Phone 203-792-0400 l Fax 203-792-0404


Donald Ammerman, M.D.

Dr. Ammerman joined CPC Associates in 2009 upon completion of Postdoctoral training in Psychiatry at Dartmouth Hitchcock Medical Center. He is a graduate of the University of Connecticut School of Medicine. He is licensed to provide psychiatric services in VT and CT.

Dr. Ammerman has done research on infectious diseases and co-morbidities and etiologies in mental illness and on the genomics and proteomics of psychiatric illness. He has been an instructor of medical students at Dartmouth College and Medical Director of the Clara Martin Center Criminal Justice Weekend/DWI Program at the White River Junction VA Hospital. His experience includes specialty work with college-age students and patients with addictions.

Dr. Ammerman establishes a strong working relationship with his patients, providing a framework for treatment that includes medication management and psychotherapy. His work encompasses the full range of psychiatric modalities, some of which include anxiety, dependencies, depression, mood disorders, OCD, panic, and stress.

Jessica Chaudhary, M.D.

Dr. Jessica Chaudhary is a Board Certified psychiatrist and a diplomate of the American Board of Psychiatry and Neurology. She completed her undergraduate studies at Wellesley College with Honors. Being a Seattle native, she returned to medical school at the University of Washington School of Medicine and then completed her residency in psychiatry at Yale University. Currently, she is also pursuing a fellowship in psychosomatic medicine at Harvard Medical School, where she is gaining special expertise in treating co-morbid complex medical conditions and psychiatric disorders. Dr. Chaudhary has been a health policy fellow at the State Department in Washington, D.C., where she was involved in influencing national mental health policy, and has published about her fellowship experiences.

In addition to her private practice at CPC, she is on staff at Yale New Haven Hospital and Waterbury Hospital, and is a member of the American Psychiatric Association and the Academy of Psychosomatic Medicine. She has treated patients with anxiety disorders, depression, bipolar disorder, obsessive compulsive disorder, eating disorders, and substance disorders. Currently, she is co-authoring a book chapter on endocrine disorders and psychiatric disease.

Dr. Chaudhary is fluent in both the psychopharmacologic and psychotherapeutic approaches to co-morbid psychiatric and medical conditions. She is also interested in medical ethics and ensuring mental health care is as accessible as physical health care. She has unrestricted licenses to practice medicine in Connecticut and Massachusetts.

Anton Fry, M.D.

Dr. Anton Fry is a Board Certified psychiatrist and the founder of CPC Associates, Inc. Dr. Fry received his medical degree from the Faculty of Medicine University of Ceylon in Sri Lanka. After moving to the United States, Dr. Fry did a rotating internship at Fordham Hospital (Bronx, NY) followed by psychiatric residencies at Fairfield Hills Hospital (Newtown, CT), Yale University (New Haven, CT) and Stamford Hospital (Stamford, CT).

Dr. Fry was Chief resident and Staff Psychiatrist at Fairfield Hills State Hospital and a Psychiatric Consultant at Danbury Hospital and Bridgeport Mental Health Center as well as Medical Director of Methadone Program for the City of Bridgeport, CT.

"One of the Best Doctors in Connecticut" by Connecticut Magazine and has been peer-voted one of America's Top Psychiatrists", "America's best Doctors" and "America's Top Doctors" several times in the past 10 years.

Allison Hayes, APRN

Allison Hayes is a Board Certified Psychiatric Mental Health Nurse Practitioner, with full prescriptive authority. Allison worked at Yale New Haven Hospital on an adolescent psychiatric unit and at Center for Discovery, a residential eating disorder facility for women. Allison’s various work experience, clinical rotations, and education had her working with children, adolescents, and adults with various arrays of mental health issues.

She completed her undergraduate studies at The University of Scranton where she received a Bachelors of Science in Nursing. She began her nursing career working in the Pediatric Intensive Care Unit. It was during this time, through her interactions with patients, that she saw the effects mental health can have on physical health and vice versa. A need for mental health providers was apparent and led her to continue her education, earning her Masters of Science from Fairfield University.

Her nursing background is unique in her approach to patient care, treating the patient in a holistic manner and understanding the significance mental health has on all aspects of life.

Jessica McGroarty, APRN

Jessica McGroarty is a Board Certified Psychiatric Mental Health Nurse Practitioner, with a Masters of Science in psychiatric nursing from Fairfield University; she has full prescriptive authority. After earning her Bachelor of Arts degree in psychology from The University of Iowa, Jessica went on to become a registered nurse studying at St. Vincent’s College.

Prior to joining CPC Jessica worked as a registered nurse at St. Vincent’s Medical Center on the adult inpatient psychiatric unit, where she was also head nurse of electro-convulsive therapy procedures. Additionally, she worked at Bridgeport Hospital on the adult and geriatric inpatient psychiatric units, and in the emergency crisis department. While pursuing her MS, she had the opportunity to provide services at The Reach Program in Stratford, where she worked with children and adolescents, and Life Bridge Community Center in Bridgeport, working with adults.

Jessica is dedicated to getting to know her patients to ensure they are receiving comprehensive and compassionate care.

L. Munnangi, MD

Dr. Munnangi is a board certified psychiatrist graduated from Icahn School of Medicine at Mount Sinai. She graduated from NTR university of Health Sciences, India. Her expertise is the application of an integrative approach in diagnoses, including clinical and medical aspects. She is also certified in psychotherapy with psychodynamic approach.

Dr. Munnangi is licensed to provide services in New York and Connecticut. She received an excellence award in teaching medical students from Albert Einstein college of Medicine. She also has experience in research where she focuses on comorbid medical illnesses contributing to mental illness.

She is a diplomate of American Board of Psychiatry and Neurology and is a member of the American Psychiatric Association. She is also the early career representative for the Mid-Hudson Psychiatric Society. Her interests include promoting wellness and promoting the importance of striking a work-life balance.

Ellen Sollazzo, APRN

Ellen Sollazzo is a board certified Advance Practice Nurse in Adult Psychiatric-Mental Health Nursing, with full prescriptive authority. As a former pediatric nurse, she felt moved by the profound impact psychosocial issues had upon the health of patients and their families. After working in pediatric nursing for several years, she began her psychiatric nursing career in 1995 at the Medical University of South Carolina, Institute of Psychiatry.

Ellen was graduated from the University of South Carolina with a Bachelor of Science in Nursing and proceeded on in her studies to earn a Master of Science in Psychiatric-Mental Health Nursing. While completing her graduate work, she was inducted into Sigma Theta Tau International Honor Society of Nursing. She is a former Assistant Professor of Psychiatric Mental-Health Nursing, as well as a former Assistant Professor of Pediatric Nursing.

As a Clinical Nurse Specialist in Adult Psychiatry, she is a trained nurse psychotherapist who applies an eclectic theoretical framework to practice while conveying a compassionate, caring approach to her clients. She ascribes to the viewpoint that each of her clients is a unique being with whom she partners in a therapeutic manner in order to enhance the client's quality of life, health management, and promotion of optimal health outcomes. She is dedicated to continuous learning in the specialty of psychiatric nursing and has a special interest in psychopharmacology and complementary therapies. She feels impassioned by all issues impacting the field of psychiatric practice, including psychiatric research and evidenced-based practice.