AAAM Welcome

Dr. Ivan Cardona joined Allergy and Asthma Associates of Maine, P.A. in 2006.  He received his medical degree from The University of Maryland and completed a pediatric internship and residency at St. Christopher's Hospital for Children in Philadelphia.  He went on to complete a three year pediatric and adult Allergy and Immunology fellowship at National Jewish Health hospital in Denver, Colorado, frequently voted #1 Respiratory Hospital in the U.S. by U.S. News & World Report.  While at National Jewish, he was fortunate to train under some of the leaders in the field, with a strong focus in both pediatric and adult allergic and immunologic diseases.  He has received national recognition for basic science research in atopic dermatitis (eczema), and has been voted by his peers as a "top doctor" in allergy and immunology in 2012, 2013, and 2015. His special interests include atopic dermatitis, food allergy, and asthma and he is bilingual in both Spanish and English.  Originally from Baltimore, Maryland, with family now in Maine, he is eager and excited to contribute to the health and well-being of the community.  He sees patients from newborn to 50 years of age.

Dr. Chilmonczyk

Dr. Barbara Chilmonczyk
has been a partner with Allergy and Asthma Associates since 1989. A graduate of Smith College, she attended the University of Cincinnati College of Medicine and graduated with highest honors. Dr. Chilmonczyk then went on to residency in Pediatrics at Maine Medical Center followed by a 3 year fellowship in Adult and Pediatric Allergy and Immunology at the National Jewish Hospital and Research Center. She was an award recipient and was on the teaching staff at the University of Colorado College of Medicine. Since returning to Maine she has been active in statewide initiatives to improve quality of care for patients with asthma, allergy, and chronic obstructive pulmonary disease. She is a former board member for the American Lung Association of Maine and former Director of Cellular Immunology at the Foundation for Blood Research. From 1993-2004 Dr. Chilmonczyk was the residency program director in Pediatrics at Maine Medical Center, and from 2000-2005 also served as the Associate Chief of Pediatrics. In addition to her current work with Allergy and Asthma Associates she serves as the medical director for the AH! Asthma Health Program at MaineHealth and Maine Medical Center. Dr. Chilmonczyk sees infants, children, teens and adults (up to age 50 yrs). Her interests include asthma, nasal and ocular allergy, food and insect allergy, and primary immunodeficiency.

Dr. Musmand

Dr. Jon Musmand has been practicing in Maine since 1994.  He graduated from Johns Hopkins University and then went on to New York University Medical School.  His residency was in Internal Medicine at University of California at San Diego (UCSD).   He completed his fellowship in pediatric and adult Allergy and Immunology at Tulane University in New Orleans.  He has received awards from the American College of Allergy, Asthma and Immunology, the American College of Chest Physicians and the Maine Lung Association.  He was director of the Maine, Ah! Asthma camp and has volunteered at the Street Clinic for individuals without health insurance for more than ten years.  He sees patients age 8 and up.  His interests include chronic urticaria (hives), sinus disease, eosinophilic gastrointestinal diseases, and asthma.

Denise Viekman

Denise Viekman, FNP
graduated with a Bachelor of Science degree in Nursing in 1992 from Messiah College , Grantham , Pennsylvania . In 1994, she started working full time as a nurse at Allergy and Asthma Associates. Since she was always wanting to learn more, she was encouraged by the physicians to return to school and in 1999 graduated from the University of Maine with a Master of Science degree in Nursing/ Family Nurse Practitioner and has continued to work in that role at our practice. Denise enjoys seeing patients of all ages.

Michael Lunn

Dr. Michael Lunn received his medical degree from the Philadelphia College of Osteopathic Medicine in 2005.  He then completed a four year combined Internal Medicine/Pediatrics residency along with his Allergy/Immunology fellowship at Penn State University in Hershey, Pennsylvania.  His interests include hereditary angioedema, chronic urticaria, and asthma.  Additionally, he has published articles and abstracts on hereditary angioedema in peer reviewed journals.  Originally from Brodheadsville, Pennsylvania located in the Pocono Mountains, he is happy to be a part of the Maine community and contribute to its health and wellness. Dr. Lunn sees any patients over the age of 2.


Carah Santos

Dr. Carah Santos
, who specializes in Allergy & Immunology, is the newest addition to our team. Dr. Santos is a native of Northern California, and after completing her undergraduate studies at Columbia University, she received her medical degree from Penn State College of Medicine. She returned to California to perform her residency in Pediatrics at Stanford University's Lucile Packard Children's Hospital. She recently completed her Allergy & Immunology fellowship training at National Jewish Health in Denver, Colorado, the leading respiratory hospital in the nation. She treats patients of all ages and has particular interest in food allergy, asthma, and immunodeficiency.

Dr. Santos chose to specialize in Allergy & Immunology because the conditions she treats are very common and their management emphasizes improving quality of life. Dr. Santos favors a team-based approach to patient care and strives to work jointly with patients, families, caregivers and the community to provide the education and treatment plan that best suits each individual patient. She carries a philosophy of involving her patients in each step of the decision making process and ensuring that they have a solid understanding of their medical conditions.

Dr. Santos is excited to begin her new life in Portland with her fiance, who is also a physician in the community. She looks forward to the hiking, skiing, sailing, arts, and great cuisine Maine has to offer.