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.
Mark Robertshaw, MD, is a board-certified pulmonologist and critical care medicine specialist proudly serving patients in Plano, Texas. He joined Southwest Pulmonary Associates in 2023, bringing with him a wealth of clinical experience and a compassionate, patient-centered approach to care.
Dr. Robertshaw completed his fellowship in Pulmonary and Critical Care Medicine at UT Southwestern Medical Center in Dallas, Texas, where he was honored to serve as Chief Fellow during the 2022–2023 academic year. He completed his residency training at Duke University Hospital in Durham, North Carolina, and earned his medical degree from the University of Missouri in Columbia. His academic journey began at the University of Notre Dame in South Bend, Indiana, where he received his Bachelor of Science and developed a lifelong passion for Fighting Irish football.
Board certified by the American Board of Internal Medicine in both Pulmonary Medicine and Critical Care Medicine, Dr. Robertshaw is committed to helping patients manage a wide range of respiratory conditions with leading-edge diagnostic tools and individualized treatment plans. His dedication to community service has been recognized with prestigious honors, including the President’s Volunteer Service Award and the Congressional Award, both received in 2013.
Outside the clinic, Dr. Robertshaw enjoys spending quality time with his wife and daughter, golfing, and cheering on his alma mater during college football season. He looks forward to building long-lasting relationships with his patients and their families throughout the Plano community.
“She is very thorough and takes the time to listen. I rarely actually like my doctors, but she did a great job. Plus, she works on Saturdays so if you’ve got a 9-5 M-F there’s no problem. Dr Masood definitely has my recommendation.”
Dr. Farah Masood, MD
Internist
8050 Meadow Rd
Dallas, TX 75231
4.98(477)
Dr. Samreen Raza, MD
Cardiovascular Disease Physician 14.9 mi
11613 North Central Expwy,
Suite 108
Dallas, TX 75243
Fellowship, Cardiology/Advanced Cardiac Imaging: University of Texas Southwestern Medical Center, Dallas, TX
Cardiovascular Computed Tomography (CT) Certification: Johns Hopkins University School of Medicine, Baltimore, MD
Chief Medical Resident: University of Vermont College of Medicine, Larner College of Medicine, Burlington, VT
Residency, Internal Medicine: University of Vermont College of Medicine, Larner College of Medicine, Burlington, VT
Medical School, MD Degree: Clinical Sciences & Surgery/Imperial College London School of Medicine (2004-2010)
Undergraduate, B.S. Cardiovascular Sciences (Honors): National Heart and Lung Institute and Royal Brompton London Imperial College London School of Medicine, London, UK
Alraies, C, Raza, S, Ryan, JJ. Social Media in Cardiology. Circulation 2018. Article in press.
Rajiah P, Raza S, Saboo SS, Ghoshhajra B, Abbara S. Update on the Role of Cardiac Magnetic Resonance in Acquired Nonischemic Cardiomyopathies. J Thorac Imaging, 2016 Nov;31(6):348-366. PMID: 27438188
Chava S, Raza, S, El-Haddad M, Priest J, Ashikaga T, Dauerman H. A Regional Pharmacoinvasive PCI Strategy Incorporating Bleeding Avoidance Strategies. Coronary Artery Disease, 2015 Jan;26(1):30-6. PMID: 25279566
Raza Z, Waheed A, Rizvi S, Boehmer JP. The role of pre-conversion glomerular filtration rate in predicting long-term renal function after conversion to proliferation signal inhibitors in long-term heart transplant recipients. Manuscript. J Heart Lung Transplant. 2011 Nov;30(11):1301-2. Cited in PubMed, PMID: 21816626.
Raza S, Chava S, El Haddad M, Priest J, Ashikaga T and Dauerman HL. A Regional Pharmacoinvasive PCI Strategy Incorporating Bleeding Avoidance Strategies. AHA Scientific Sessions 2014. Baruah R, Raphael C, Rizvi S, Unsworth B, Sen S, Kyriacou A, Pabari P, Mayet J, Sutaria N, Francis DP. VTI ratio is both more variable and more time-consuming than peak velocity in calculating aortic valve area. European Heart Journal. 2010. Aug; 31(3-4): 200. PMID: 21355129
Shakur R, Yu C, Bucciarelli-Ducci C, Roussin I, Dweck M, Asimacopoulos E, Cheung I, Rizvi S, Pennell DJ, Prasad SK. Scar is an important predictor of adverse events in patients with chronic stable coronary artery disease. European Heart Journal. 2010. Aug; 31(581): 3352. PMID: 21355129
Shakur R, Yu C, Bucciarelli-Ducci C, Roussin I, Dweck M, Rizvi S, Pennell DJ, Prasad SK. Risk stratification in chronic ischemic heart disease: Is scar a better predictor of adverse outcome than LV ejection fraction? European Heart Journal. 2010. Aug; 31(271):1627. PMID: 21355129
Khadanga S, Raza, S. Lyme Carditis and Complete Heart Block: An Unusual Case of a Young Student. Journal of Medical Cases 2014;5(8):435-436
Rizvi S, Rizvi M. Super-specialism in surgery: a case of cardiac transposition. Internal Journal of Surgery. 2008. Dec; 6(6): 446-447. PMID: 18986854.
Rizvi S, Rizvi M. Perspectives from the Guest Student Editor. International Journal of Surgery. 2008. Dec; 6(6):432 Rizvi S, Baruah R, Unsworth B, Baksi J, Manisty C, Hadjiloz ou N, Mayet J, Francis D. VTI ratio is both more variable and more time-consuming than peak velocity in calculating aortic valve area. European Journal of Echocardiography. 2008. Abstracts supplement. Dec; 9. S135. PMID: 18948315.
Belmont Village Senior Living. "10 Things About Heart Health". February 12, 2020.
Parkway Hill Baptist Church. "Womens' Heart Health". February 2019.
Raza S, Vigen, R, Sadeghi N, Matulevicius S. The Use of Handheld Focused Cardiac Ultrasound (FoCUS) for EF Assessment at Parkland Memorial Hospital: A Quality Improvement Initiative With Novel Applications for Clinical Outcomes. High Value Practice Academic Alliance National Conference. Johns Hopkins University. 2018.
Raza, S, Vigen, R, Matulevicius S. The Use of Handheld Focused Cardiac Ultrasound (FoCUS) for EF Assessment at Parkland Memorial Hospital: A Quality Improvement Initiative With Novel Applications for Clinical Outcomes. American Heart Association QCOR18 Scientific Sessions. AHA Young Investigator Award Semi-Finalist.
Raza S. A Curious Case of Loeffler Endocarditis. Poster Presentation at American College of Cardiology (ACC) Scientific Sessions 2018.
Raza S, Maroules C, Luna M. Sudden Cardiac Death: A Rare but Treatable Cause, a case of anomalous coronary artery. Poster presentation at American College of Cardiology (ACC) Scientific sessions 2017.
Raza S, Chava S, El Haddad M, Priest J, Ashikaga T and Dauerman HL. A Regional Pharmacoinvasive PCI Strategy Incorporating Bleeding Avoidance Strategies. Poster presentation at American Heart Association (AHA) Scientific Sessions 2014.
Raza S, Vigen R, Matulevicius S. The Use of Handheld Focused Cardiac Ultrasound (FoCUS) for EF Assessment at Parkland Memorial Hospital: A Quality Improvement Initiative with Novel Applications for Clinical Outcomes. Poster presentation at American Heart Association (AHA) QCOR 2018 scientific meeting.
Rizvi S, Baruah R, Baksi AJ, Unsworth B, Hadjilozou N, Mayet J, Francis DP. Peak velocity is quicker and less variable than VTI ratio in the assessment of aortic valve area. 13th Annual Meeting of the European Council for Cardiovascular Research. Hypertension, Volume 52, issue 4. Pages 762-763. 2008. Oct; 52(4): 762-763. PMID: 19371200. Conference presentation.
Raza S, Keating F. Shifting the goalposts: Updating the Appropriate Use Criteria for Radionuclide Imaging may increase the proportion of appropriately ordered tests. Poster presentation at ASNC Scientific Sessions 2014.
Raza S, Merrill S, Shenk H, Teleron A. An Innovative Simulation-Based ACLS Educational Program to Improve Competency, Skills and Leadership of Medicine Residents in Codes. AAMC Integrating Quality: Improving Value through Clinical Transformation, Education and Science Meeting, June 2015, Rosemont, IL. Poster presentation at AAMC Integrating Quality Conference.
Raza S, Stevens P, Mead A and Schneider DJ. Choosing Wisely, Reducing Inappropriate Transthoracic Echocardiography based on the appropriate use criteria in the in-patient setting. 11th Annual Jeffords Quality Forum, Larner College of Medicine, University of Vermont. April 2014. Poster presentation.
Raza, S, Vigen R, Matulevicius S. The Use of HandHeld Focused Cardiac Ultrasound (FoCUS) for EF Assessment in the Parkland Oncology Clinic. University of Texas Southwestern Women in Science & Medicine (WISMAC). Poster presentation. February 2018. Raza, S, Guinet P, Custaud MA, Levine, B. The effect of Lower Body Negative Pressure (LBNP) and Bed Rest on Cardiac MRI dimensions in healthy volunteers during a French Bed Rest Study.
European Space Agency (ESA). University of Texas Southwestern Women in Science & Medicine (WISMAC). Poster presentation. February 2018.
Scribner-Metcalf T, O'Toole J, Raza S (2015). A Case of Adult-Onset Urea Cycle Disorder (VT Chapter Winner), ACP Internal Medicine Meeting, Boston, Massachusetts.
Raza S and Schneider DJ. Hearts and Spades - A Rare Case of Apical Hypertrophic Cardiomyopathy (Yamaguchi's Syndrome); ACP Chapter Meeting. 2013. Poster presentation. Larner College of Medicine, University of Vermont.
Raza S and Jayaprakash-Sardana J. Necrotizing Granulomatous Rheumatoid Meningitis; ACP National Meeting. 2012. Poster presentation. New Orleans, Louisina. National ACP Conference meeting.
Raza S. A Curious Case of Weakness: a rare case of CPPD of the cervical spine. ACP Chapter Meeting. 2011. Poster presentation. Larner College of Medicine, University of Vermont.
Baruah, Raphael C, Rizvi S, Unsworth B, Sen S, Kyriacou A, Pabari P, Mayet J, Sutaria N, Francis DP. August 2010. VTI ratio is both more variable and more time-consuming than peak velocity in calculating aortic valve area. Poster presented at European Society of Echocardiography (ESC) 2010; Athens, Greece.
Rizvi S. Scar is an important predictor of adverse events in patients with chronic stable coronary artery disease; European Society of Cardiology Congress. 2010: Abstract Presentation. Stockholm, Sweden.
Rizvi S. Risk stratification in chronic ischemic heart disease: Is scar a better predictor of adverse outcome then LV ejection fraction; European Society of Cardiology Congress 2010. Abstract presentation. Stockholm, Sweden.
Raza S, Raza SS, Schneider DJ, LeWinter M. Choosing Wisely Campaign, Appropriateness of Transthoracic Echocardiography in the in-patient setting. Quality Improvement Project, Larner College of Medicine, University of Vermont. Data Collection. Authored Manuscript in process.
Raza S, Vigen R, Matulevicius S. The Use of Handheld Focused Cardiac Ultrasound (FoCUS) for EF Assessment in the Parkland Oncology Clinic. Poster Presentation selected for presentation at Celebration of Women in Science and Medicine, University of Texas Southwestern Medical Center, Women in Science and Medicine Advisory Committee (WISMAC) February 2018.
Raza S, Custaud MA, Guinet P, Levine, B. Raza, MD, MA Custaud, MD, Patrick Guinet, MD, Benjamin Levine, MD. The Effect of 18 day Head Down Tilt Bedrest and Lower Body Negative Pressure on Cardiac MRI measurements in Human and the effect of Nutritional and Exercise Countermeasures - funded by the European Space Agency. Poster Presentation selected Celebration of Women in Science and Medicine, University of Texas Southwestern Medical Center, Women in Science and Medicine Advisory Committee (WISMAC) February 2018.
Tornow K, Raza S, Rajiah P. Presentation Title: Comprehensive Role of Cardiac MRI in the Evaluation of Heart Failure with Preserved Ejection Fraction. Radiological Society of North America (2017).
Scribner-Metcalf T, O'Toole J, Raza S (2015). A Case of Adult-Onset Urea Cycle Disorder (VT Chapter Winner), ACP Internal Medicine Meeting, Boston, Massachusetts.
Raza S. (2011). A unique case of leptomeningeal carcinomatosis. Abstract Oral Presentation; ACP Chapter Meeting. Dartmouth Medical School, New Hampshire.
Ramanath VS, Thompson CA. STEMI: Adjunctive Therapies for Primary PCI In: The SCAI Interventional Cardiology Board Review. Lippincott Williams and Wilkins. 2013.
Ramanath VS, Thompson CA. STEMI: Reperfusion (Primary PCI vs Thrombolysis) In: The SCAI Interventional Cardiology Board Review. Lippincott Williams and Wilkins. 2013.
Ramanath VS, Thompson CA. Guidewires and Balloons - the Primer In: Textbook of Cardiovascular Intervention. Springer. 2013.
Ramanath VS, Eagle KA. Guideline adherence and outcomes in coronary heart disease and heart failure In: UpToDate, Rose, BD (Ed), UpToDate, Waltham, MA, 2007, 2008, 2009, 2010, 2011, 2012.
Ramanath VS, Oh JK, Sundt III TM, Eagle KA. Acute aortic syndromes and thoracic aortic aneurysm In: Cardiovascular Diseases: Diagnosis and Management, Gerber TC, Asirvatham SJ, Lavie CJ, Oh JK (Ed), Mayo Foundation for Medical Education and Research, Rochester, MN, 2010.
Scientific Publications:
Ramanath VS, Thompson CA. Coronary chronic total occlusion recanalization - current techniques and approaches. Interventional Cardiology Review. 2013;8(1):41-5.
Zlotnick DM, Ramanath VS, Brown JR, Kaplan AV. Classification and treatment of coronary artery bifurcation lesions: putting the Medina classification to the test. Cardiovasc Revasc Med2012 Jun 13 (Epub).
Ramanath VS, Szot CR, Andrus BW, Kaplan AV, Robb JF. Takotsubo cardiomyopathy following administration of midodrine. Tex Heart Inst J. 2012;39(1):158-159.
Robert AM, Brown JR, Sidhu MS, Ramanath VS, DeVries JT, Jayne JE, Hettleman BD, Friedman BJ, Niles NW II, Kaplan AV, Malenka DJ, Robb JF, Thompson CA. The evaluation of creatinine clearance, estimated glomerular filtration rate, and serum creatinine in predicting contrast-induced acute kidney injury among patients undergoing percutaneous coronary intervention. Cardiovasc Revasc Med. 2012;109(1):122-7.
Suzuki R, Isselbacher EM, Nienaber CA, Pyeritz RE, Eagle KA, Tsai TT, Cooper JV, Januzzi JL, Braverman AC, Montgomery DG, Fattori R, Pape L, Harris KM, Booher A, Oh JK, Peterson M, Ramanath VS, Froehlich JB. Type-selective benefits of medications in treatment of acute aortic dissection (from the International Registry of Acute Aortic Dissection [IRAD]). Am J Cardiol. 2012;109(1):122-7.
Ramanath VS, Eagle KA, Nienaber CA, Isselbacher EM, Froehlich JB, Cooper JV, Gu X, Evangelista A, Meinhardt G, Beckman J, Myrmel T, Pape L, Pyeritz RE, Hirsch AT, Bossone E. The role of preoperative coronary angiography in the setting of type A acute aortic dissection: Insights from the International Registry of Acute Aortic Dissection. Am Heart J. 2011;161(4):790-796.e1.
Booher AM, Isselbacher EM, Nienaber CA, Froehlich JB, Trimarchi S, Cooper JV, Demertzis S, Ramanath VS, Januzzi JL, Harris KM, O'Gara PT, Sundt III TM, Pyeritz RE, Eagle KA. Ascending thoracic aorta dimension and outcomes in acute type B dissection (from the International Registry of Acute Aortic Dissection [IRAD]). Am J Cardiol. 2011;107(2):315-320.
Ramanath VS, Brown JR, Malenka DJ, DeVries JT, Sidhu MS, Robb JF, Jayne JE, Hettleman BD, Friedman BJ, Niles NW II, Kaplan AV, Thompson CA. Outcomes of diabetics receiving bare-metal stents versus drug-eluting stents. Catheter Cardiovasc Interv. 2010;76(4):473-81.
Olomu AB, Grzybowski M, Ramanath VS, Rogers AM, Motyka-Vautaw B, Chen B, Roychoudhury C, Jackson EA, Eagle KA. Evidence of disparity in the application of quality improvement efforts for the treatment of acute myocardial infarction: the American College of Cardiology's Guidelines Applied in Practice initiative in Michigan. Am Heart J. 2010 Mar;159(3):377-384.
Ramanath VS, Armstrong DF, Grzybowski M, Rahnama-Mohagdam S, Tamhane UU, Gordon K, Froehlich JB, Eagle KA, Jackson EA. Discharge medication use and outcomes in acute coronary syndrome patients with non-obstructive coronary artery disease. Clin Cardiol. 2010 Jan;33(1):36-41.
Ramanath VS, Oh JK, Sundt III TM, Eagle KA. Acute aortic syndromes and thoracic aortic aneurysm. Mayo Clinic Proc. 2009 May;84(5):465-481.
Motivala AA, Tamhane U, Ramanath VS, Saab F, Montgomery DG, Fang J, Kline-Rogers E, May N, Ng G, Froehlich J, Gurm H, Eagle KA. A prior myocardial infarction: how does it affect management and outcomes in recurrent acute coronary syndromes? Clin Cardiol. 2008 Dec;31(12):590-596.
Rogers AM, Ramanath VS, Grzybowski M, Riba AL, Jani SM, Metha R, De Franco AC, Parrish R, Skorcz S, Baker PL, Faul J, Chen B, Roychoudhury C, Elma MAC, Mitchell KR, Froehlich JB, Montoye C, Eagle KA. The association between guideline-based treatment instructions at the point of discharge and lower 1-year mortality in Medicare patients after acute myocardial infarction: The American College of Cardiology's Guidelines Applied in Practice (GAP) initiative in Michigan. Am Heart J. 2007 Sept;154(3): 461-469.
Ramanath VS, Eagle KA. Evidence-based medical therapy of patients with acute coronary syndromes. Am J Cardiovasc Drugs. 2007;7(2): 95-116.
Vasaiwala S, Nolan E, Ramanath VS, Fang J, Kearly G, Van Riper S, Kline-Rogers E, Otten R, Cody RA, Eagle KA. A quality guarantee in acute coronary syndromes: The ACC's GAP program taken real-time. Am Heart J. 2007 Jan;153(1):16-21.
Ramanath VS, Lacomis JM, Katz WE. Diagnosis of pulmonary embolism by acute right heart morphologic and hemodynamic changes observed during exercise stress echocardiography. J Am Soc Echocardiogr. 2004 Sep;17(9):1005-8.
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.
Fazel PA, Peterman MA, Schussler JM. Three-Year Outcomes and Cost Analysis in Patients Receiving 64-Slice Computed Tomographic Coronary Angiography for Chest Pain. American Journal of Cardiology 2009:104:498-500.
Peterman MA, Hamman BL, Schussler JM. 64-Slice CT angiography of saphenous vein graft anastomoses fashioned with interrupted nitinol clips. Annals of Thoracic Surgery 2007:83:1204.
Peterman MA, Donsky MS, Matter GJ, Roberts WC. A Starr-Edwards model 6120 mechanical prosthesis in the mitral valve position for 38 years. American Journal of Cardiology 2006:97:756-758.
Peterman MA, Farooq H, Roberts WC. Facts and principles learned at the 31st Annual Williamsburg Conference on Heart Disease. Baylor University Medical Center Proceedings 2004:17:106-115.
Peterman MA, Roberts WC. Syndrome of protein C deficiency and anterior wall acute myocardial infarction at a young age from a single coronary occlusion with otherwise normal coronary arteries. American Journal of Cardiology 2003:92
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