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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.

Tess Chamakkala, DO, is excited to join the team at Endocrine and Psychiatry Center in Katy and Houston, Texas. As a skilled endocrinologist, Dr. Chamakkala is passionate about general adult endocrinology and managing conditions, including diabetes, thyroid and parathyroid disorders, and osteoporosis.

She completed her undergraduate studies at Fordham University in the Bronx neighborhood of New York City, New York, earning her Bachelor of Science in Biology. From there, she attended medical school at the New York Institute of Technology’s College of Osteopathic Medicine on Long Island. She underwent rigorous Internal Medicine residency training and later completed an Endocrinology fellowship through St. Luke’s University Health Network in Pennsylvania. She recently relocated to Texas. 

With this experience and enthusiasm for the progression of medicine, Dr. Chamakkala looks forward to welcoming new and returning patients to the practice. Contact the office nearest you to schedule an appointment or consult with Dr. Chamakkala. 

As an adult Psychiatrist, Neha Patel, DO, understands just how essential outstanding health services are in reshaping lives and improving patient outcomes. As part of the team at Endocrine and Psychiatry Center, Dr. Patel gets to know those in her care, building trusting bonds with residents of Houston, Texas.

Education has always shaped Dr. Patel’s life. She earned her medical degree from the University of Texas Medical Branch in Galveston. Dr. Patel went on to complete her residency in psychiatry at the same institution. 

Dr. Patel enjoys the challenges and complexity of working in psychiatry and especially loves helping those in her care find a path toward enhanced stability and mental health. She strives to build lasting bonds with patients. 

Residents of the greater Houston region who are 18 and older and want to make the most of their daily mental health and wellness are welcome to come in and meet with Dr. Patel to discuss treatment structure and planning. Book a visit online or by phone to learn more about her approach to mental health.  

Kumari Iyer, MD is one of the newest providers who joined Magnolia Family Medicine in the summer of 2025. She sees patients at the Cypress location around the Copperfield community at 15322 Copper Grove Blvd, Houston, TX 77095.

Dr. Iyer brings with her a wealth of experience from having worked in different healthcare fields in California and Tennessee, such as emergency medicine, urgent care, hospice and palliative care, and geriatric and outpatient primary care—her personal passion.

Dr. Iyer graduated from East Tennessee State University in 1998 and is board certified in internal medicine. She is fluent in both English and Tamil. As a mother of three, she enjoys time with her family aside from spending time in her kitchen and tending her garden. 

With years of dedication and service under her belt, Dr. Iyer is committed to delivering compassionate, personalized medical care to you and your family members. You may call (281) 356-1945 or click the “Schedule Appointment” button to select your desired date and time. For your convenience, she sees patients on Tuesdays, Wednesdays, and Thursdays until 7 pm.

Srinivas Vodnala, MD, FCCP, is a pulmonologist at Texas Multi-Specialty Group with offices in Cypress and the Methodist Willowbrook and Fallbrook neighborhoods of Houston, Texas. Dr. Vodnala is board certified in internal medicine, critical care, and pulmonary disease.

Dr. Vodnala began his medical career at Kasturba Medical College in Manipal, India, where he earned his medical degree. He then completed his residency training at Saint Vincent's Catholic Medical Center in New York City. He finished his postdoctoral clinical education with fellowships at Saint Vincent's Catholic Medical Center and Albert Einstein Medical Center.

Dr. Vodnala is a member of the American College of Chest Physicians, the American Thoracic Society, and the Society of Critical Care Medicine. He is also a member of the Harris County Medical Society and the Texas Medical Association, the largest county and state medical associations in the nation.

For top-quality, evidence-based care in the Houston area, call one of the offices or schedule an appointment today.

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. 

Lakshmy V. Ayyar, MD, FCCP is a pulmonologist at Texas Multi-Specialty Group with one office in Cypress and two in Houston, Texas. Dr. Ayyar is board certified in internal medicine, pulmonary disease, critical care, and sleep medicine. Her special interests include pulmonary disease and sleep medicine.

A native of India, Dr. Ayyar’s path to her medical career began at MGM Institute of Health Sciences in Kamothe, Navi Mumbai, where she earned her medical degree. She then came to the United States to complete residency training at the University at Buffalo, The State University of New York. She rounded out her postdoctoral clinical education with a fellowship at Baylor College of Medicine in Houston.

Dr. Ayyar enjoys helping her patients at Texas Multi-Specialty Group. When she isn’t practicing medicine, she is active in medical and professional societies, including the Texas Medical Association and the Harris County Medical Society.

Yasser Al-Khadra, MD, FACC, is a highly trained cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, and Cypress, Texas.

Dr. Al-Khadra is board certified in internal medicine, cardiology, nuclear cardiology and cardiac computed tomography. He completed his General Cardiology fellowship at Southern Illinois University School of Medicine in Springfield, Illinois. Then, went on for his Interventional Cardiology training at Wayne State University in Detroit, Michigan. During his fellowships, he was trained to perform high risk coronary procedures and chronic total occlusions.

Dr. Al-Khadra is well versed in multiple imaging modalities including PET scans, nuclear cardiology, cardiac computed tomography and echocardiography. He is skilled in complex coronary interventions, peripheral vascular interventions, patent foramen oval occlusion and management of pulmonary embolisms and deep vein thrombosis.

Dr. Al-Khadra has served as the director of study design and statistical analysis for the Cardiovascular Research Network research group and is well published with over 40 publications. His areas of interest in research include preventive cardiology, coronary artery disease, chronic total occlusions and transcatheter aortic valve replacement. His research has been presented in national and international conferences and collected many awards over the years.

Also, Dr. Al-Khadra is a professional musician who enjoys writing and arranging music on top of playing multiple instruments, the guitar being his main.

John Sunew, MD, FACC, FSCAI, is a skilled cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, Cypress and Fulshear, Texas.

Dr. Sunew is triple-board-certified in Interventional Cardiology, Cardiovascular Disease, and Nuclear Cardiology. He is listed among Top Doctors 2015 in H Texas Magazine and Houstonia Magazine. He was born in Connecticut and grew up in New York state. 

Dr. Sunew attended Amherst College in Amherst, Massachusetts, and went on to earn his medical degree at the State University of New York Health Science Center in Brooklyn, New York. He then completed his internal medicine residency and cardiology fellowship at The George Washington University Medical Center in Washington, DC. He fulfilled his interventional cardiology fellowship at Northwestern University in Chicago, Illinois.

Before moving to Katy, Texas, Dr. Sunew practiced interventional cardiology for ten years in northern Virginia. He held many leadership roles with the Inova Health System, including Medical Director of the Cardiac Catheterization Laboratory at Inova Alexandria Hospital and Chairman of the Inova Cardiology Quality Steering Committee. He was also Regional Leader for Northern Virginia in the Virginia Heart Attack Coalition. In addition, Dr. Sunew served as Assistant Professor for the Department of Internal Medicine, Virginia Commonwealth University School of Medicine Inova Campus. He was also involved in several clinical research trials and academic publications. 

Dr. Sunew can offer the latest and most innovative treatments in cardiology, interventional cardiology, and peripheral vascular disease. He provides expertise in complex coronary angioplasty procedures, peripheral arterial angioplasty, and transradial cardiac catheterization. His non-invasive skills include transesophageal echocardiography and nuclear cardiology.

James Feldman, MD, FACC, is an exceptional cardiologist at Memorial Katy Cardiology Associates in Houston, Katy and Cypress, Texas. 

Dr. Feldman was born in Houston, Texas. He grew up in the Memorial area and attended Memorial High School. He received his bachelor’s degree in Economics with honors from The University of Texas at Austin.

Dr. Feldman completed his medical training at Creighton University School of Medicine. He completed his Internal Medicine and Cardiology Fellowship at Baylor College of Medicine in Waco, Texas.  

Dr. Feldman is a board-certified cardiologist with a strong interest in medical imaging. He is also board certified in Echocardiography with Level III training. He is a proud fellow of the American College of Cardiology. 

Board-certified in cardiovascular disease, echocardiology, and internal medicine, Dr. Feldman’s clinical interests include cardiovascular diseases and internal medicine. He also has a strong interest in medical imaging.

Outside of his practice, Dr. Feldman’s favorite activity is spending time with his family.

Tariq Dayah, MD, MPH, FACC is a renowned cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, and Cypress, Texas. 

Dr. Dayah is board-certified in internal medicine, cardiovascular disease, interventional cardiovascular disease, nuclear medicine, and echocardiography. He offers expertise in preventative medicine (blood pressure, heart rate, and cholesterol control), transradial and transfemoral coronary artery interventions, interventional cardio-oncology, peripheral artery interventions, repair of congenital heart defects, such as percutaneous atrial septal defects, and the latest technology involving structural heart interventions.

Dr. Dayah is skilled in numerous noninvasive cardiac imaging modalities such as PET scans, nuclear medicine, and ultrasound imaging. He has been in practice since 2012. He is interested in the latest advancements in coronary artery disease therapies, transcatheter aortic valve replacement, and cardio-oncology. Dr. Dayah currently serves as the Director of Structural Heart at Houston Methodist West Hospital.

A fellow of the American College of Surgeons, Dr. Dayah conducts research into transcatheter aortic valves and energy drink-induced endothelial vascular dysfunction. He has published several journal articles on these research topics.

Kumari Iyer, MD is one of the newest providers who joined Magnolia Family Medicine in the summer of 2025. She sees patients at the Cypress location around the Copperfield community at 15322 Copper Grove Blvd, Houston, TX 77095.

Dr. Iyer brings with her a wealth of experience from having worked in different healthcare fields in California and Tennessee, such as emergency medicine, urgent care, hospice and palliative care, and geriatric and outpatient primary care—her personal passion.

Dr. Iyer graduated from East Tennessee State University in 1998 and is board certified in internal medicine. She is fluent in both English and Tamil. As a mother of three, she enjoys time with her family aside from spending time in her kitchen and tending her garden. 

With years of dedication and service under her belt, Dr. Iyer is committed to delivering compassionate, personalized medical care to you and your family members. You may call (281) 356-1945 or click the “Schedule Appointment” button to select your desired date and time. For your convenience, she sees patients on Tuesdays, Wednesdays, and Thursdays until 7 pm.