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Dr. Mamillapalli is a compassionate cardiologist specializing in personal, evidence-based care with a passion for women’s health. She earned her undergraduate and medical degrees from the University of Connecticut, where she received the Leonard Tow Humanism in Medicine Award. She completed her Internal Medicine residency at the University of Minnesota and served veterans at the Minneapolis VA Hospital before training in General and Interventional Cardiology at Northwell Health in New York, where she was Chief Fellow. 

Board-certified in Internal Medicine, Cardiovascular Disease, Echocardiography, and Nuclear Medicine, she brings extensive expertise in cardiovascular procedures along with a strong focus on prevention and advocacy for women’s cardiovascular health. Patients value her empathy and patient-centered approach. Outside of medicine, she enjoys horseback riding, staying active, exploring Texas, and time with her family. 

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.

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.

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. 

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.

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.

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.

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.

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. 

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 and Thursdays until 7 pm at the Cypress location and on Wednesdays she sees patients at the Walk-in location until 7 pm.