Casa Grande, Arizona
Adult primary care, from a doctor who knows you.
Casa Grande Internal Medicine looks after adults across our community: checkups, long-term conditions, and the ordinary things that come up. Call the office and we will take it from there.
Care team

Dr. Mohammed Zara, MD
Internal medicine · Primary physician
Dr. Zara has practiced internal medicine for 38 years. He cares for adults across the range of the field, from routine preventive visits to more involved medical problems.
He completed his medical education at Dow Medical College and his residency training at Cook County Hospital. He is affiliated with Banner Casa Grande Medical Center.
Also seeing patients here
Bradley Tanner PA-C, Internal Medicine
Samantha Coby PA-C, Internal Medicine
Vincent Tapia PA-C, Internal Medicine
What we do
Internal medicine, in plain terms.
An internist is a doctor for adults. We handle your regular care and the conditions that need watching over time, and we help you decide what matters now and what can wait.
Not sure whether we can help with something? Call the office and ask. We would rather you check than wonder.
- Checkups and yearly physicals
- High blood pressure and heart health
- Diabetes and thyroid
- Cholesterol and metabolic health
- Care for older adults
- Medicare wellness visits
- Long-term condition management
- Referrals to specialists
New patients
What to bring, and how to start.
Bring these to your first visit
- A photo ID
- Your insurance card or cards
- A list of your medicines, with doses
- Records or test results from other doctors, if you have them
- Any questions you want to ask
Ready to start
Book through the patient portal, or call the office and we will find you a time.
Visit us
Come see us.
Casa Grande, AZ 85122
In an emergency, call 911.
This office does not handle emergencies.