Dr. Michael E. Manning

Dr. Maressa Alejandro is an internal medicine physician specializing in preventative and medical care for adults and seniors. She earned her medical degree at Ponce School of Medicine in Ponce, Puerto Rico, and has been in practice for more than 20 years.She completed her internal medicine internship, residency, and fellowship, as well as additional fellowship training in geriatrics and primary care at Saint Vincent’s Hospital in New York City. Dr. Alejandro is board-certified by the American Board of Internal Medicine and licensed in multiple states, including Arizona. She has earned many honors and awards throughout her career and is a member of the American Medical Association.Dr. Alejandro has expertise in treating coronary artery disease, hypertension, diabetes, underactive and over-active thyroid disease, asthma, bronchitis, and autoimmune diseases, among other conditions. She specializes in the unique health needs of the elderly, including chronic diseases, nutritional problems, skin ailments, cognitive loss, memory impairment, adverse effects of medications, immobility, and balance issues.Whether it’s a complex medical issue with multiple comorbidities or a simple well-check exam, Dr. Alejandro treats her patients with kindness, respect, and compassion. She speaks Spanish. Dr. Alejandro is participating with Medicare, Medicaid, Aetna, Blue Cross, United Healthcare, and Cigna, among others, and is currently accepting new patients at Fusion Medical Care!. Dr. Alejandro-Reyes is highly rated in 6 conditions, according to our data. Her clinical expertise encompasses Peripheral Neuropathy, Malignant Otitis Externa, Silent Thyroiditis, Vitamin D Deficiency, and Hormone Replacement Therapy (HRT). Dr. Alejandro-Reyes is board certified in Internal Medicine. Dr. Alejandro-Reyes is currently accepting new patients.

Ronald Jorgensen is an Allergy and Immunologist practicing medicine in Mesa, Arizona. Dr. Jorgensen is highly rated in 21 conditions, according to our data. His clinical expertise encompasses Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives. Dr. Jorgensen is board certified in American Board Of Allergy And Immunology. Dr. Jorgensen is currently accepting new patients.

Diplomate American Board of Internal Medicine,Diplomate American Board of Allergy and ImmunologyBoard-certified in internal medicine, Aaron Davis, MD, is also a board-certified allergist and immunologist. He is dedicated to providing personalized care at Allergy, Asthma & Immunology, LTD, with two locations in Scottsdale and another in Gilbert, Arizona. He joined Allergy, Asthma & Immunology, LTD, in 2005 and serves as an investigator in clinical research trials.Dr. Davis was born and raised in Richland, Washington. He graduated from Carroll College in Helena, Montana, with a Bachelor of Arts in biology. He completed medical school at St. Louis University School of Medicine.Afterward, he moved to Arizona for his internal medicine residency at Mayo Clinic in Scottsdale and completed an allergy and immunology fellowship at Henry Ford Health Systems in Michigan.He is a member of the Academy of Allergy, Asthma, and Immunology; American College of Allergy, Asthma, and Immunology; American Medical Association; Maricopa County Medical Society; and Arizona Allergy and Asthma Society. Dr. Davis is also a diplomate of the American Board of Internal Medicine and board-eligible by the American Board of Allergy and Immunology.Dr. Davis is married to Kelly, an orthopedic physician assistant. He enjoys outdoor activities and traveling. Dr. Davis is highly rated in 7 conditions, according to our data. His clinical expertise encompasses Allergic Rhinitis, Grass Allergy, Sinusitis, and Hives. Dr. Davis is board certified in American Board Of Allergy And Immunology, Allergy & Immunology, and Internal Medicine. Dr. Davis is currently accepting new patients.

National Commission on Certification of PhysicianAssistants, Board Certified, 1998Rachael Stillwagon, MS, PA-C, is a caring physician assistant at Allergy, Asthma & Immunology, LTD, with two locations in Scottsdale and another in Gilbert, Arizona.Rachael was born in Iowa and raised in Iowa and Wisconsin. In 2000, Rachael began working in the specialty of allergy and asthma, and has been passionate about the field ever since. In 2002, she and her husband moved to Scottsdale, where she continued her work. Rachael is a member of multiple allergy associations locally and nationally. She has served on various professional committees and currently lectures locally on atopic dermatitis.As a physician assistant, Rachael serves as a primary care provider within the clinic. Her responsibilities include history and physical examinations, ordering and interpreting diagnostic tests, prescribing medications, and patient follow-ups. She works personally with each patient to formulate a treatment plan and ensure the best possible care.Rachael and her husband have three children, all born in Scottsdale. She enjoys running, spending time with friends and her large family, volunteering with her children for Boys Team Charity and the National Charity League, as well as various projects at their schools. She loves watching her children participate in their sporting events and other activities!. Her clinical expertise encompasses Sinusitis, Giant Papillary Conjunctivitis, Allergic Rhinitis, and Grass Allergy. Stillwagon, PA is currently accepting new patients.

Duane Wong is an Allergy and Immunologist practicing medicine in Phoenix,, Arizona. Dr. Wong is highly rated in 13 conditions, according to our data. His clinical expertise encompasses Grass Allergy, Common Variable Immune Deficiency, Sinusitis, and Primary Immunodeficiency (PID). Dr. Wong is currently accepting new patients.

Hiral Thakrar, MD, is an allergist and immunologist at Allergy, Asthma & Immunology, LTD, with two locations in Scottsdale and another in Gilbert, Arizona.She manages adult and pediatric conditions, such as allergies of the nose and skin, hives, asthma, food allergies, and drug allergies. She is board certified in both Internal Medicine and Allergy and Immunology.She is a member of the Western Society of Allergy, Asthma & Immunology, American Academy of Allergy, Asthma & Immunology (AAAAI), and American College of Allergy, Asthma, and Immunology. She has been a mentor for future aspiring allergists in medical school and residency for the past two years as a Chrysalis mentor for AAAAI.Dr. Thakrar has conducted her research in Dupilumab and its effects on patch testing for allergic contact dermatitis, alcohol reactivity in AERD, penicillin allergy, epitope binding, and single sequencing with peanut allergy. Her special interests are asthma, aspirin-exacerbated respiratory disease (AERD), food allergies, and contact dermatitis. She takes an integrative medicine approach to all these diseases.Dr. Thakrar is married and loves to spend time with her 14-month-old baby. In her free time, she enjoys yoga and meditation, traveling, and hiking, and participating in Indian cultural events. Her clinical expertise encompasses Grass Allergy, Allergic Rhinitis, Sinusitis, and Asthma. Dr. Thakrar is board certified in Allergy & Immunology and Internal Medicine. Dr. Thakrar is currently accepting new patients.