Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Board-certified osteopathic physician who specializes in Infectious Disease, Wound Care, Undersea (Dive) and Hyperbaric Medicine, and Natural Pain Management - with the use of Osteopathic Manipulative medicine and other modalities. He runs a multidisciplinary medical practice with primary interest in Natural Pain Relief
Nominated for Best Resident Teacher Award by medical students as residents (2002)
Elected UW Alumni Representative for class 2001 - University of Washington School of Medicine (2001)
Klea Bartirakas Award - Western Regional Medical Student Research Forum, Carmel, CA, Best Oral Presentation out of over 400 medical students from all over North America (2000)
Best Oral Research Presentation, National Student Research Forum, Galveston, TX - In Epidemiology and Infectious Diseases for AIDS project in North India (1999)
Elected Medical Student Association (MSA) Class Secretary (1999)
Baylor Scott & White | The Heart Hospital - Denton
Baylor Scott & White | The Heart Hospital - Plano
Methodist Richardson Medical Center
EDUCATION:
Fellowship, Interventional Cardiology: Saint Vincent’s Hospital and Medical Centers, NY
Fellowship, Cardiovascular Disease: Saint Vincent’s Hospital and Medical Centers, NY
Residency, Internal Medicine: Albert Einstein College of Medicine/Montefiore Medical Center, NY
Medical School, MD Degree: SUNY Stonybrook School of Medicine, NY
Undergraduate, BS Degree: CUNY City College, NY
HONORS/AWARDS:
Saint Vincent’s Hospital and Medical Centers, New York (2007-2008)
Saint Vincent’s Hospital and Medical Centers, New York (2004-2007)
Albert Einstein College of Medicine/Montefiore Medical Center, New York (2001-2004)
SUNY Stonybrook School of Medicine, New York (1994-2001)
CUNY City College, New York (1994-2001)
PROFESSIONAL APPOINTMENTS:
Medical Executive Committee, Member - Baylor Scott and White Medical Center at Garland, Texas (2012-2018)
American Heart Association/Fellows Society of Greater New York, Fellow Liaison – St. Vincent's Hospital, NY (2005-2006)
PROFESSIONAL ASSOCIATIONS:
The Society of Cardiovascular Angiography and Interventions, SCAI-Member (2007-present)
North American Society of Cardiovascular Imaging, NASCI-Member (2006-present)
American Society of Echocardiography, ASE-Member (2004-present)
American Society of Nuclear Cardiology, ASNC-Affiliate Member (2004-present)
American College of Cardiology, ACC-Member (2004-present)
American Heart Association, AHA-Member (2004-present)
American Medical Association, AMA-Member (2001-present)
PUBLICATIONS:
Research:
Co-Investigator, "Vascular Supply of the Anterobasal Segment of the Left Ventricle, Retrospective review of 45 consecutive coronary angiography cases looking at the Anterobasal Segment contractility along with patency of the native Left Anterior Descending Artery and Left Internal Mammary Artery." (2005-2006)
Co-Investigator, Worked with Dr.Thierry LeJemtel on the Brain Natriuretic Peptide (BNP) study. The purpose of the project was to determine if BNP levels could be used to determine the cardiovascular status of patients with Congestive Heart Failure (2002)
Presentations:
Presentation: Pre-Op Clearance to the Anesthesia department at St.Vincent's Hospital and Medical Center. (2006)
Electrocardiogram Interpretation for medical students and house staff at St. Vincent's Hospital and Medical Center/New York Medical College. (2004-2006)
Over 100 presentations through out fellowship in case management conferences, cardiac catheterization conferences, M & M and cardiac surgical conferences, Journal club conferences, Cardiac Critical Care conferences, EP, Echo, EKG, CHF and Nuclear conferences
Fellowship, Interventional Cardiology: Baylor College of Medicine, Houston, TX
Fellowship, Cardiovascular Disease: Baylor College of Medicine, Houston, TX
Residency, Internal Medicine: Baylor College of Medicine, Houston, TX
Medical School, MD Degree: Medical College of Virginia, Virginia Commonwealth, Richmond, Virginia
Graduate School, Masters of Science in Physiology Degree: Medical College of Virginia, Virginia Commonwealth, Richmond, Virginia
Undergraduate, Bachelors of Science in Biology Degree (Departmental Honors): Mary Washington College, Fredericksburg, Virginia
PROCEDURAL SKILLS:
Complex Coronary & Peripheral Interventions
Heart Catheterizations
Percutaneous Support Devices (Impella, IABP)
Venous Reflux Disease & Ablation Therapy
TAVR
PUBLICATIONS/MEDIA:
Publications:
Brown WR, Levine, G. “Chest Pains and Angina”. In Levine, G, Cardiology Secrets (4th , pp. 110-116). Philadelphia, PA: Elsevier Saunders. (2014).
Salloum FN, Abbate A, Houser J, Mudrick C, Roy S, Brown WR, Qureshi I, Prabhakar S and Kukreja R. “Sildenafil (Viagra) Attenuates Ischemic Cardiomyopathy and Improves Left Ventricular Function in Mice”. Am J Physiol Heart Circ Physiol. 2008 Mar;294(3):H1398-406. Epub. Jan 25, 2008.
Majid M, Brown WR, Divakaran V, Virani S. “Pulmonic Valve Endocarditis, A Case Report.” Submitted to Texas Heart Inst Journal.
Divakaran VG, Brown WR, Virani S. “Images in Echocardiography: A Freely Floating Saphenous Vein Graft.” Echocardiography. Vol 26. Aug, 2009.
Brown WR. Assisted Drs. R. Kukreja and F. Salloum in the investigation of PDE-5 inhibitors and their role in cardio protection. “Chronic Inhibition of PDE-5 with Sildenafil (Viagra) Attenuates Ischemic Cardiomyopathy and Improves Left Ventricular Function in Mice”. 2007.
Brown WR. Worked with Dr. T. Duane (Trauma Surgery) in the Medical College of Virginia Emergency Department. This research considered the value of pelvic/cervical spine films, and outcomes in various patient populations, including the obese and the diabetic patient. “The Role and Influence of Plain Films and Patient Demographics on Outcomes in the Trauma Bay." 2006.
Brown WR. Worked with Dr. J. Feher to complete a thesis in physiology research. “Continuous Chemiluminescent Measurement of Superoxide in Intact Rat Hearts During Ischemia-Reperfusion.” 2002-2003.
Brown WR. As a candidate for Biology departmental honors, worked with Dr. K. Loesser to complete a thesis in biological research. In May of 2001, presented research to the Virginia Academy of Science. The work subsequently appeared in the Academy’s publication. “Vitamin E: Efficacy of Gamma-Tocopherol vs. Alpha-Tocopherol in Atherosclerosis Prevention.” 2000-2001.
Poster Presentations:
Oliver PA, Brown WR, Regan C, Stoltzfus J, Ornato JP. “Correlation Between Heart Rate in Pre-Hospital Patients In Atrial Fibrillation With Rapid Ventricular Response And Blood Serum Magnesium Levels”. AAEM meeting, Las Vegas, NV. Feb 2010.
Salloum F, Abbate A, Brown WR, Hoke N, Kukreja RC. “Phosphodiesterase Inhibitors Reduce Myocardial Infarction, Apoptosis and Improve Post Ischemic Ventricular Function in Female Mice”. ACC meeting, Chicago, IL. March, 2008.
Ramon (Ray) Kumar, M.D., is board-certified in cardiovascular disease and interventional cardiology. He specializes in coronary artery disease, peripheral vascular disease, congestive heart failure, palpitations, and valve disease. Dr. Kumar practices at HeartPlace Allen, Texas, where he is committed to providing the highest quality of care to his patients.
Dr. Kumar earned his Doctor of Medicine degree at UT Southwestern in Dallas, Texas. He completed his residency in internal medicine at Harvard Medical School/Beth Israel in Boston, Massachusetts, followed by multiple fellowships at the prestigious Texas Heart Institute in Houston, Texas.
Dr. Kumar has long served as a leader in the field of cardiology. His extensive experience includes directing catheterization labs and serving as STEMI Director in multiple healthcare systems, ensuring optimal care for acute heart attack patients. With his expertise in peripheral vascular interventions, complex coronary revascularization, and valve disease procedures, Dr. Kumar often manages challenging cases referred from across Texas and beyond.
Dr. Kumar’s dedication to his patients stems from a personal commitment to treating each individual like family, inspired by his own experiences. Outside of his medical practice, Dr. Kumar enjoys spending time with his wife and three children, weightlifting, swimming, playing pickleball, and exploring physics and philosophy.
BOARD CERTIFICATIONS:
Cardiovascular Disease
Interventional Cardiology
EDUCATION:
Fellowship, Interventional Cardiology: Texas Heart Institute, Houston, TX
Residency, Internal Medicine: Harvard Medical School/Beth Israel, Boston, MA
Medical School, MD Degree: UT Southwestern, Dallas, TX
HONORS & AWARDS:
Outstanding Resident Teacher Award, Harvard Medical School
Chief Interventional Fellow, Texas Heart Institute
OFFICE LOCATION:
HeartPlace Allen 1105 N. Central Expy., Bldg. 2 Ste. 2330 Allen, TX 75013
Ambulatory Care Achievement Award, Baylor College of Medicine (June 2014)
Outstanding Student Award, Department of Internal Medicine, Texas Tech School of Medicine (2011)
Alpha Omega Alpha Honor Medical Society (2010-present)
University Scholar Award (2005-2006, 2006-2007)
Honoree for College of Science Academic Excellence Reception (2003)
The National Dean's List (2002-2007)
PUBLICATIONS/MEDIA:
Thamwiwat, A, Sudhakar D, Paniagua D, and Denktas AE. Suspected coronary fat embolism after liposuction. Catheter Cardiovasc Interv. 2018;1-4.
Thamwiwat A, Levine GN. Chapter 14: Chest pains and Angina. Cardiology Secrets, 5th Edition. Ed. Glenn N. Levine. Philadelphia: Elsevier, 2018.125-134. Print.
Thamwiwat A, Mejia R, Nutman TB, Bates JT. (2014). Strongyloidiasis as a cause of chronic diarrhea, identified using next-generation Strongyloides stercoralis-specific immunoassays. Curr Trop Med Rep. 2014; 1:145-147.
Hira RS, Thamwiwat A, Kar B. Tandem. Heart placement for cardiogenic shock in acute severe mitral regurgitation and right ventricular failure. Catheter Cardiovascular Interv. 2014;82(2):319-322.
Danielle Maskell, PMHNP-BC, is a dedicated Psychiatric Nurse Practitioner at Texas Advance Behavioral Health in Arlington, Texas. With over 29 years of acute care nursing experience, Danielle brings a wealth of expertise to her role, specializing in the diagnosis and treatment of complex mental health conditions across pediatric, adult, and geriatric populations. Her passion lies in providing compassionate care to individuals facing dual diagnoses, underserved communities, and those experiencing severe mental health challenges.
Danielle's commitment to psychiatric care is deeply personal, driven by her professional experiences working with the homeless population and supporting family members with mental health needs. She holds a Master's Degree in Nursing from the University of Texas at Arlington and completed her clinical practicums at Texas Advance Behavioral Health, MHMR Tarrant County, and Mayhill Hospital. She is board-certified as a Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) and holds active RN and APRN licenses in Texas.
Throughout her career, Danielle has treated a broad range of conditions, including ADHD, generalized anxiety disorder (GAD), major depressive disorder (MDD), bipolar disorder, schizophrenia, substance use disorders, and PTSD. She is skilled in telehealth services and trauma-focused cognitive behavioral therapy (CBT).
Danielle is a member of the American Psychiatric Nurses Association and the Psychiatric Advanced Practice Nurses of North Texas. Her leadership roles and volunteer work, including contributions to Union Gospel Mission and Habitat for Humanity, reflect her dedication to both patient care and community service.
Eunice Nyamichaba, APRN-CNP, is a dedicated Psychiatric Nurse Practitioner at Texas Advance Behavioral Health in Arlington, Texas. With a strong background in behavioral health nursing and a passion for patient-centered care, Eunice specializes in assessing, diagnosing, and treating individuals with complex mental health conditions. She works with patients across all age groups, from children and adolescents to adults and geriatric populations, providing comprehensive mental health care tailored to each individual's needs.
Eunice earned her Master of Science in Mental Health Nursing from Walden University and holds a Bachelor of Science in Nursing from Southwestern Adventist University. She is a board-certified Advanced Practice Registered Nurse (APRN-CNP) with certifications in Basic Life Support (BLS) and Handle with Care Crisis Intervention techniques. Her clinical expertise includes crisis intervention, patient assessment, preventative health, and infection control.
Before joining Texas Advance Behavioral Health, Eunice gained extensive experience as a Behavioral Health Registered Nurse, working in travel nursing roles at John Peter Smith Hospital, Santa Rosa Behavioral Health Hospital, Telecare Crisis Center, and Atascadero State Hospital. She provided acute psychiatric care to diverse patient groups, including those with addiction, forensic psychiatric needs, and long-term mental health disorders.
Known for her leadership and collaborative approach, Eunice has served as a charge nurse, preceptor, and patient advocate. Fluent in English, Kiswahili, and Ekegusii, she is committed to improving mental health outcomes within diverse communities.
