Mon–Fri 8:00 AM – 5:00 PM • Two locations serving The Woodlands & Conroe Call (936) 271-2222

Trusted Primary Care for The Woodlands & Conroe

For more than 20 years, the board-certified internal medicine physicians of ZAK Medical Group have cared for our neighbors in Montgomery County — with the time, attention, and follow-through your health deserves.

New patients welcome • Medicare Advantage accepted • Same-day appointments often available

4.7 out of 5 starsRated by 117+ patients on Healthgrades
20+ years of serviceCaring for Montgomery County families
Two convenient officesThe Woodlands / Shenandoah & Conroe
Same-day appointmentsWe work to see you when you need us
Our Services

Complete internal medicine, close to home

From annual checkups to ongoing care for chronic conditions, our internists provide the kind of thorough, personal medicine that comes from knowing our patients for years.

Annual Wellness & Physicals

Yearly exams, Medicare Annual Wellness Visits, and preventive checkups to stay ahead of problems.

Chronic Condition Care

Steady management of diabetes, high blood pressure, heart disease, COPD, and more.

Preventive Screenings

Age-appropriate screenings and early-detection testing, coordinated in one place.

Vaccinations & Lab Work

Flu shots, immunizations, and convenient in-office lab draws.

Telehealth Visits

Visit with your doctor from home when an office trip isn't necessary.

Specialist Coordination

Referrals to trusted local specialists — and we follow up on the results with you.

See All Services

Medicare Patients Welcome

Care built around Medicare — without the runaround

ZAK Medical Group proudly serves Medicare and Medicare Advantage patients as part of the WellMed care network, focused on prevention and coordinated, physician-led care.

  • Medicare Advantage & UnitedHealthcare plans accepted
  • Medicare Annual Wellness Visits
  • One doctor who knows your whole history
  • Help coordinating specialists, labs, and medications

Not sure if we take your plan? Call us — we'll check for you: (936) 271-2222

A physician reviewing care information
Our Physicians

Doctors who take the time to know you

Farhat Khan, MD

Internal Medicine

Trained at Dow Medical College with residency at Long Island College Hospital, Dr. Farhat Khan is known for thorough, unhurried visits and is rated 4.7 out of 5 by her patients. Affiliated with St. Luke's Health – The Woodlands.

Perwaiz Khan, MD

Internal Medicine

Dr. Perwaiz Khan provides comprehensive internal medicine care for adults, with a focus on preventive medicine and the long-term management of chronic conditions.

Meet Our Doctors

Two Locations

Care close to home

The Woodlands / Shenandoah

Pine Forest Office

150 Pine Forest Dr, Suite 204
Conroe, TX 77384
Conroe

Commercial Circle Office

100 Commercial Circle
Conroe, TX 77304

Ready to see a doctor who listens?

We're accepting new patients at both offices. Call today — same-day appointments are often available.