About Us:

We designed the office with a lot of care to welcome you into a friendly and caring environment. We want to you to feel comfortable in our office. Our practice is built from families starting with newborns to great grandparents. We strive for your comfort in our office because we believe that it is an integral part of caring for every patient. Please share with us your experience in the remarks/survey section so we can continue to improve our services.

Feras Elhajj, M.D.​

Dr. Elhajj is a graduate of the University of Houston and St. George’s University School of Medicine. A strong advocate for patient education, Dr. Elhajj works closely with his patients so they have a clear understanding of their care. He enjoys treating a wide variety of age groups and delving into medical problems from the most simple to the most complex. He is involved in several civic organizations in Magnolia and The Woodlands. Dr. Elhajj is board certified in family medicine.

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Amandeep Kaur, MD
Amandeep Kaur, MD​

In January 2024, Dr. Kaur joined us at our newest location in Tomball, i moving from Austin where she was practicing outpatient Family Medicine.  She completed her residency training at LSU Memorial Hospital Lake Charge Louisiana.  Dr. Kau has a special interest in Diabetes, hypertension and chronic diseases.   She completed a fellow in Geriatric in 2016-2017.  Dr. Kaur is Board Certified in Family Medicine.

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Brittany Wisniewski, PA

Brittany Wisniewski is a board certified Physician Associate who studied Biomedical Science at Texas A&M University and earned her master’s degree from The University of Texas Medical Branch. Brittany is a native Houstonian who currently resides in Magnolia, TX with her husband and two dogs. She is passionate about providing patient-centered care to all age ranges with special interests in dermatology, women’s health and preventative medicine.

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Wei Han, MD

Dr. Han Graduated from UTMB Galveston medical school, medicine residency in Victoria Texas. He moved to Magnolia Family Medicine from San Antonio where he spent a lot of time taking care of underserved and less priveliged communities.  He enjoys seeing patient of all ages.  He is Board Certified in Family Medicine.   He is our main provider in our Old Magnolia Location. 

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Andrea Jervis, MD

Dr. Jervis-Woolf is board certified in Family Medicine. She obtained her Medical degree from Universidad Internacional del Ecuador and completed her Residency in Family Medicine at St. Elizabeth Medical Center in NY. Dr. Jervis-Woolf enjoy treating patients of all ages and has a special interest in preventive medicine, Diabetes and Women’s health. In her time off, Dr. Jervis enjoys spending time with her family and travelling.

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Amitkumar Patel, MD

Dr. Patel is a board-certified Family Medicine physician.  He completed his medical residency at LSU Health Science Center in Shreveport, LA.  He attained his doctorate in medicine from Ross University School of Medicine.  He strives to provide his community with thorough, accurate, and evidence-based healthcare. Dr. Patel has been trained to treat patients of all ages.  He is well rounded and can treat a multitude of health conditions.  His interest is in treating common endocrine disorders such as diabetes and thyroid disorders.  He is well trained in preventative medicine.  Dr. Patel loves to read and spend time with his family.  He also enjoys traveling around the world.

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Filza Jalees, DO

Dr.  Jalees is originally from Queens, New York. She recently completed her training in family medicine at United Memorial Medical Center – Rochester Regional Health and received her doctorate degree from New York Institute of Technology, College of Osteopathic Medicine in Long Island NY.  Dr Jalees enjoys travel, spending time with her family, and baking. She likes to keep up to date with recent medical guidelines and educating patients about it.

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Jerod Mckeen, NP

Jerod McKeehan, FNP-C is a board certified Family Nurse Practitioner. He received his Bachelor’s of Science in Nursing from University of Louisiana at Lafayette, and practiced as an RN in for 8 years in Cardiac Critical Care and Emergency Nursing. He received his Master’s of Science in Nursing from Maryville University. He strives to provide the best patient centered care. In his off time, Jerod enjoys spending time with family and friends, traveling, cooking, and being a dad.

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Toni Vollmer, NP

Toni Vollmer, Family Nurse Practitioner, joined Magnolia Family Medicine after relocating back home to Texas.

She practiced as a hospitalist NP for 3.5 years. Prior to that, she was a bedside nurse spending 18 years in the field of critical intensive care. She brings 21 years of medical experience to our practice.

She loves spending time with family and friends and is always ready for a new adventure. She is constantly ready to learn and is looking forward to seeing you.

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Christian Dyhianto, MD

Dr. Christian Dyhianto (dee-yawn-toe) is board certified in Family Medicine. He completed his residency program through Baylor College of Medicine at the Texas Medical Center. He obtained his medical degree from the University of the Philippines. Dr. Dyhianto believes in the value of prevention and empowering his patients through advocacy, education and communication. He enjoys seeing patients from all age range, and managing a wide spectrum medical problems.

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Caroline Sizemore, PA

Caroline Sizemore is a board certified physician assistant who studied Biology at Oklahoma Christian University and earned her master’s degree from Harding University near Little Rock, Arkansas. Caroline grew up in The Woodlands and she’s very excited to be living back in Houston area. Her hobbies include baking, spending time with friends and family and traveling. She enjoys treating a variety of patients and has a passion for patient education and chronic care.

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Alexandra Borsboom, NP

Alexandra Borsboom, NP is a board certified Adult-Geriatric Nurse Practitioner. She obtained a Bachelor of Science in Nursing from The University of Texas Health Science Center in Houston, and practiced as an RN for 5 years before obtaining her master’s degree from The University of Texas Medical Branch at Galveston. Codie enjoys treating a wide variety of patients with special interest in preventative medicine and gerontology. She believes that trust and collaboration are the foundation for her patient-provider relationships.

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Wendy Valencia, PA

Wendy Valencia is a board-certified physician assistant. She received her Bachelor of Science in biology at Lamar University and holds a Master in Physician Assistant Studies from the University of Texas- Rio Grande Valley.

Originally from Port Neches, Texas, Wendy is new to The Woodlands and is eager to embrace the community. Her goal is to educate and empower patients to improve their health and wellbeing through preventative care, lifestyle changes, and treatment of acute and chronic conditions.

In her free time, she enjoys trying new restaurants, outdoor activities, yoga, and spending time with family and friends. Wendy is also bilingual in Spanish.

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Jennifer Padilla, NP

Jennifer Padilla is a board certified family nurse practitioner.  She earned a Bachelor of Science in Biomedical Science from Texas A&M University, a Bachelor of Science in Nursing from the University of Houston, and a Master of Science in Nursing from Houston Baptist University.  She practiced as a registered nurse in critical care and pediatrics prior to pursuing her professional degree.  She has a passion for holistic, patient-centered care and patient education across the lifespan.  Building a trusting relationship with the patient and their family is central to her practice.  She spends her time outside work with her husband and 3 children, traveling, playing sports, and enjoying the outdoors whenever possible.  She looks forward to becoming part of your journey toward wellness! 

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Maria Delost, NP

Maria Delost is a board-certified Family Nurse Practitioner. She received her Bachelor’s degree in Nursing in the Philippines and practiced as an RN for 10 years in the US, doing chronic care before receiving her Master’s of Science in Nursing from Chamberlain University. She believes in a holistic approach to encourage disease prevention and promote long-term health. In her spare time, she enjoys crafts and making skin products. She was a practicing Pharmacist in her home country before getting her nursing degree and decided to focus on serving others with medical needs.

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Laura Gerla, MD

Dr Gerla joined the Magnolia Family Medicine Team in November 2022.  She loves seeing patients of all ages.   She is Board Certified in Family Medicine.   She worked in Corpus Christi as Hospitalist for a few years before going back to primary care.   She is dedicated to her patients and loves a challenge.   She completed her medical degree  at Texas A&M University Health Science Center and then her Residency at Conroe Family Medicine 

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Billy Pham, MD

Dr. Bao “Billy” Pham grew up in Sugarland, TX.  He attended the University of Texas at Austin and then got his medical degree from Texas Tech.  He previously worked in Fayetteville,  Arkansas and Dallas, Texas.  Dr. Pham is new to the Cypress area but all of his friends from high school currently live in the Northwest part of Houston.  He is Board Certified in Family Medicine. In his spare time, he enjoys bicycling and is an aspiring home chef.  Dr. Pham loves traveling and is an experienced micro-budget traveler!  His most favorite place to travel is Japan. He is currently the Lead Physician at our Cypress location. 

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Youstina Zakaria, DPM

Dr. Youstina Zakaria is a foot and ankle doctor who joined Magnolia Family Medicine as the director of Magnolia Family Podiatry. She is a board-certified podiatrist who obtained her podiatric medical degree at the New York College of Podiatric Medicine in New York, NY. She then completed a rigorous surgical residency program at Richmond University Medical Center in Staten Island, NY, where she was trained in all aspects of foot and ankle care like diabetic foot care, wound care, limb salvage, fracture care, elective surgery, etc. She believes in implementing a patient-centered treatment plan that is geared to each patient’s goals in order to achieve the greatest outcomes. When she’s not treating patients, Dr. Zakaria loves to spend time outdoors with her husband and son.

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