1012 Campbell Rd,
Houston, TX 77055
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(832) 460-6468
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The Campbell Medical Team

Dr. Cheryl Johnson, MD

A graduate of the University of Texas Health Science Center, Dr. Cheryl Johnson has been a family practice physician for over 18 years. She is excited to be a supervising medical director for Campbell Medical Group and is absolutely passionate about patient care. She is excited to be working in a multidisciplinary environment where conservative methods for chronic conditions are offered.


Dr. Suhyun An, DC, MSN, NP-C.

Dr. Suhyun AnDr. An is a cum laude graduate of prestigious Parker College of Chiropractic. A long time resident of Houston, she majored in biochemistry and biophysical science at the University of Houston. After working at the MD Anderson Cancer center, she chose the career of chiropractic to help patients lead healthy and wellness lifestyle. She was the highest trained Chiropractic Biophysics practitioner in Houston, has been a guest speaker to Houston Energy Football team, Memorial Drive Methodist Church, numerous other organizations.

She is currently enrolled in Fellowship program in Stem Cell Therapy with American Academy of Anti-aging. Dr. An is also a published author. Her works include “The Pain Free Knee” (available on Amazon) and “Stem Cell Therapy,” scheduled to be available the first week of February. Dr. An frequently travels across the country to bring the latest technology and treatment to Campbell Medical Group and network with top doctors around the country and often consults other clinics and doctors on regenerative medicine.

Fueled by her desire to expand the scope of practice, Dr. An finished her bachelor’s degree in nursing and master’s degree in family nurse practitioner. When she’s not working she enjoys hiking with her dog and cycling.


Claudis Andrew Martin, MSN, APRN, FNP-C (Medical Provider)

Claudis Andrew MartinAndrew is a family nurse practitioner with certification in emergency medicine. He also holds certifications in PRP and Stem cell therapy, botox and filler. Even though Andrew has an extensive background in traditional medicine and emergency care, his true passion is natural health care and helping patients regain health without drugs. Andrew also in charge of bio identical hormone department at Campbell Medical Group.

Andrew is an outdoors guy and loves to go fishing, hiking, hunting and anything that allows him to spend time with his family.


Dr. Bryan Hicks, DC

Bryan HicksDr. Bryan Hicks is a native of Weatherford, Ok. He completed his undergraduate requirements at Southwestern Oklahoma State University and University of Central Oklahoma prior to entering Parker University for Chiropractic. While attending Parker he was active in the cycling club, laser club and animal chiropractic club. He focused on Diversified, Thompson, Flexion/Distraction and extremity chiropractic techniques. Before completing his undergraduate requirements, he worked as a chiropractic assistant for eight years which led to become a chiropractor. Dr. Hicks is a certified massage therapist. He also enjoys playing soccer, volleyball and the guitar.


Dr. Shahram Shakeri, DC

Shahram ShakeriOriginally a civil engineer, Dr. Shakeri was motivated to pursue a medical career by a deep commitment to community service. He studied bachelor’s degree in biology and chemistry at the University of Houston and graduated from Texas Chiropractic College as a doctor of chiropractic. He has accumulated vast experience as a chiropractor since graduating and has become a highly sought after as a professional clinician. During his time off, Dr. Shakeri enjoys spending time with his wife and two young daughters.

How Do Our Patients Feel About Us?
"Excellent Clinic! The staff were very helpful and polite from my initial phone call to every appointment day. All the doctors are friendly and knowledgeable. They took the time to explain my condition and my treatment options. Glad to find this clinic who can finally end my back pain!" Susan B.
"Dr. An is great and so is her staff. I saw her about 24 hours after an ankle injury - she recommended PRP injections. Now it's 3 days after the PRP treatment and I'm back to teaching and practicing yoga. I highly recommend Campbell Medical Group." Hope W.
More Reviews From Happy Patients
- Johnson Medical Group PLLC DBA Campbell Medical Clinic
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