Dr. Christopher Ayeni, MD
Internist
27840 Johnson Rd
Tomball, TX 77375
LOCAL HEALTHCARE PROVIDERS
Tebra only allows patients to write reviews following their scheduled appointment with the provider or practice.
Tebra verifies providers before they can appear in Tebra search. Find a top-rated provider and book an appointment instantly.
252 providers
Availability last updated 05/22/2026
Dr. Christopher Ayeni, MD
Internist
27840 Johnson Rd
Tomball, TX 77375
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.
Annie Chang, DO
Internist
425 Holderrieth Blvd
Suite 202
Tomball, TX 77375
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.
Claudis Martin, FNP
Nurse Practitioner
15197 Moonlight Trail
Conroe, TX 77384
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
Internist
1205 Graham Dr
Tomball, TX 77375
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.
Dr. Ruby John
Internist
10020 Research Forest Dr
Suite D
The Woodlands, TX 77354
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
Internist
10020 Research Forest Dr
Suite D
The Woodlands, TX 77354
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
Internist
6910 FM 1488
Suite 8
Magnolia, TX 77354
Alan Mobley, MD, is a board-certified cardiovascular disease specialist, offering comprehensive diagnostic and treatment services at Heart Care of Conroe in Conroe, Texas. He has a special interest in treating coronary atherosclerotic heart disease and performing minimally invasive coronary angioplasty.
Born and raised in Houston, Texas, Dr. Mobley attended Baylor University in Waco, Texas, and the University of Kentucky in Lexington, where he completed a bachelor’s degree. He finished his medical degree at the University of Louisville in Kentucky and completed his internal medicine residency at Louisville University’s affiliated hospitals.
Dr. Mobley finished his fellowship training in cardiology with a focus in cardiac catheterization at St. Luke’s Health in Houston, Texas. He returned to Houston, where he first opened his private practice in 1980.
Dr. Mobley also specializes in the treatment and ongoing management of congestive heart failure, coronary artery disease, and other cardiovascular issues. He remains committed to taking a complete and compassionate approach to helping others prevent heart disease.
Known for his focused attention to patient care, Dr. Mobley prioritizes his patients’ health. He values the time spent with individuals while he learns about their needs and keeps lines of communication open.
Dr. Alan Mobley, MD
Internist
600 Riverpointe Dr
Suite 100
Conroe, TX 77304
Khurram Khan, MD
Internist
11511 Fm 1960 Suit 102
Huffman, TX 77336
Sayed Ahmed, MD, is a board-certified and fellowship-trained internal medicine physician at the Renal Clinic of Houston in Katy, Memorial City, and North Cypress, Texas.
Dr. Ahmed earned his bachelor’s degree at the University of Houston in Texas. He then traveled to the Caribbean to earn his doctorate at the Saba University School of Medicine in The Bottom, Saba, Dutch Caribbean. He received specialized training in dialysis modalities, including hemodialysis, peritoneal dialysis, and continuous renal replacement therapies during his fellowship at Memorial Hermann Hospital-Texas Medical Center in Houston. He also received extensive fellowship training in the care of cancer patients with kidney disease and injury at the MD Anderson Cancer Center in Houston, Texas.
A diplomate of the American Board of Internal Medicine, Dr. Ahmed maintains Texas and Louisiana state medical licenses and is a member of the American Society of Nephrology and the American College of Physicians.
Dr. Ahmed enjoys table tennis, badminton, cricket, music, and traveling. He speaks English, Urdu, Hindi, Sindhi, and Punjabi.
Dr. Sayed Ahmed, MD
Nephrologist
10726 Huffmeister Rd
Suite 250
Houston, TX 77065
Dr. Mukesh Sinha is a native Houstonian and completed his undergraduate degree at Texas A&M University in 2000. He is a 2004 graduate of The University of Texas Medical Branch, Galveston, TX. After his graduation, he relocated to Rochester, Minnesota, where he received his training in Internal Medicine at the internationally renowned Mayo Clinic. He remained at Mayo Clinic to complete his fellowship in the Division of Nephrology and Hypertension. During his fellowship he published several manuscripts and was appointed as Instructor of Medicine at the Mayo Clinic Graduate School of Medicine. He was honored with the Clinical Fellow of the Year Award for academic year 2009-2010. He joined Renal Clinic of Houston in 2010.
Dr. Sinha has his medical license in Minnesota and Texas. He is a member of the American Medical Association, American College of Physicians, American Association of Physicians of Indian Origin, American Society of Nephrology and Renal Physicians Association.
Dr. Sinha is board certified by American Board of Internal Medicine (ABIM) as a Diplomate in Nephrology.
Dr. Mukesh Sinha, MD
Nephrologist
10726 Huffmeister Rd
Suite 250
Houston, TX 77065
Dr. Christopher Ayeni, MD
Internist
21216 Northwest Fwy
Cypress, TX 77429
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.
Dr. Srinivas Vodnala, MD
Pulmonologist
10726 Huffmeister Rd
Suite 200
Houston, TX 77065
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.
Dr. Dileep Puppala, MD
Pulmonologist
10726 Huffmeister Rd
Suite 200
Houston, TX 77065
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.
Dr. Harman Kular, MD
Pulmonologist
10726 Huffmeister Rd
Suite 200
Houston, TX 77065
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.
Dr. Lakshmy Ayyar, MD
Pulmonologist
10726 Huffmeister Rd
Suite 200
Houston, TX 77065
Akram Shakhashiro, MD
Internist
1800 W 26th St
Houston, TX 77008