Thomas F. Hartley, M.D.
Diplomate American Board of Internal Medicine
Diplomate American Board of Allergy and Immunology
Dr. Hartley served in the United States Navy prior to attending Oklahoma State University for undergraduate studies. Subsequently, he moved on to the University of Arkansas Medical School where he received his M.D.
Dr. Hartley then served as a Battalion Surgeon, 1st Medium Tank Battalion in the United States Army. Following his service in the armed forces, he moved to Snyder, Texas where he practiced general medicine for 10 years.
Continuing to pursue his education, Dr. Hartley joined Scott & White Hospital in Temple, Texas where he was a resident in Internal Medicine. Deciding to specialize, Dr. Hartley entered a fellowship in Allergy and Immunology at the University of Colorado.
Upon completing his education, Dr. Hartley moved to Phoenix, where he formed Allergy, Asthma & Immunology Associates, Ltd. In 1969.
Dr. Hartley is a Fellow in the American Academy of Allergy, Asthma and Immunology and the American College of Allergy, Asthma and Immunology. He is also a Fellow of the American College of Physicians.
Dr. Hartley and his wife, Martha, have two sons.
Michael E. Manning, M.D.
Diplomate American Board of Internal Medicine
Diplomate American Board of Allergy and Immunology
Dr. Manning was born and raised in the Phoenix metro area. He graduated with honors from Baylor University in Waco, Texas. Dr. Manning then attended medical school at the University of Texas Medical School in Houston.
Dr. Manning pursued his Internal Medicine residency in Phoenix at St. Joseph's Hospital and Medical Center. He then completed an Allergy, Asthma and Immunology Fellowship at Scripps Clinic and Research Foundation in La Jolla, California.
Dr. Manning is a Fellow in the American Academy of Allergy, Asthma and Immunology and the American College of Allergy, Asthma and Immunology.
Dr. Manning is very active in many national, regional and state societies and is involved with research to continually improve the treatments of allergies and asthma.
Dr. Manning was very pleased to join Allergy, Asthma & Immunology Associates, since he received allergy injections as a youngster at A A & I.
Dr. Manning and his wife, Jennifer, have four children. He spends time assisting with youth athletics, often coaching.
Aaron J. Davis, M.D.
Diplomate American Board of Internal Medicine
Board Eligible American Board of Allergy and Immunology
Dr. Davis was born and raised in Richland, Washington. He graduated from Carroll College, Helena, Montana. Dr. Davis then completed medical school at St. Louis University, St. Louis, Missouri.
Dr. Davis did his training for Internal Medicine at Mayo Clinic Scottsdale and an Allergy Immunology Fellowship at Henry Ford Health Systems Michigan. Dr. Davis is board certified allergist/immunologist and board certified in internal medicine.
Dr. Davis is a member of American Academy of Allergy Asthma and Immunology, American College of Allergy Asthma and Immunology, and American Medical Association. He joined Allergy Asthma and Immunology in 2005. Dr. Davis is also involved in clinical research involving allergies and asthma at Medical Research of Arizona in South Scottsdale.
Dr. Davis enjoys outdoor activities and traveling.
Jean A. Nelson, FNP-C
RN, MSN Certified - ANCC
Member of the American Academy of Nurse Practitioners
Jean A. Nelson is a Family Nurse Practitioner (FNP) that has been associated with Allergy, Asthma and Immunology for the past 20 years. She received her Associate Degree in Science and Nursing at Iowa Central Community College and her Bachelor's of Science in Nursing degree at Arizona State University.
Jean completed her Family Nurse Practitioner curriculum along with her Master's of Science degree in 2003. Jean graduated from ASU Suma cum Laude and was awarded ASU's Graduate College of Nursing's Scholar of the Year 2003. Jean's applied research project assessed the management of the adult asthmatic through support and education.
Jean's presence offers patients an additional choice of clinicians for their health care management. As a Family Nurse Practitioner, Jean serves as a primary care provider within the clinic. She gathers complete histories, performs physical exams, orders and interprets diagnostic tests, prescribes medication, and collaborates with each patient to formulate a treatment plan to optimize well-being.
Jean is a strong patient advocate who focuses on health promotion and offers ongoing patient education to maximize each patient's ability to make informed health care decisions.
Jean and her husband, Keith, have three teenage children. She is also an accomplished pianist and organist.
Esther Stottlemyer
Business Administrator
Esther is proud to have been associated with Allergy, Asthma & Immunology for the past 15 years. As the Business Administrator, Esther is responsible for human resources, employee management, and the fiscal operations for all three office locations. She actively pursues personnel development and ensures compliance with all regulatory and professional standards. She continually focuses on improving office efficiency and works to promote patient satisfaction. Esther is a vital part of the management team and along with the clinicians assists in strategic planning to prioritize the long term objectives of the organization.
If you have any questions, concerns, or comments regarding office staff, billing, or the daily operations of Allergy, Asthma & Immunology Associates please feel free to contact Esther. She is available by e-mail at esther@allergyasthmaaz.com or can be reached by telephone at (480) 889-6301.
Our Team
The entire staff at Allergy, Asthma & Immunology offers quality health care services in a warm and friendly manner. Our receptionists, nursing staff, research personnel, office staff, and clinicians welcome the opportunity to serve you. Each member of the team provides patient centered care with an awareness of each patient's individualized needs. We are committed to making your association with Allergy, Asthma & Immunology Associates a pleasant and professional experience.
