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Annie Chang, PA-C, is a board-certified physician assistant at Heights Dermatology in Houston. 

Annie is originally from the Houston area and attended high school at St. Agnes Academy. She graduated from the University of Texas with a Bachelor of Science and Arts in Nutrition in Business. She obtained her Master of Physician Assistant Studies from UTMB in 2019. 

Before completing her graduate studies, she gained hands-on experience working as a clinical care coordinator in hepatology at the Houston Medical Center.

In addition to her background in nutrition, Annie holds a keen interest in skin care and in preventative medicine through lifestyle and diet. Building a strong relationship with every patient is an integral part of her practice. Having received personal training in dermatology from Dr. Alpesh Desai, DO, and Tejas Desai, DO, Annie practices medical dermatology, skin cancer surgeries, and other various skin procedures. Annie regularly pursues her continuing medical education in dermatology to provide the highest quality care for her patients.

She is currently a member of the Society of Dermatology Physician Assistants, American Academy of Physician Assistants, Texas Association of Physician Assistants, and Texas Gulf Coast Physician Assistant Association. In her free time, Annie enjoys cooking, crafting, and spending time with her husband and English bulldog, Rex.

Andrew Martin, MSN, APRN, FNP-C, is a board-certified family nurse practitioner at Southern Secrets Med Spa and Clinic in Conroe, Texas. He takes a integrative approach to healing that avoids overreliance on pharmaceuticals.

Andrew earned an associate’s degree at the Lower Columbia College, College of Nursing in Longview, Washington, before completing his Bachelor of Science in nursing with honors at the University of Texas College of Nursing in Arlington. He fulfilled a master’s degree and post-graduate program at the University of Texas Health Science Center in Houston to earn the family nurse practitioner credentials and certification in emergency and trauma. 

Before joining Southern Secrets Med Spa and Clinic, Andrew worked as an emergency center staff nurse in the busiest Level III trauma center in Texas and as a charge nurse in a chemical detox unit. He is a member of the American Academy of Emergency Nurse Practitioners, the American Association of Nurse Practitioners, and the Sigma Theta Tau.

When he’s not at work, Andrew enjoys spending time with his wife and four children. He likes being outdoors, hiking, hunting, fishing, and hopes to obtain his pilot’s license someday.

Allison Walworth, DO, is a board-certified Internal Medicine physician who joins Magnolia Family Medicine with years of experience. Dr. Walworth completed her internal medicine residency at Medical City Arlington in Arlington, TX and earned her medical degree from Burrell College of Osteopathic Medicine in Las Cruces, NM.

She is committed to evidence-based care with a patient-centered focus and welcomes adult patients with a personalized touch. Outside of work, Dr. Walworth enjoys reading--especially Golden Age science fiction and watching classic movies.

Schedule a visit with Dr. Walworth today by clicking on the Schedule Appointment button or call our office at (281) 356-1945 to reserve your slot at your ideal day and time. 

Ruby Samuel John, MD, is a board-certified internal medicine physician dedicated to providing compassionate, patient-centered care. She provides expert care to patients at Magnolia Family Medicine in Magnolia, Texas.

Dr. John earned her medical degree from Windsor University School of Medicine in 2005 and completed her residency at Rutgers NJ Medical School in Newark, where she was honored with the Most Humanistic Award in 2009. She went on to serve as Chief Resident and later as an Assistant Clinical Professor at University Hospital until 2011.

Dr. John devoted ten years to the Primary Care Clinic of North Texas, a non-profit organization serving the uninsured. Her commitment to underserved populations was recognized at the Lone Star Cares Fundraising Gala, where she received the Care and Compassion Award in 2014.

Dr. John’s philosophy of care emphasizes listening, trust, and prevention. She believes that effective medicine begins with understanding the whole patient, not just treating symptoms. By encouraging healthy lifestyle choices and focusing on preventive care, she helps her patients reduce the risk of both acute and chronic illness while improving overall wellness.

Outside of her practice, Dr. John enjoys spending time with her husband and their three active boys. She can often be found running outdoors or serving her local church community.

Allison Walworth, DO, is a board-certified Internal Medicine physician who joins Magnolia Family Medicine with years of experience. Dr. Walworth completed her internal medicine residency at Medical City Arlington in Arlington, TX and earned her medical degree from Burrell College of Osteopathic Medicine in Las Cruces, NM.

She is committed to evidence-based care with a patient-centered focus and welcomes adult patients with a personalized touch. Outside of work, Dr. Walworth enjoys reading--especially Golden Age science fiction and watching classic movies.

Schedule a visit with Dr. Walworth today by clicking on the Schedule Appointment button or call our office at (281) 356-1945 to reserve your slot at your ideal day and time. 

Allison Walworth, DO, is a board-certified Internal Medicine physician who joins Magnolia Family Medicine with years of experience. Dr. Walworth completed her internal medicine residency at Medical City Arlington in Arlington, TX and earned her medical degree from Burrell College of Osteopathic Medicine in Las Cruces, NM.

She is committed to evidence-based care with a patient-centered focus and welcomes adult patients with a personalized touch. Outside of work, Dr. Walworth enjoys reading--especially Golden Age science fiction and watching classic movies.

Schedule a visit with Dr. Walworth today by clicking on the Schedule Appointment button or call our office at (281) 356-1945 to reserve your slot at your ideal day and time. 

Dileep Puppala, MD, FCCP, FAASM, is a pulmonologist at Texas Multi-Specialty Group, located in Houston and Cypress, Texas. Dr. Puppala is board certified in pulmonary, critical care, and sleep medicine. He has been in practice for 12 years throughout northwest Houston. 

Dr. Puppala earned his medical degree from Andhra Pradesh University Of Medical Sciences in India. He completed his residency in internal medicine at Saint Vincent's Catholic Medical Center in New York City. Following residency, Dr. Puppala completed a sleep fellowship at Sleep and Wake Disorder Center at New York Hospital - Cornell University, and two pulmonary and critical care fellowships at Memorial Sloan-Kettering and The New York Hospital Medical Center of Queens.

Dr. Puppala has extensive experience in medical leadership. He served as the Medical Director of the medical and surgical intensive care department, the Medical Director of respiratory therapy, and the Chairman of the critical care committee at Houston Methodist Willowbrook Hospital. Since 2004, Dr. Puppala has held the position of Medical Director of the sleep disorder center at Cypress Fairbanks Medical Center in Harris County, Texas. He is also a member of Infection Control and Pharmacy and Therapeutics, Co-Director of Critical Care Services and Respiratory Therapy Departments, and Co-Chairman of Critical Care Committee at North Cypress Medical Center in Cypress, Texas.

Dr. Puppala remains active in his field and holds memberships with many professional organizations. He is a member of the American College of Chest Physicians, the American Medical Association, the Texas Medical Association, the American Academy of Sleep Medicine, and the American Association of Physicians of Indian Origin. 

Dr. Puppala has special interests in complicated sleep-disordered breathing, narcolepsy, parasomnias, pulmonary hypertension, pulmonary embolism, interstitial lung diseases, lung cancer, pneumonia, asthma, and more. He performs specialized procedures including bronchoscopy with transbronchial lung biopsies, complicated airway management, percutaneous tracheostomy, chest tube placement, and pulmonary artery catheter placement. He interprets pulmonary function tests, methacholine challenge tests, cardiopulmonary stress tests, diagnostic sleep studies, CPAP titration studies, and multiple sleep latency tests. 

When he’s not working, Dr. Puppala enjoys spending time with his wife and two sons. His hobbies include traveling, tennis, reading about world affairs, and cooking.

Harman Kular, MD specializes in critical care and pulmonary medicine. He is board certified in internal medicine and pulmonary medicine and board eligible in critical care. Dr. Kular completed all of his medical educaton and training through Baylor College of Medicine, which allowed him to practice in a wide variety of settings within the Texas Medical Center, including the Harris Health System and the Veterans Affairs Health System. He believes in providing evidence-based, patient-centered care and has experience with a full spectrum of pulmonary conditions including infectious diseases as well as pleural and lung malignancies. 

Dr. Kular was born and raised in South Texas. He is a proud Houstonian, a faithful Astros fan and a Tex-Mex connoisseur. He lives in Houston with his wife, Sonia, and puppy, Sammy.