top of page

Meet Our Providers

Dr. Joann H. Lin

Dr. Lin received her undergraduate degree from Stanford University 
and her medical degree at the University of Texas Southwestern 
Medical School. She completed her training in General Pediatrics and 
Adult & Pediatric Allergy and Immunology at UCLA.  She is 
board-certified in both Adult & Pediatric Allergy and Immunology and 
General Pediatrics.

She is a member of the American Academy of Allergy, Asthma, and 
Immunology; the American College of Allergy, Asthma, and 
Immunology; and as a Fellow in the American Academy of Pediatrics 
(AAP).  She is actively involved in the AAP's Allergy and Immunology 
Section and the only North Texas allergist to take part in selecting 
important research findings for Pediatrics' Best Articles Relevant to 
Pediatric Allergy and Immunology, a leading journal for pediatricians. 
(Recent article topics include obesity and asthmaHEPA filtration and asthma, and immunotherapy)  Dr. Lin believes that staying active in the scientific world of allergy, asthma, and immunology helps her to become a better, informed physician for her patients.  She has presented her research findings at national meetings.  She has also published articles in numerous scientific journals including the Journal of Allergy and Clinical Immunology Allergy and Asthma Proceedings, Contemporary Pediatrics, and Pediatric Dermatology. Dr. Lin has been actively involved with the Food Allergy & Anaphylaxis Network. She is also an editor for the immunology section at Madisons Foundation, a site that helps educate and connect parents of children with rare diseases.


Best Doctors in Collin County ( 2023 , 2022 , 2021 , 2020 , 2018 )

Best Doctors ( 2022 , 2021 , 2019 )


Elizabeth Fearin, MPAS, PA-C 

Elizabeth "Beth" Fearin joined McKinney Allergy and Asthma Center in April 2018. Beth has been practicing as a Physician Assistant for over 19 years, primarily within Internal Medicine and Family Practice. She received her Bachelor of Health Science in PA Studies from the University of Kentucky in 1992 and obtained her Masters in PA Studies from the University of Nebraska in 2010.


Beth currently resides in Prosper with her husband and three children, In her free time she enjoys working out, spending time with family and friends, and attending her children's sporting events.

Cynthia “Eron” Noble, MPAS, PA-C

Eron Noble has served patients in allergy, asthma and immunology since 2016. She received her Bachelor’s degree in Psychology from Stanford University and completed her Master’s degree in Physician Assistant Studies at the University of Texas Southwestern Medical Center. She values staying up to date with practice guidelines in order to help patients achieve relief and control of their allergic conditions. She enjoys quality time with family and friends, reading and being outdoors.


Our Team

Together, our team is committed to providing personalized and compassionate care to each and every patient who walks through our doors. We strive to create a welcoming and supportive environment that promotes healing and wellness.

bottom of page