Providers
The physicians and staff are pleased that you have chosen to find out more about Medical Arts Allergy, P.C. We are proud of our staff of dedicated professionals, who try to provide our patients with compassionate quality care.
Our Providers
Jack L. Armstrong
M.D.
B.A. Biology -
Washington and Jefferson College, Washington, PA
M.D. - Penn State College of Medicine,
Hershey, PA
Internship/Residency - Penn State Milton S. Hershey Medical
Center, Hershey, PA
Post Doctoral Fellowship - Medical College of Georgia, Augusta, GA
Board Certified - Internal Medicine, Allergy and Immunology
Dr. Armstrong has published on topics including chronic urticaria,
angioedema, asthma, allergic rhinitis, eosinophilia, lady bug
allergy as well as immunoglobulin deficiencies.
Donald S. Harper M.D.
B.S. Biology -
University of Utah, Salt Lake City, UT
M.D. - University of Utah School of Medicine, Salt Lake City,
UT
Internship/Residency - Keesler
Medical Center, Keesler Air Force Base, MS
Post Doctoral Fellowship - Wilford Hall Medical Center, San Antonio, TX
Board Certified - Internal Medicine, Allergy and Immunology
Dr. Harper’s interests include novel treatments for asthma,
immunotherapy, and stinging insect hypersensitivity.
Joan M. Montello M.D.
B.A. Biology
-
University of Pennsylvania, Philadelphia, PA
M.D. - Temple University School of Medicine, Philadelphia, PA
Internship/Residency - St.
Christopher’s Hospital for Children, Philadelphia, PA
Post Doctoral Fellowship - The Children’s Hospital of Philadelphia and Hospital of
the University of Pennsylvania, Philadelphia, PA
Board Certified - Pediatrics, Allergy and Immunology
Dr. Montello is a Fellow of the College of Allergy, Asthma and
Immunology and has been a clinical lecturer of Pediatrics at Penn
State College of Medicine.
Helen C. Wang M.D.
B.A. Biology - Lehigh
University, Bethlehem, Pennsylvania
M.D. - Medical College of Pennsylvania and Hahnemann
University, Philadelphia, Pennsylvania
Internship/Residency - Thomas Jefferson University,
Philadelphia, Pennsylvania and A.I. duPont Hospital for Children,
Wilmington, DE
Post Doctoral Fellowship - Thomas Jefferson University and A.I.
duPont Hospital for
Children
Board Certified - Pediatrics, Allergy and Immunology
Dr. Wang has an interest in eczema, recurrent infections, penicillin
allergy and food allergies including eosinophilic esophagitis. She
is fluent in Mandarin Chinese.

Jodi Johnson C.R.N.P., A.E.-C.
B.S. Nursing,
The University of Pittsburgh, Pittsburgh, PA
M.S. Nursing - the Pennsylvania State University,
State College, PA
C.R.N.P. Family Nurse
Practitioner, Penn State Milton S. Hershey Medial Center, Hershey,
PA
Certified Asthma Educator
Jodi's interests include smoking cessation counseling and working
with individuals and families in helping them to understand and
manage asthma.
