Mohammed Yosufzai, MD
Internist
506 Cromwell Avenue
Rocky Hill, CT 06067
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Availability last updated 02/26/2026
Mohammed Yosufzai, MD
Internist
506 Cromwell Avenue
Rocky Hill, CT 06067
Margaret I. Chustecki, MD, MBA, is a skilled internist at Internal Medicine of Greater New Haven in Hamden, West Haven, and Milford, Connecticut. She is also an assistant clinical professor at Yale School of Medicine.
Born in Warsaw, Poland, and educated at Warsaw Medical School, Dr. Chustecki completed her internship and residency at Newton Wellesley Hospital and New England Medical Center in Massachusetts. Before joining Yale University as a clinical instructor, Dr. Chustecki started Internal Medicine of Greater New Haven in 2003.
Since then, the practice has flourished, boasting some of the best internists and providers in the United States. Dr. Chustecki maintains patients at the practice while teaching at Yale School of Medicine. She supervises up-and-coming medical professionals while educating them on the benefits of efficient health care.
Dr. Chustecki remains active in research, and has contributed to over 55 medical publications. She co-founded Chase Medical Research of Greater New Haven in 2015, and serves as the chief clinical trial investigator.
Margaret Chustecki, MD
Internist
1952 Whitney Ave
3rd Floor
Hamden, CT 06517
Margaret I. Chustecki, MD, MBA, is a skilled internist at Internal Medicine of Greater New Haven in Hamden, West Haven, and Milford, Connecticut. She is also an assistant clinical professor at Yale School of Medicine.
Born in Warsaw, Poland, and educated at Warsaw Medical School, Dr. Chustecki completed her internship and residency at Newton Wellesley Hospital and New England Medical Center in Massachusetts. Before joining Yale University as a clinical instructor, Dr. Chustecki started Internal Medicine of Greater New Haven in 2003.
Since then, the practice has flourished, boasting some of the best internists and providers in the United States. Dr. Chustecki maintains patients at the practice while teaching at Yale School of Medicine. She supervises up-and-coming medical professionals while educating them on the benefits of efficient health care.
Dr. Chustecki remains active in research, and has contributed to over 55 medical publications. She co-founded Chase Medical Research of Greater New Haven in 2015, and serves as the chief clinical trial investigator.
Margaret Chustecki, MD
Internist
98 Elm Street
West Haven, CT 06516
Morris Papernik, MD, FACP, is an experienced physician serving patients at Internal Medicine of Greater New Haven in the West Haven and Stratford, Connecticut, office.
A native New Yorker, Dr. Papernik graduated from Rush Medical College in Chicago, Illinois. He completed his residency in internal medicine at Rush and is a fellow of the American College of Physicians.
He has distinguished himself as a national thought leader in chronic fatigue syndrome, fibromyalgia, migraine headaches, diabetes, hypertension, and hyperlipidemia. Dr. Papernik has served on the Medical Presidential Advisory Committee to President Bush and Obama within the Department of Health and Human Services in Washington, DC.
Upon moving to Connecticut to be closer to family in 2008, he brought his expertise to Connecticut and now to Internal Medicine of Greater New Haven. Dr. Papernik has received numerous teaching awards and the Primary Care Leadership Award from the Connecticut Center for Primary Care. He has given multiple TV, radio, and newspaper interviews nationally.
Dr. Papernik enjoys teaching medical and nurse practitioner students from Yale, UConn, and
Netter School of Medicine. He also likes spending his free time with family and enjoys photography.
Morris Papernik, MD
Internist
98 Elm Street
West Haven, CT 06516
Zhenxiang Liu, MD
Internist
12 Case Street
305
Norwich, CT 06360
Mackenzie is passionate about meeting you where you are. She is dedicated to utilizing a strengths-based, client centered approach to support you in identifying and working towards your goals. Mackenzie is trained in Eye Movement Desensitization and Reprocessing (EMDR) therapy and utilizes the treatment approaches of dialectical behavioral therapy (DBT), cognitive-behavioral therapy (CBT), motivational interviewing (MI), and play or art therapy techniques.
In her free time, Mackenzie enjoys going on walks with her dog, spending quality time with family or friends, and baking.
Mackenzie offers:
Mackenzie Porcello, LCSW
Social Worker
151 E. High St.
East Hampton, CT 06424
Mackenzie is passionate about meeting you where you are. She is dedicated to utilizing a strengths-based, client centered approach to support you in identifying and working towards your goals. Mackenzie is trained in Eye Movement Desensitization and Reprocessing (EMDR) therapy and utilizes the treatment approaches of dialectical behavioral therapy (DBT), cognitive-behavioral therapy (CBT), motivational interviewing (MI), and play or art therapy techniques.
In her free time, Mackenzie enjoys going on walks with her dog, spending quality time with family or friends, and baking.
Mackenzie offers:
Mackenzie Porcello, LCSW
Social Worker
70 Essex Road
Westbrook, CT 06498
Mackenzie is passionate about meeting you where you are. She is dedicated to utilizing a strengths-based, client centered approach to support you in identifying and working towards your goals. Mackenzie is trained in Eye Movement Desensitization and Reprocessing (EMDR) therapy and utilizes the treatment approaches of dialectical behavioral therapy (DBT), cognitive-behavioral therapy (CBT), motivational interviewing (MI), and play or art therapy techniques.
In her free time, Mackenzie enjoys going on walks with her dog, spending quality time with family or friends, and baking.
Mackenzie offers:
Mackenzie Porcello, LCSW
Social Worker
300 Hebron Ave.
Suite 203
Glastonbury, CT 06033
Dr. Vivian Huynh, DNP, AGNP-C
Internist
100 Market Sq
Ste 2
Newington, CT 06111
Sudhir Bhatnagar, MD
Internist
256 New Britain Avenue
Newington, CT 06111
Sudhir Bhatnagar, MD
Internist
One Liberty Square
New Britain, CT 06051
Sudhir Bhatnagar, MD
Internist
55 Grand Street
New Britain, CT 06050
Sudhir Bhatnagar, MD
Internist
100 Grand Street
New Britain, CT 06050
At Internal Medicine of Greater New Haven, the team of expert internal medicine doctors strives to help young adults, adults, and seniors of Cheshire, Guilford, Hamden, Milford, North Haven, Meriden, Wallingford, West Haven, and Stratford, Connecticut, and the surrounding area experience and maintain optimal health. The practice emphasizes disease screening, to enable early detection of problems before they create serious health emergencies. The doctors also provide care for acute conditions, ongoing chronic medical illnesses, and general physical examinations.
Our practice is affiliated with Yale-New Haven Hospital, so we can refer and coordinate care with world-renowned medical specialists when necessary. The practice has ultrasound and laboratory services available on-site, as well as spirometry to screen for asthma and Holter monitors to measure your heart’s activity. At Internal Medicine of Greater New Haven, you experience high-quality medical care unparalleled in the region. In 2014, the National Committee for Quality Assurance (NCQA) recognized the providers for delivering high-quality care to our patients with diabetes and heart disease. NCQA is known in the health care industry for having developed health care quality and cost-benchmarking systems.
Roman Khodzinsky, MD
Internist
546 S. Broad St
Suite 4A
Meriden, CT 06450