
Overview
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 is rated as an Advanced provider by MediFind in the treatment of Allergic Rhinitis. Her top areas of expertise are Peripheral Neuropathy, Malignant Otitis Externa, Silent Thyroiditis, Vitamin D Deficiency, and Hormone Replacement Therapy (HRT).
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- OTHER MEDICARE
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- EPO
- HMO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- HMO
- POS
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE ASSISTANCE PROGRAM
- MEDICARE MAPD
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
5900 N Granite Reef Rd, 102, Scottsdale, AZ 85250
Additional Areas of Focus
Dr. Alejandro has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Arizona Asthma & Allergy Institute LTD.
Ronald Jorgensen is an Allergy and Immunologist in Peoria, Arizona. Dr. Jorgensen is rated as a Distinguished provider by MediFind in the treatment of Allergic Rhinitis. His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and Hives.
Allergy And Immunology Associates, Ltd
As an Allergist-Immunologist, I believe that listening to the patient is our most powerful tool. As changes take place in the healthcare industry, personalized care seems to be suffering. I treat every patient as the unique individual that they are. I personally interview and examine every patient, along with reviewing any testing with the patient. Treatment plans are made in concert with the patient. The patient's input is critical to a successful outcome. Dr. Manning is rated as a Distinguished provider by MediFind in the treatment of Allergic Rhinitis. His top areas of expertise are Common Variable Immune Deficiency, Allergic Rhinitis, Grass Allergy, and Sinusitis.
Allergy And Immunology Associates, Ltd
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 rated as a Distinguished provider by MediFind in the treatment of Allergic Rhinitis. His top areas of expertise are Allergic Rhinitis, Grass Allergy, Sinusitis, and Hives.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Allergic RhinitisDr. Alejandro isAdvanced. Learn about Allergic Rhinitis.
- Malignant Otitis ExternaDr. Alejandro isAdvanced. Learn about Malignant Otitis Externa.
- Peripheral NeuropathyDr. Alejandro isAdvanced. Learn about Peripheral Neuropathy.
- Silent ThyroiditisDr. Alejandro isAdvanced. Learn about Silent Thyroiditis.
- Type 2 Diabetes (T2D)Dr. Alejandro isAdvanced. Learn about Type 2 Diabetes (T2D).
- Vitamin D DeficiencyDr. Alejandro isAdvanced. Learn about Vitamin D Deficiency.
- Experienced
- Acute CystitisDr. Alejandro isExperienced. Learn about Acute Cystitis.
- Acute Hepatic Porphyria (AHP)Dr. Alejandro isExperienced. Learn about Acute Hepatic Porphyria (AHP).
- Acute Intermittent PorphyriaDr. Alejandro isExperienced. Learn about Acute Intermittent Porphyria.
- Benign Paroxysmal Positional VertigoDr. Alejandro isExperienced. Learn about Benign Paroxysmal Positional Vertigo.
- Bowenoid PapulosisDr. Alejandro isExperienced. Learn about Bowenoid Papulosis.
- Childhood Iron Deficiency AnemiaDr. Alejandro isExperienced. Learn about Childhood Iron Deficiency Anemia.


