Coronavirus Information

Latest News | Mercyhealth's Virtual Visit Now | Visitor Restrictions Mercyhealth Cancellations How To Protect Yourself | Symptoms Of Coronavirus | Coronavirus Testing What To Do If You Are... continue reading

Marisha Cook, MD

Immunology - Marisha Cook, MD

Primary Number

(815) 971-2625

Fax Number

(815) 971-9608
"I am committed to providing professional, compassionate and patient-centered care. The goals of my practice are to provide the best possible medical care for each patient, at every visit, to treat each patient with dignity, respect and kindness, and to empower each patient to attain optimal control of their health conditions by emphasizing personal prevention and providing extensive education and health information."




  • American Board of Internal Medicine
  • American Board of Allergy and Immunology


Medical School
Rush Medical College, Chicago
Johns Hopkins Hospital, Baltimore
Allergy/Immunology: Johns Hopkins Hospital, Baltimore

Additional areas of special interest include:

• Asthma
• Environmental allergies
• Food allergies
• Eczema
• Bee and insect stings
• Allergic conjunctivitis
• Hives (urticaria)
• Immunotherapy (allergy shots)
• Sinusitis
• Anaphylaxis
• Penicillin allergy


Mercyhealth Rockton Avenue, Building 1

2300 N. Rockton Ave.
Rockford, IL 61103

Mercyhealth MyChart Sign In