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Critical Care Doctors (Anesthesiology) in Connecticut

Data updated monthly · Last refresh October 2026

14 Critical Care Medicine (Anesthesiology) providers practice in Connecticut. 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.

14providers
New Haventop city

Critical Care Medicine (Anesthesiology) by city in Connecticut

Choose a city to see providers there.

Critical Care Medicine (Anesthesiology) in New Haven12 providers
Critical Care Medicine (Anesthesiology) in Hartford2 providers

Where Critical Care Doctors (Anesthesiology) in Connecticut practice

From CMS Medicare enrollment records covering 10 of the 14 providers listed here (71%). Providers who do not bill Medicare are not included in these figures.

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

Largest practice groups

Group (as registered with Medicare)Critical Care Doctors (Anesthesiology)All clinicians in groupMain city
Yale University82,632New Haven
Hartford Hospital21,040Hartford

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingCritical Care Doctors (Anesthesiology) affiliated
Yale-New Haven HospitalNew HavenNonprofit5 of 58
Bridgeport HospitalBridgeportNonprofit4 of 52
Hartford HospitalHartfordNonprofit4 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.

Critical Care Medicine (Anesthesiology) 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. Jordan Vorrie, D.O.
Hartford, CT · No drug or device payments recorded (2025) · (860) 545-5000
Dr. Lynn Pauls, MD
Hartford, CT · $59 in drug and device payments (2025) · (860) 545-5000
Dr. Andres De Lima Arboleda, MD
New Haven, CT · No drug or device payments recorded (2025) · (203) 785-2802
Dr. Andrew Notarianni, M.D.
New Haven, CT · $99 in drug and device payments (2025) · (203) 785-2802
Dr. Christopher Szabo, M.D.
New Haven, CT · $24 in drug and device payments (2025) · (203) 785-2802
Dr. David Kiamanesh, M.D.
New Haven, CT · No drug or device payments recorded (2025) · (203) 785-2802
Dr. Ghaith Abdulkarim, M.D.
New Haven, CT · $39 in drug and device payments (2025) · (203) 785-2802
Dr. Katherine Marschall, MD
New Haven, CT · No drug or device payments recorded (2025) · (203) 785-2140
Dr. Laura Niklason, MD
New Haven, CT · No drug or device payments recorded (2025) · (203) 785-2140
Dr. Nat Dumrongmongcolgul, MD
New Haven, CT · No drug or device payments recorded (2025) · (203) 688-4242
Dr. Nikhil Chawla, MD
New Haven, CT · No drug or device payments recorded (2025) · (203) 785-2802
Dr. Olof Viktorsdottir, MD, MBA
New Haven, CT · No drug or device payments recorded (2025) · (203) 785-2802
Dr. Tosanath Leepuengtham, M.D.
New Haven, CT · No drug or device payments recorded (2025) · (317) 503-0347
Dr. Yiyu Zhao, MD
New Haven, CT · No drug or device payments recorded (2025) · (203) 785-2802

Common questions

How many Critical Care Medicine (Anesthesiology) providers are in Connecticut?

There are 14 Critical Care Medicine (Anesthesiology) providers with active NPI records practicing in Connecticut, according to federal NPPES data refreshed monthly.

Which cities in Connecticut have the most Critical Care Medicine (Anesthesiology) providers?

New Haven (12), Hartford (2) have the highest concentration of Critical Care Medicine (Anesthesiology) 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 Critical Care Doctors (Anesthesiology) in Connecticut work in independent practices or large health systems?

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

Which hospitals do Critical Care Doctors (Anesthesiology) in Connecticut work at?

According to CMS facility affiliation records, the Connecticut hospitals where the most Critical Care Doctors (Anesthesiology) hold privileges are Yale-New Haven Hospital in New Haven; Bridgeport Hospital in Bridgeport; Hartford Hospital in Hartford.

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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 Critical Care Medicine (Anesthesiology) in Connecticut? Get featured.