Welcome to Wilson Creek Internal Medicine Group

Healthcare with a Personal Approach

Health maintenance and disease prevention by tailoring our approach to your own personal physical and emotional needs

Accepting new Medicare Patients


We offer affordable self-pay options for individuals that are uninsured or have high deductible health plans.

Welcome to Wilson Creek Internal Medicine Group

Dr. Zahid Zafar, MD

If you’re looking for a doctor who cares about your medical history, who will listen to you, and who takes your healthcare seriously, you’ve come to the right place! Dr. Zahid Zafar is committed to providing each patient with an exceptional level of care and attention. Practicing in Collin County for the past twenty years, our providers value the community and the families in it! Our goal is to provide the type of medical care that we would expect for our own families.

We at Wilson Creek Internal Medicine Group have a personalized approach to health maintenance and disease prevention by tailoring our approach to your own personal, physical, emotional, and financial needs. We realize that there are many people who are uninsured or have very high deductible insurance plans. This can be an obstacle to those that are in need of quality healthcare. We are now offering affordable self-pay pricing for routine medical care including labs, x-rays, and other medical testing.

Meet The Team

Dr. Zahid Zafar, MD

Dr. Zahid Zafar, MD

Dr. Zafar has been practicing in the McKinney and Allen area for more than 20+ years. He has extensive experience in managing adult medical care in an inpatient and outpatient environment, treating acute and chronic diseases. Dr. Zafar is also very involved in independent assisting living, memory care, and skilled nursing facilities throughout the Collin County community as well as having privileges at Medical Center McKinney.  Dr. Zafar is committed to providing his patients with an exceptional level of care and individual attention to their specific needs. Dr. Zafar is board certified in internal medicine with completed post-graduate training at Wayne State University in Michigan. He is a member of the Texas Medical Association, the Collin County Medical Society, the American Medical Association, and the American Society of Bariatric Physicians. Dr. Zafar resides in Frisco with his wife and three children. He enjoys traveling, spending time with his family and friends, and is very involved in his community.

Sunita Parajuli, NP

Sunita Parajuli, NP

Sunita Parajuli is a Family Nurse Practioner who has been practicing in Dallas metroplex for over 6 years.  She has diverse experience in clinical practice (including adult psychiatric).  Currently she works with adult and geriatric patients in an outpatient and inpatient clinical setting, treating acute and chronic diseases.  She is also responsible for managing care of patients currently at independent, assisted living and memory care facilities.  Besides managing and treating diseases, she focuses on preventative care, weight management and empowering patients with education to manage their medical conditions. Sunita started her nursing career as a Registered Nurse and worked for Baylor Scott & White.  She completed her Masters Degree in Nursing in 2013 from Texas Woman's University.

We Offer Many Same Day Services to Speed Healing

1. Schedule an Appointment

Contact our Allen, TX office to schedule a convenient time.

2. Visit with the Doctor

Meet with Dr. Zafar or one of the other highly trained medical professionals to discuss your health, wellness & any pressing concerns.

3. Develop a Treatment Plan

Your doctor will discuss a treatment plan designed specifically for you and the steps necessary to regain wellness.

Schedule an Appointment

We are now offering affordable prices to those who may not be covered by an insurance plan.

What Our Patients Say

We are in Allen!

Wilson Creek Internal Medicine Group

997 Raintree Circle
Suite #180,
Allen, TX 75013

Monday – Friday:
8:30am – 5:00pm

P : (972) 562-1018
F : (972) 562-1026



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Wilson Creek Internal Medicine Group

Start feeling better today!

Providing Exceptional Care to Patients in Allen, McKinney and the Surrounding Areas.

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