated monthly · Last refresh October 2026

18 Sleep Medicine (Internal Medicine) providers practice in Connecticut, including 6 (33%) 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.

18providers
6telehealth
New Haventop city

Sleep Medicine (Internal Medicine) by city in Connecticut

Choose a city to see providers there.

Sleep Medicine (Internal Medicine) in New Haven5 providers
Sleep Medicine (Internal Medicine) in Farmington4 providers
Sleep Medicine (Internal Medicine) in North Haven2 providers
Sleep Medicine (Internal Medicine) in Danbury1 providers
Sleep Medicine (Internal Medicine) in Waterbury1 providers
Sleep Medicine (Internal Medicine) in Wallingford1 providers
Sleep Medicine (Internal Medicine) in Stamford1 providers
Sleep Medicine (Internal Medicine) in Hartford1 providers
Sleep Medicine (Internal Medicine) in Manchester1 providers
Sleep Medicine (Internal Medicine) in Middletown1 providers

Where Sleep Medicine Doctors (Internal Medicine) in Connecticut practice

From CMS Medicare enrollment records covering 12 of the 18 providers listed here (67%). Providers who do not bill Medicare are not included in these figures.

0%solo or small practice (under 10 clinicians)
8%mid-size group (10 to 99)
92%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)Sleep Medicine Doctors (Internal Medicine)All clinicians in groupMain city
Yale University52,632New Haven
University of Connecticut Health Center2624Farmington
Prospect Ct Medical Foundation Inc.2287Manchester
The Charlotte Hungerford Hospital2206Torrington

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingSleep Medicine Doctors (Internal Medicine) affiliated
Yale-New Haven HospitalNew HavenNonprofit5 of 55
Charlotte Hungerford HospitalTorringtonNonprofit3 of 52
John Dempsey Hospital of the University of ConnectFarmingtonGovernment3 of 52

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.

Sleep Medicine (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. Andrew Tucker, PHD
Danbury, CT · No drug or device payments recorded (2025) · (203) 739-7070
Dr. Daniel Mcnally, MD
Farmington, CT · No drug or device payments recorded (2025) · (860) 679-3343
Dr. James O'brien, M.D.
Farmington, CT · $24 in drug and device payments (2025) · (860) 284-4950
Dr. Jay Kenkare, MD
Farmington, CT · $117 in drug and device payments (2025) · (860) 837-6643
Dr. Mian Iftikhar, M.D.
Farmington, CT · $50 in drug and device payments (2025) · (860) 679-3958
Dr. Keith Dixon, M.D.
Hartford, CT · $340 in drug and device payments (2025) · (860) 837-5890
Dr. Richard Shoup, MD
Manchester, CT · No drug or device payments recorded (2025) · (860) 432-5600
Dr. Irina Petrenko, M.D.
Middletown, CT · $262 in drug and device payments (2025) · Telehealth · (860) 358-4615
Dr. Christine Won, M.D.
New Haven, CT · No drug or device payments recorded (2025) · Telehealth · (203) 764-6788
Dr. Janet Hilbert, M.D.
New Haven, CT · No drug or device payments recorded (2025) · (203) 785-4163
Dr. Melissa Knauert, MD
New Haven, CT · No drug or device payments recorded (2025) · (203) 287-3550
Dr. Monica Giraldo, MD
New Haven, CT · $1,278 in drug and device payments (2025) · Telehealth · (203) 287-3550
Dr. Yvonne Chu, M.D.
New Haven, CT · $200 in drug and device payments (2025) · (203) 288-8300
Dr. Parvati Singh, MD
North Haven, CT · $263 in drug and device payments (2025) · Telehealth · (203) 287-3550
Dr. Vivian Asare, M.D.
North Haven, CT · No drug or device payments recorded (2025) · Telehealth · (203) 287-3550
Dr. Karishma Bellara, PA
Stamford, CT · No drug or device payments recorded (2025) · (203) 348-2437
Dr. Meir Kryger, M.D.
Wallingford, CT · No drug or device payments recorded (2025) · (203) 284-2800
Dr. Gregory Colodner, MD
Waterbury, CT · $1,180 in drug and device payments (2025) · Telehealth · (203) 709-6000

Common questions

How many Sleep Medicine (Internal Medicine) providers are in Connecticut?

There are 18 Sleep Medicine (Internal Medicine) providers with active NPI records practicing in Connecticut, according to federal NPPES data refreshed monthly.

Do Sleep Medicine (Internal Medicine) providers in Connecticut offer telehealth?

Yes. 6 of the 18 Sleep Medicine (Internal Medicine) providers in Connecticut (about 33%) report offering telehealth services in CMS data.

Which cities in Connecticut have the most Sleep Medicine (Internal Medicine) providers?

New Haven (5), Farmington (4), North Haven (2) have the highest concentration of Sleep Medicine (Internal Medicine) providers in Connecticut.

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 Sleep Medicine Doctors (Internal Medicine) in Connecticut work in independent practices or large health systems?

Among 12 Sleep Medicine Doctors (Internal Medicine) in Connecticut enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 92% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Sleep Medicine Doctors (Internal Medicine) in Connecticut work at?

According to CMS facility affiliation records, the Connecticut hospitals where the most Sleep Medicine Doctors (Internal Medicine) hold privileges are Yale-New Haven Hospital in New Haven; Charlotte Hungerford Hospital in Torrington; John Dempsey Hospital of the University of Connect in Farmington.

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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 Sleep Medicine (Internal Medicine) in Connecticut? Get featured.