phone (281) 537-0300

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Board Certified Physicians, the highest quality comprehensive care

Our doctors are uniquely trained in both Internal Medicine and Pediatrics. They are specialists for both children and adults. They are dedicated to providing the most complete, detailed, and personable care to family members of all ages, including newborns, children, teens and adults.

Jessica Brooks Anderson


Dr. Jessica Brooks Anderson grew up in Bastrop, Texas, a small town outside of Austin. She attended Texas A&M University and graduated with a Bachelor of Science cum laude in Biochemistry and Genetics. She also received University and Foundation Honors and was recognized with the Margaret Rudder Award for community service. Dr. Anderson completed medical school in Galveston at the University of Texas Medical Branch and received the Tanya Johnson Memorial Award for service to children. She remained at UTMB for her residency training in Internal Medicine and Pediatrics, which she chose as a result of her love of continuity of care. “I truly enjoy the ability to serve all members of the family and promote their health with knowledge of medical issues spanning the spectrum of life from newborns to the elderly.” Dr. Anderson served as the Internal Medicine-Pediatrics Chief Resident in her final year of residency and then joined Cypress Physicians Association in the fall of 2008. “I consider myself to be a very good listener, and I pride myself on taking time with my patients. I find it a privilege to know my patients and their families on very personal level.” In her spare time Dr. Anderson enjoys spending time with her young son. She also likes to volunteer, cook, travel, and participate in sports, including running, golf, and skiing. She is a member of St. Dunstan’s Episcopal Church, where she teaches youth Sunday School and helps coordinate and participate in annual medical mission trips to La Romana, Dominican Republic


  • Monday - Thursday at Spring Woods 
  • Friday at Willowbrook

Elizabeth Couch, MSN, APRN, FNP-C

Family Medicine Nurse Practitioner

Elizabeth Couch earned her Bachelor of Science in Nursing Degree from the University of Texas in Austin. She then received her Masters of Science in Nursing from UTMB in Galveston. Elizabeth is certified by the American Board of Nurse Practitioners and the Texas Medical Board. Elizabeth enjoys providing care for both acute and chronic medical diseases spending the last few years working as provider in family practice and serving as the sole provider for an urgent care. I also am experienced and enjoy tailoring weight loss programs for individuals to reverse disease processes and thus reduce the need for pharmacotherapy.

Glenn Davis


Dr Davis is Co-Founder of Cypress Physicians Association. He is Board Certified in Internal Medicine and Pediatrics.

Dr Davis graduated Magna Cum Laude in Biochemistry from Texas A & M University. He received his MD from Baylor College of Medicine where he graduated in the top quarter of his class.

He completed his residency in Internal Medicine/Pediatrics at Baylor College of Medicine. During his last year, he was Chief Resident for the combined Internal Medicine/Pedriatric residency program at Baylor College of Medicine.

In 2001, Dr Davis began his practice with MacGregor Medical Association at its Willowbrook location. In nine months he became the clinic's Senior Physician as well as Director of its Inpatient Services at Methodist Willowbrook Hospital.

Next, in 2002 Dr Davis Co-founded Cypress Physicians Association, a comprehensive Primary Care medical clinic  that serves families throughout Northwest Houston. Cypress Physicians Association now has three convenient locations in the area.

Dr Davis was awarded Methodist Willowbrook Physician of the year in 2007 and 2008. In 2009 he was named one of Americas top doctors by the Consumer Research Council. In 2010 he was named to the prestigious Aggie 100 honoring the most rapidly growing Aggie owned businesses in the world.

Dr Davis currently sees patients at each of his offices.

Schedule :

  • Monday - North Cypress
  • Tuesday - Spring Woods location
  • Wednesday - North Cypress
  • Thursday - Willowbrook
  • Friday - North Cypress

Jacklyn Eyre, PA-C

Physicians Assistant

Jacklyn Eyre is a Physician Assistant at our Dotson Road office.  She is available Monday through Friday in the office.

Melinda Guerry, PA-C

Physicians Assistant

Melinda Guerry has joined our group at our North Cypress location.  She attended the University of Texas Medical Branch at Galveston for her Masters of Physician Assistant Studies. Melinda also attended the University of Nebraska - Lincoln where she graduated magna cum laude in Chemical Engineering.  

C.T. Hu


Dr. Chung Tai Hu is Board Certified in Family Medicine and has been a practicing physician since 1975. He majored in Chemistry, graduated with Honors from the University of Cincinnati in 1968, and then completed the University’s medical program in 1972. He moved to Southern California, where spent three years performing post-graduate work, including a two-year residency at the Santa Monica Hospital Medical Center.

Upon completing his residency, Dr. Hu moved back to Ohio and opened a private practice where he stayed until 1988. During his time in Ohio, he was a member of the Clinton County Board of Mental Health, the Clinton County Health Department, and worked as a member of the Clinton Memorial Hospital staff. He also chaired the Family Practice Department from 1985 to 1986.

In 1988, Dr. Hu moved to Houston to practice medicine with the MacGregor Medical Association. He was the Chair of the Family Practice Department from 1993 to 2002, and he was named the MMA Physician of the Year in 1994 and 2002. After receiving the second award, Dr. Hu co-founded the Cypress Physicians association in 2002 with Dr. Glenn Davis.

Dr. Hu is an active member of his community and a member of numerous associations, including the Texas Medical Association, the Harris County Medical Society, the American Board of Family Medicine, and the American Academy of Family Practice.


  • Monday, Tuesday, Thursday & Friday at Spring Woods location 

Laura Talley, MSN, APRN, FNP-C

Family Medicine Nurse Practitioner

Laura has joined the Mossy Oaks location as of March 12, 2018.

Kathryn F. Ziegler


Dr. Kathryn Ziegler majored in Biomedical Engineering and graduated Summe cum Laude from Texas A&M University in 1998. She attended Baylor College of Medicine, where she was a member of the Texas Academy of Internal Medicine Preceptorship Program and a Mentor in the Peer Resource Network.

After graduating from her medical program in 2003, Dr. Ziegler stayed at Baylor College of Medicine to complete her residency in Internal Medicine and Pediatrics. During that time, she became the Chief Resident of Internal Medicine-Pediatrics, a member of the Pediatrics Residency Curriculum Committee, and a Mentor for the Internal Medicine Resident’s Assistance Program.

Dr. Ziegler has received honorary recognition from many sources, including Texas A&M University Honors and several Letters of Commendation from Texas Children’s Hospital. She is volunteer Board Member of the Community of the Streets, and she was a Resident Advisor for the Reach out and Read program based out of Martin Luther King Health. She is also a member of the American Academy of Pediatrics and the American College of Physicians.

Dr. Ziegler joined Cypress Physicians Association in August 2007 and considers it a great joy to treat patients from infants to elderly.

Dr. Zielger enjoys time cooking and camping with her husband and children.  She and her family are active members of Trinity Espiscopal Church in mid-town Houston.  Dr. Ziegler enjoys teaching Sunday school to elementary children.


Tuesday- Friday at Spring Woods

Sharon McGrath


Dr. Sharon McGrath grew up in Austin, TX.  Her father took her on many budget adventures around the world at a young age, which inspired her interest in family medicine and desire to provide comprehensive care. 
While completing undergrad in California, she met her future husband through an online gaming community. She returned to Texas for medical school in Lubbock and the Permian Basin out in west Texas.  She married her husband after medical school, and their first daughter was born in Fort Worth during residency.  She moved north of Houston in 2018 to be closer to family.  Her son was born in summer 2019.  She joined Cypress Physicians Association in 2020.

Her specific interests are women’s health and mental health.  Outside of medicine, she enjoys travel, trying unique cuisines, board games, sci-fi and fantasy books, and spending time with family and being a mom.

Dr. Sharon McGrath is Board Certified in Family Medicine by the American Board of Family Medicine.

John Peter Smith Family Medicine Residency in Fort Worth, TX Texas Tech University Health Sciences Center School of Medicine in Lubbock, TX Bachelor of Arts in Biology at Pomona College in Claremont, CA