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Ross Schumacher, MD, is one of the skilled pulmonologists practicing at the Southwest Pulmonary Associates location in Plano, Texas. He is a versatile and compassionate pulmonary physician who joined Southwest Pulmonary Associates in 2023. His medical journey encompasses intensive care expertise and long-term patient relationships.

Dr. Schumacher completed his undergraduate studies at Indiana University in Bloomington, Indiana. He then went on to complete his Doctor of Medicine at the Indiana University School of Medicine in Indianapolis. He completed his fellowship at the University of Alabama at Birmingham (UAB) and his residency at the University of Texas-Southwestern. He earned the Critical Care Fellow of the Year at UAB in 2022 and the House Officer of Excellence at UT Southwestern in 2019. 

Dr. Schumacher is board-certified in Internal Medicine, Critical Care Medicine, and Pulmonary Medicine by the American Board of Internal Medicine. He has also been a member of CHEST and the American Thoracic Society (ATS) since 2020. Additionally, Dr. Schumacher is an advanced bronchoscopist with a focus on the robotic sampling of micronodules. 

Outside of medicine, Dr. Schumacher finds joy in his family—married to Victoria in 2020, welcomed son Dean Wilder in 2021—and a loyal dog named Hoosier. Dr. Schumacher's interests span from Kurt Vonnegut's literature to Immanuel Kant's philosophy. He's dedicated to evidence-based medicine, writing, and passionately cheering for the Hoosiers and Cowboys sports teams.

To schedule an appointment with Dr. Schumacher and the Southwest Pulmonary Associates team, call the office or request an appointment online today.

Rebecca Doebele, MD, is a board-certified pulmonologist and critical care specialist who has been providing expert respiratory care to patients in Dallas, Texas, since joining Southwest Pulmonary Associates in 2008. Known for her compassionate approach and clinical excellence, Dr. Doebele treats a wide range of pulmonary conditions, including asthma, COPD, interstitial lung disease, and critical illnesses requiring intensive care.

Dr. Doebele earned her Bachelor of Science in Genetics from Texas A&M University in College Station before completing her Doctor of Medicine at the University of Texas Southwestern Medical School in Dallas. She remained at UT Southwestern for her residency in Internal Medicine, then pursued advanced fellowship training in Pulmonary and Critical Care Medicine at the University of Colorado Health Science Center.

Board-certified in both Pulmonary Medicine and Critical Care Medicine by the American Board of Internal Medicine, Dr. Doebele has been repeatedly recognized for her clinical skill and dedication to patient care. She was named a Super Doctors Rising Star in 2012 and has earned the prestigious Texas Super Doctors distinction annually from 2013 to the present. Additionally, she received the “Physician All-Star” award from the nursing and administrative staff at Texas Health Presbyterian Hospital of Dallas, a testament to her leadership and collaboration in the hospital setting. Dr. Doebele has been recognized as one of D Magazine’s best doctors in 2021, 2023, and 2024. She also serves as the ICU Medical Director at Texas Health Dallas. 

Outside of medicine, Dr. Doebele enjoys traveling and spending time with her husband and their three children. She is proud to serve the Dallas community and is committed to helping her patients breathe easier and live healthier lives.

Kenney Weinmeister, MD is a highly experienced and board-certified pulmonologist, and critical care specialist who has been serving the community of Dallas, Texas, with distinction since 1993 as a member of Southwest Pulmonary Associates. With decades of clinical expertise and a strong academic foundation, Dr. Weinmeister is committed to delivering personalized, comprehensive care for patients with a range of respiratory and sleep-related conditions.

Dr. Weinmeister earned his Bachelor of Science in Pharmacy from Southwestern Oklahoma State University in Weatherford, Oklahoma, and went on to complete his Doctor of Medicine at the University of Oklahoma College of Medicine. He pursued fellowship training in Pulmonary and Critical Care Medicine at UT Southwestern Medical School in Dallas, one of the country’s premier academic institutions. Further enhancing his expertise in healthcare management, he also earned a Master of Business Administration (MBA) from the University of Texas at Dallas.

Dr. Weinmeister has been the recipient of D Magazine's Best Docs recogniztion several times, most recently in 2025. 

He holds board certifications in Pulmonary Medicine, and Critical Care Medicine. His clinical interests include robotics bronchoscopies with early diagnosis and treatment of complex sleep disorders, as well as chronic respiratory illnesses such as asthma, COPD, interstitial lung disease, and respiratory failure.

Dr. Weinmeister is known for his thorough, compassionate approach and his dedication to improving his patients’ long-term health and quality of life. His blend of clinical excellence and leadership continues to make him a trusted resource in pulmonary and sleep medicine across Dallas and beyond.

• Interventional Cardiology
• Cardiovascular Disease
• Echocardiography
• Certification Board of Cardiovascular Computed
• Tomography
• Registered Physician Vascular Interpretation (RPVI)
• Internal Medicine
• Certification Board of Nuclear Cardiology (CBNC)

Clinic Locations:

• Plano- Baylor Heart Hospital  4708 Alliance Boulevard Suite 500 Plano, TX 75093
• Phone: 972-941-3100 Fax: 844-292-1461

Procedures:

• Complex Coronary Interventions/CTOs
• Aortic Interventions (TAVRS, BAV)
• Mitral Clip Interventions (Mitral Clip, Pascal,TMVR, PBMV)
• Tricuspid Interventions
• Pulmonic Interventions
• Paravalvular Leaks
• Valve in Valve Interventions
• Left Atrial Appendage Closure (Watchman, Amulet)
• Left Atrial Appendage Peri Device Leak ClosurePFO, ASD, VSD
• Atherectomy (Rotational Atherectomy, Laser, CSI)
• Mechanical Circulatory Support (Impella, IABP, ECMO)
• Intra-Coronary Imaging (IVUS, OCT)
• Radial Access, Distal Radial Access, Femoral Access,Large Bore Access
• Right Heart Catheterization
• Cardiac Biopsy
• Pericardiocentesis
• IVC Filter Insertion/Removal
• Peripheral Interventions

• Interventional Cardiology
• Cardiovascular Disease
• Nuclear Cardiology
• Internal Medicine

• Baylor Scott & White Medical Center Plano
• Baylor Scott & White | The Heart Hospital Plano
• Methodist McKinney Medical Center

• Fellowship, Interventional Cardiology:  The University of Texas Health Science Center, San Antonio, TX
• Fellowship, Cardiovascular Disease:  The University of Texas Health Science Center, San Antonio, TX 
• Residency, Internal Medicine:  Cleveland Clinic Foundation, Cleveland, OH
• Internship, Internal Medicine:  Cleveland Clinic Foundation, Cleveland, OH
• Medical School, MD Degree:  University of Louisville School of Medicine, Louisville, KY
• Undergraduate: Washington University Medical School, St. Louis, MO 

HONORS/AWARDS:

• D Magazine Best Doctors in Collin County: 2022, 2026

• Women’s Cardiology
• Coronary Artery Disease
• Heart Failure
• Arrhythmias
• Hypertension
• Lipid Management
• Weight Loss
• Preventative Cardiology
• Advanced Cardiac Condition

• CTA Coronary
• Echocardiograms
• Stress Tests
• Catheterizations
• Cardiac Imaging

• Interventional Cardiology
• Cardiovascular Disease
• Echocardiography
• Internal Medicine

• Interventional Cardiology Fellowship - University of Texas Health Science Center in Houston
• Cardiovascular Disease Fellowship - University of Texas Health Center in Houston
• Internal Medicine Residency - University of Texas Health Science Center in Houston
• Medical School - Universidad Central de Venezuela Luis Razetti Medical School

• English
• Spanish

John Melek, MD, MSC, is a highly experienced, board-certified physician leading the team at The Beloved Medical Clinic, Pain and Spine in Dallas, Texas. He has specialized expertise in both internal medicine and interventional pain management. 

Dr. Melek graduated from the University of Alexandria Medical School in Egypt. He then finished his general surgery residency and two-year colorectal fellowship. Dr. Melek then relocated to the United States and completed an internal medicine residency at Mercy Hospital, affiliated with The University of Chicago Medical Center. Dr. Melek is an active member of the American Society of Pain and Neuroscience (ASPN), as well as the American Association of Interventional Pain Physicians (ASIPP).

Dr. Melek is dedicated to helping patients overcome chronic pain and regain their physical independence. He focuses on treating complex musculoskeletal and spinal conditions with safe, minimally invasive, non-surgical therapies designed to keep patients out of the operating room. 

By combining his advanced clinical training with a deeply compassionate and holistic approach, Dr. Melek creates personalized care plans that address the root causes of discomfort and significantly improve your overall quality of life. 

To schedule an appointment with Dr. Melek, call The Beloved Medical Clinic, Pain and Spine, or request an appointment online today. 

 Dr. Ava Karimi is a Board-Certified Internal Medicine Physician with an MD/MBA, blending clinical excellence with strategic leadership to deliver patient-centered, value-based care. At Southwest Mind and Body, she specializes in medical weight loss programs and functional medicine, helping patients achieve sustainable, whole-body wellness through personalized, integrative care.

Her background spans complex case management, quality improvement, and community-based preventative medicine, with a strong focus on chronic disease management and reducing disparities in care. She also holds advanced training in aesthetic medicine, complementing her holistic approach to patient wellness.

Her MBA shapes how she leads: identifying systemic inefficiencies, building collaborative teams, and implementing solutions that elevate both patient outcomes and operational performance. She is recognized for teaching excellence and a deep commitment to mentoring the next generation of physicians.

Dr. Sam Abraham is an Internist located in Richardson Texas who has been practicing medicine for more than 15 years and is board certified in Internal Medicine. His medical philosophy is to treat the whole patient through both diagnosis and education, helping to provide patients with the tools and treatment they need to prevent disease and reverse negative health impacts.

Dr. Abraham is a firm believer in cost-effective healthcare, and his clinic has been designed to provide convenient access to medical care for prompt attention, diagnosis and treatment without unnecessary tests or delays.

Dr. Abraham is not only a compassionate professional with experience working with patients of all ages, but he’s also a respected medical leader and has been an Assistant Professor of Medicine at the University of North Texas Health Science Center, where he has trained hundreds of medical students to provide the best in medical care.

He received his bachelor’s degree with a major in Biology and minor in Respiratory Therapy, Magna Cum Laude, from Stephen F. Austin State University in Nacogdoches, Texas. He completed graduate studies at the University of North Texas Health Science Center in Fort Worth and received his M.D. from University of Health Sciences, St. Johns. He completed his Internal Medicine residency at Methodist Dallas Medical Center. In addition to his internal medicine expertise, Dr. Abraham is currently completing a certification in Integrative Holistic Medicine.

Prior to establishing Texas Primary Care Center, Dr. Abraham was part of the Internal Medicine Department at Parkland Memorial Hospital as well as at the Federal Medical Center of Carswell. He has served as an Associate Medical Director of Tarrant County Correctional facility and has spent the last several years teaching and supervising Internal Medicine residents, Family Medicine residents, and other medical students.

Caring for patients with accessible, personal, and cost-effective treatment is what Dr. Abraham enjoys most, which is why he has established a new private practice in the Richardson/Plano area. Dr. Abraham has privileges at Methodist Richardson Medical Center and Plano Medical Center. He lives in Richardson with his wife and two children. He is very involved with his church, and he enjoys traveling and music.