About Us

Keith D. Jorgensen, M.D.
Dr. Jorgensen graduated from Johns Hopkins University and Rush Medical College. He completed a year of general surgical internship at St. Elizabeth Hospital in Boston. His specialty training was obtained in the Boston Combined Otolaryngology-Head & Neck Surgery residency program at Boston University and Tufts Medical School. During training his other hospital affiliations included Lahey Clinic, Children’s Hospital Medical Center, New England Medical Center, Boston Floating Hospital, Boston City Hospital, and Boston VA Medical Center. He is a Board-Certified Fellow of the American Academy of Otolaryngology-Head & Neck Surgery and an associate member of the American Academy of Otolaryngic Allergy. Since 1985 he has been in private practice in Derry, New Hampshire, and has medical staff privileges at Parkland Medical Center, Elliot Hospital and Bedford Ambulatory Surgical Center.

Michael McCarthy, PA

Mr. McCarthy graduated from Plymouth State University with a Bachelor of Science in Biology and Minor in Chemistry. He received his Masters in Physician Assistant studies from Massachusetts College of Pharmacy in Manchester, NH (previously Notre Dame College) in December of 2000 and joined our practice in January of 2001. He has a previous background in Emergency Medicine and is a medical provider for a local NH SWAT team as well.

Chelsea Morrison, NP

Ms. Morrison graduated from Regis College with a Bachelor of Science in Nursing. She received her Master of Science in Nursing from Frontier Nursing University in May of 2018 and joined our practice in November of 2018.

Jessie Cassada, Au.D.

Dr. Cassada graduated from Plattsburgh State University with a Bachelor degree in Communication Disorders and Sciences. She earned her Doctor of Audiology degree through Northeastern University. She worked for Hearing Solutions New England prior to joining our staff in April of 2019.

Libby Persons, Au.D.

Dr. Persons graduated from Northeastern University with a Bachelor degree I Speech Language Pathology and Audiology. She earned her Doctor of Audiology degree through the University of Connecticut. She worked for Northeast ENT and Allergy prior to joining our staff in July of 2019.

Call today and speak to our experienced, professional staff.