(713) 266-7673


Our practice was established in 1998 through the mutual efforts of four practitioners who desired to bring high-quality health care to the community.

Our patient base grew rapidly after our clinic opened, and our practice has become a pillar of health care in the region. We are pleased to offer a complete range of medical services for people of all ages.

In addition to our primary care, we offer specialized services and referrals in areas ranging from sleep medicine to behavioral therapy to internal medicine. No matter what your needs are, we will help you find the treatment that you require.

Dr. William Davis, MD

Dr. William Davis is a seventh generation native Houstonian.  He received his undergraduate degree from the University of Virginia and his medical school degree from University of Texas Medical School in Houston.  He completed his residency training at Memorial Southwest Hospital.  Outside of the office he is an avid collector of comics, enjoys hunting, and spending time with his family.

Dr. Thien Nguyen, DO

Dr. Thien Nguyen received his undergraduate degree from the University of Texas at Austin and his medical school degree from the University of North Texas Health Science Center.  He completed his residency training at Memorial Southwest Hospital.  He focuses his practice on preventative medicine and caring for the overall health of his patients.  He is active in numerous charitable organizations.  Away from the office he enjoys outdoor activities like snowboarding and golf.

Kathleen Vivian, RN, MSN, FNP

Kathleen Vivian, RN, MSN, FNP.  Kathleen grew up in Minnesota and moved to Houston in 1991.  She has been an RN since 1991 and received her Family Nurse Practitioner Degree at UTMB over ten years ago.  She has worked in hematology/ oncology, underserved area clinics, and managed a concierge medical company.  Kathleen volunteers for many charitable organizations on her time off.  Away from the office she enjoys traveling, outdoor activities, and gardening.

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Rosewood Family Physicians

2405 South Gessner Suite B, Houston, TX 77063
Phone 713-266-7673    Fax 713-266-4744
Hours: Mon. to Fri. 8am to 5:30pm | Saturday Appointments Only
Call us today to schedule an appointment
Same day appointments available
We are accepting new patients
Most major insurances accepted, including Medicare/Medicaid