About Us
Allergy and Asthma Associates has been providing state of the art Allergy,
Asthma, and Clinical Immunology care for over 40 years.
About Us
Allergy and Asthma Associates has been providing state of the art Allergy, Asthma, and Clinical Immunology care for over 40 yrs. Dr. Sheva K. Chervinskiy is Board Certified in Pediatrics. Drs. Mark Lazarovich and Olga Hardin are Board Certified in Internal Medicine.
Our physicians have sub-specialized in the area of Pediatric and Adult Allergy, Asthma, and Clinical Immunology and are certified by the American Board of Allergy and Immunology. Our physicians are also associated with the University of Vermont Medical Center and the Larner College of Medicine at The University of Vermont.
Frequently, medical students and resident physicians will be in our office. This is part of the allergy education program at the Larner College of Medicine at The University of Vermont. All clinical personnel employed in this office have undergone training and attended lectures in allergy; and participate in continuing medical education programs.

Mark Lazarovich, M.D, ABAI
Dr. Lazarovich is an alumnus of McGill University. He received his M.Sc. in Physiology from McGill University. He received his Medical Degree from the University of Liege in 1987. Dr. Lazarovich performed his residency training in Internal Medicine at Yale/Bridgeport Hospital from 1988-1991. He did one year of post-Doctoral research at the University of Liege in 1991. Dr. Lazarovich received his Allergy, Asthma, and Immunology Fellowship training at SUNY at Stony Brook in 1993. He is board certified in internal medicine and allergy and immunology. Dr. Lazarovich joined the practice in 2000.

Olga Hardin, M.D, ABAI
Dr. Hardin is an alumnus of Rutgers University. She received her Medical Degree from The University of Arkansas for Medical Sciences, College of Medicine in 2014. She performed her residency training in Internal Medicine at the University of Arkansas for Medical Sciences from 2014-2017. She received her Allergy, Asthma, and Immunology Fellowship training at Duke University Medical Center from 2018-2020. She is board certified in internal medicine and allergy and immunology. Dr. Hardin practiced in Maryland before joining Timber Lane Allergy and Asthma Associates in 2021. She enjoys spending time with her kids, cooking, traveling, exploring local parks and cultural events.

Sheva Chervinskiy, D.O, ABAI
Dr. Chervinskiy is an alumnus of The University of North Texas where she received a Master’s Degree in Biology. She received her Doctor of Osteopathic Medicine degree from The University of North Texas in 2010. She performed her residency training in Pediatric Medicine at the University of Arkansas for Medical Sciences from 2010-2013. She received her Allergy, Asthma, and Immunology Fellowship training at The University of North Carolina Chapel Hill from 2013-2015. She is board certified in both pediatrics and allergy and immunology. Dr. Chervinskiy provided clinical care in an academic setting at Arkansas Children’s Hospital and University of Arkansas Medical Sciences for many years prior to joining Timber Lane Allergy and Asthma Associates in 2022. She enjoys spending her free time with her family and exploring Vermont.

Practice Manager-Taylor Marthers

Clinical Manager- Elizabeth Vala

Business Office Supervisor/Billing Specialist – Jennifer
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