Overview
Katheryn Black is a primary care provider, practicing in Allergy and Immunologist in Phoenix, Arizona. Dr. Black is rated as an Experienced provider by MediFind in the treatment of Diabetic Neuropathy. Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Klinefelter Syndrome, and Grass Allergy.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- POS
- PPO
Locations
4212 N 16th St, Phoenix, AZ 85016
Fusion Medical Care
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 rated as an Advanced provider by MediFind in the treatment of Diabetic Neuropathy. Her top areas of expertise are Peripheral Neuropathy, Malignant Otitis Externa, Silent Thyroiditis, Vitamin D Deficiency, and Hormone Replacement Therapy (HRT).
Magnolia Personalized Medicine
Dr Ellie Wright is an Allergy and Immunologist in Glendale, Arizona. Her top areas of expertise are Acne, Diabetic Neuropathy, Type 2 Diabetes (T2D), and Generalized Resistance to Thyroid Hormone. Dr. Wright is currently accepting new patients.
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
- Type 2 Diabetes (T2D)Dr. Black isAdvanced. Learn about Type 2 Diabetes (T2D).
- Experienced
- Allergic RhinitisDr. Black isExperienced. Learn about Allergic Rhinitis.
- AsthmaDr. Black isExperienced. Learn about Asthma.
- Asthma in ChildrenDr. Black isExperienced. Learn about Asthma in Children.
- Barrett EsophagusDr. Black isExperienced. Learn about Barrett Esophagus.
- Chronic Kidney DiseaseDr. Black isExperienced. Learn about Chronic Kidney Disease.
- Diabetic NeuropathyDr. Black isExperienced. Learn about Diabetic Neuropathy.

