Meet our doctors

Board-certified internal medicine physicians serving The Woodlands and Conroe for more than 20 years. Both are welcoming new patients.

Call to schedule, Mon–Fri 9 to 4 (936) 271-2222

Farhat Khan, MD

Internal medicine · Accepting new patients

Dr. Farhat Khan has spent her career practicing the kind of medicine that is becoming rare: visits that don't feel rushed, a doctor who remembers your history, and care plans built around you, not around a clock. She provides comprehensive, personalized healthcare with an emphasis on preventive medicine, and personally coordinates specialist care whenever it's needed.

Her patients have rated her 4.7 out of 5 stars across more than 117 reviews on Healthgrades, frequently praising her attentiveness and follow-through.

Medical degreeMBBS, Dow Medical College
ResidencyInternal Medicine, Long Island College Hospital, New York
Hospital affiliationsSt. Luke's Health – The Woodlands Hospital; HCA Houston Healthcare Conroe
Sees patients atPine Forest and Commercial Circle offices

Perwaiz Kahn, MD

Internal medicine · Accepting new patients

Dr. Perwaiz Kahn provides comprehensive internal medicine care for adults at both ZAK Medical Group locations. His practice focuses on preventive care and the careful, long-term management of chronic conditions such as diabetes, hypertension, and heart disease, helping patients stay healthy and independent at every stage of life.

SpecialtyInternal medicine
FocusPreventive care; diabetes, hypertension, and heart disease
Sees patients atPine Forest and Commercial Circle offices

Become a patient

Both physicians are welcoming new patients. Call today to schedule your first visit, and we'll have your paperwork ready when you arrive.

Call either office, Monday through Friday (936) 271-2222 New patients welcome. Medicare Advantage accepted. Request an appointment online