Andrew Buscemi is a primary care provider, practicing in Family Medicine in Baltimore, Maryland. Dr. Buscemi is rated as a Distinguished provider by MediFind in the treatment of Empyema. His top areas of expertise are Bronchitis, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, and Sinusitis. Dr. Buscemi is currently accepting new patients.

Marc Dubin is an Otolaryngologist in Baltimore, Maryland. Dr. Dubin is rated as a Distinguished provider by MediFind in the treatment of Empyema. His top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, Nasal Polyps, and Low Nasal Bridge. Dr. Dubin is currently accepting new patients.

Dr. Mohamad Allaf is Professor of Urology and Oncology, as well as Director of the Department of Urology and the Brady Urological Institute and Urologist-in-Chief of the Johns Hopkins Hospital. Dr. Allaf is a world renowned surgeon-scientist having performed more than 2,000 robotic procedures and published over 250 peer reviewed research papers in the field's best journals. As one of the busiest robotic radical prostatectomy surgeons in the world, he aims to achieve the best outcomes for his patients. Having trained with Dr. Patrick Walsh, Dr. Allaf has used Dr. Walsh's method of radical prostatectomy as the basis for his own anatomic method to this complex operation. Dr. Allaf is also amongst the leaders in kidney cancer surgery, having served on the American Urological Association Guideline Committee for Kidney Cancer. He led a team who performed the rigorous analysis to help inform the most recent guidelines that was funded by the Agency for Healthcare Research and Quality (AHRQ). He is best known for his ability to save the kidney and remove the tumor in patients with kidney tumors. Dr. Allaf runs a research endeavor aiming to decrease the morbidity associated with the treatment of cancer, and he has mentored numerous leaders in academic urology. He is actively involved in fund raising for research and education, and believes in expanding our base of support in order to advance our important mission. Dr. Allaf is rated as an Advanced provider by MediFind in the treatment of Empyema. His top areas of expertise are Renal Cell Carcinoma (RCC), Renal Oncocytoma, Prostate Cancer, Nephrectomy, and Prostatectomy.

Howard Boltansky is an allergist who treats patients ages 6 and older who have a wide range of nasal allergies and sinus conditions, including allergic rhinitis, nasal polyps, sinusitis and allergic conjunctivitis. He offers medical therapy and sublingual immunotherapy for patients with a variety of environmental allergies. Dr. Boltansky earned his medical degree at the University of Maryland School of Medicine, where he remained for an internal medicine residency. He completed fellowship training in allergy and immunology at the National Institute of Allergy and Infectious Diseases, which is part of the National Institutes of Health. Recent News Articles and Media Coverage Shots - Health News from NPR, More pollen, more allergies: Personalized exposure therapy treats symptoms, 04/08/2023. Dr. Boltansky is rated as an Advanced provider by MediFind in the treatment of Empyema. His top areas of expertise are Asthma in Children, Asthma, Grass Allergy, and Empyema.

Jean Kim is a surgeon-scientist whose clinical and translational research area of interest is in the pathogenesis of chronic rhinosinusitis with nasal polyposis. She cares for patients with the most severe forms of chronic rhinosinusitis, including patients with sinus disease, nasal polyposis and severe asthma. She also has expertise in the management and study of patients with autoimmune disease and complex sinus disease. Dr. Kim is co-director of the Jerome L. Greene Sjögren’s Disease Center, and is lead consultant for the Johns Hopkins Vasculitis Center and the Primary Ciliary Dyskinesia Foundation Clinical and Research Center at Johns Hopkins. She has considerable experience in conducting clinical trials in sinus and autoimmune diseases. With an active basic and translational research laboratory that studies the underlying mechanisms of airway epithelial dysfunction in sinus disease, Dr. Kim’s work is nationally and internationally recognized in the field of epithelial cell biology and allergic immune responses. She has held sponsored grants from the National Institutes of Health, various foundations and pharmaceutical companies to conduct her clinical, basic and translational research. Additionally, Dr Kim is interested in researching the pathogenesis of climate factors contributing to nonallergic rhinitis. Dr. Kim earned her medical and doctoral degrees from the University of Pittsburgh, and she completed her residency and fellowship training at the Johns Hopkins University School of Medicine. She is a member of the editorial board of the International Forum of Allergy and Rhinology, the nationally #1 ranked rhinology journal. Dr. Kim has served as a study section reviewer for the Medical Research Council of the United Kingdom, the Flight Attendant Medical Research Institute foundation and the Johns Hopkins Institute for Clinical and Translational Research, and she has received Johns Hopkins University School of Medicine Clinician Scientist Career Development Awards. Dr. Kim is rated as an Advanced provider by MediFind in the treatment of Empyema. Her top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sinusitis, Nasal Polyps, and Sialadenitis.

Dr. Masaru Ishii graduated from University of Pennsylvania Perelman School of Medicine. His clinical specialties include surgical management of nasal airway obstruction, chronic sinusitis and sinonasal tumors, as well as endoscopic surgery for skull base tumors. Dr. Ishii is rated as an Advanced provider by MediFind in the treatment of Empyema. His top areas of expertise are Cerebrospinal Fluid Leak, Prolactinoma, Olfactory Neuroblastoma, Septoplasty, and Endoscopic Transnasal Transsphenoidal Surgery.

Dr. Andrew Lane is the Director of the Johns Hopkins Sinus Center and performs the full range of endoscopic sinus procedures, including transnasal skull base and orbital surgeries. He is dedicated to providing cutting-edge care to his patients and developing new therapies for chronic rhinosinusitis through his clinical and basic science research. He is the longest practicing sinus specialist with advanced fellowship training in the Baltimore/Washington region, with two decades of experience in the medical and surgical management of challenging sinus disease. Dr. Lane received a bachelor's degree from Harvard University and an M.D. from the University of Pennsylvania School of Medicine. He completed his internship in general surgery and residency in Otolaryngology-Head and Neck Surgery at the University of North Carolina at Chapel Hill. He came to Johns Hopkins in 2001, after completing a fellowship in advanced endoscopic sinus surgery techniques at the University of Pennsylvania. Dr. Lane maintains a busy clinical practice while also running an NIH-funded laboratory. His research investigates the causes and potential treatments for chronic rhinosinusitis with nasal polyps, as well as how inflammation affects the sense of smell. An author of over 140 published articles and book chapters, he frequently presents his surgical and research results at national and international meetings. He has earned several prestigious awards for his research about nasal polyps and olfactory loss. Dr. Lane is Editor-in-Chief of Current Otorhinolaryngology Reports, Associate Editor of the American Journal of Rhinology and Allergy, and an Editorial Board member of the International Forum of Allergy & Rhinology. He has served on the Board of Directors of the American Rhinologic Society and chaired the Rhinology and Paranasal Sinus Committee of the American Academy of Otolaryngology – Head and Neck Surgery. He is the Rhinology section leader for the Triological Society’s Best Practice committee. Dr. Lane is often invited to speak at outside medical institutions and regularly conducts media interviews about nasal and sinus issues. Dr. Lane is rated as an Advanced provider by MediFind in the treatment of Empyema. His top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Nasal Polyps, Sinusitis, Endoscopy, and Septoplasty.

Andrew Goldstone is an otolaryngologist specializing in evaluation and treatment of ear, nose and throat disorders for adult and pediatric patients. He has been practicing in Baltimore since 1991. Dr. Goldstone takes great pride in providing compassionate and comprehensive ENT care for patients of all ages. Specialty care with attention to cutting-edge therapies and new approaches while ensuring excellence through use of well-established treatments is the principle upon which he practices. His goal is to develop long-term physician-patient relationships that enhance patient satisfaction and the quality and safety of care. Dr. Goldstone is also a member of several national and local medical societies, including the American Academy of Otolaryngology-Head and Neck Surgery. Dr. Goldstone is rated as an Advanced provider by MediFind in the treatment of Empyema. His top areas of expertise are Infant Hearing Loss, DFNB1, Jones Syndrome, and Ruptured Eardrum.

Allan Chircus is a primary care provider, practicing in General Practice in Timonium, Maryland. Dr. Chircus is rated as an Advanced provider by MediFind in the treatment of Empyema. His top areas of expertise are Peptic Ulcer, Cellulitis, Necrosis, and Otitis. Dr. Chircus is currently accepting new patients.

Manuel Ramos is a primary care provider, practicing in Internal Medicine in Lutherville, Maryland. Dr. Ramos is rated as an Advanced provider by MediFind in the treatment of Empyema. His top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Maturity Onset Diabetes of the Young. Dr. Ramos is currently accepting new patients.

Alexandros Samohin is a primary care provider, practicing in Family Medicine in Timonium, Maryland. Dr. Samohin is rated as an Advanced provider by MediFind in the treatment of Empyema. His top areas of expertise are Cellulitis, Peptic Ulcer, Necrosis, and Conjunctivitis (Pink Eye). Dr. Samohin is currently accepting new patients.

Priya Patel is an Otolaryngologist in Timonium, Maryland. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Empyema. Her top area of expertise is Empyema. Dr. Patel is currently accepting new patients.

Dr. Howard Steiner is an instructor of medicine at the Johns Hopkins School of Medicine. He has been practicing pulmonary and sleep consultative medicine since 1989. In his role as a diagnostician, he guides the evaluation and management of respiratory problems including infectious, malignant, allergic, autoimmune, and sleep-related disorders. He has been part-time faculty in the Johns Hopkins Pulmonary Division since 1991, is a Fellow in the American College of Chest Physicians, and mentors medical students, residents, and pulmonary fellows training at the Johns Hopkins Hospital. Contact for Research Inquiries 10755 Falls Road Pavilion I, Suite 200 Lutherville, MD 21093 Phone: (410) 583-7124 Selected Publications Lwebuga-Mukasa JS, Steiner H. Monoclonal antibody to rat lung Maclura Pomifera agglutinin (MPA) lectin binding glycoprotein localizes apically on rat and human type II pneumocytes and Clara cells. J Cell Biol 107:71a, 1989. Roberts PJ, McBean GJ, Steiner H, Kohler C, Schwarcz R. Lesioning Effects of Ibotenate in the immature rat brain and protection by 2-amino-7 phosphonoheptanoic acid. Soc Neurosci Abst 9:261, 1983. Steiner H, Ingbar DI. Mechanisms of lung injury and repair. In: Matthay RA, Matthay MA, Wiedemann HP eds. Annual Review of Pulmonary and Critical Care Medicine. Hanley & Belfus (Philadelphia, 1989), pp 205-223. Steiner H, Lwebuga-Mukasa JS. A549 cells display distinct functional and morphologic properties depending on their culture substratum. J Cell Biol 107:71a, 1989. Steiner H, Lwebuga-Mukasa JS. A549 cells produce a factor which is Mitogenic for human lung fibroblasts. Amer Rev Resp Dis 139:A492 1989. Steiner H, McBean GJ, Kohler C, Roberts PJ, Schwarcz R. Ibotenate Induced neuronal degeneration in immature rat brain. Brain Research 307:117-124, 1984. Dr. Steiner is rated as an Experienced provider by MediFind in the treatment of Empyema. His top areas of expertise are Bronchiectasis, Obstructive Sleep Apnea, Lung Metastases, and Interstitial Lung Disease.

Nicholas Rowan is a sinus and skull base surgeon who helps patients with conditions such as deviated septum, nasal congestion, nasal obstruction, sinus pressure and chronic sinusitis, as well as complex issues like loss of smell, sinus cancers, cerebrospinal fluid (CSF) leaks and tumors that grow near the brain. He frequently performs nasal polyp surgery and endoscopic sinus procedures, using minimally invasive approaches to help patients recover quickly and breathe more easily. For tumors of the skull base or brain, he works closely with neurosurgeons and cancer specialists to deliver coordinated, comprehensive care. Dr. Rowan’s research is focused on improving patients’ quality of life and long-term outcomes after sinus and skull base surgery. A major part of his work involves studying the sense of smell — not just how to restore it, but how it reflects overall health. He explores how smell loss may be an early warning sign of unhealthy aging, frailty or cognitive decline. Through this work, he aims to better understand the biological link between the nose and brain, and what it can reveal about a person’s health trajectory. He works closely with biomedical engineers to develop novel diagnostic and therapeutic technologies, and he is the principal investigator of multiple ongoing clinical trials that are testing new treatments for chronic sinusitis and nasal polyps. A frequent speaker at national and international conferences, Dr. Rowan shares insights from his innovative research and surgical experience. He leads courses and delivers lectures on advanced sinus and skull base techniques, smell loss and the evolving science behind how nasal health connects to overall well-being. Dr. Rowan is rated as an Experienced provider by MediFind in the treatment of Empyema. His top areas of expertise are Sinusitis, Anosmia, Pituitary Tumor, Endoscopy, and Septoplasty.

Dr. Brian Matlaga is a Professor of Urology at Johns Hopkins University School of Medicine and also is the Director of the Stephens Center for Stone Disease as well as the Executive Vice Chair of the James Buchanan Brady Urological Institute. Dr. Matlaga is an internationally recognized expert in the medical and surgical management of patients with urinary stone disease. A frequent contributor to the medical press, with over 180 peer-reviewed publications, Dr. Matlaga’s research has received national and international awards. Dr. Matlaga sits on numerous editorial boards as well as advisory committees and guidelines panels for the American Urological Association, the American Board of Urology, the Endourological Society, and the National Institutes of Health, amongst others. Dr. Matlaga serves as Executive Medical Director of Clinical Affairs for Johns Hopkins Medicine International, the arm of Johns Hopkins Medicine that manages its global presence. In this capacity, he delivers clinical care as well as project leadership across the globe. Dr. Matlaga is rated as an Experienced provider by MediFind in the treatment of Empyema. His top areas of expertise are Kidney Stones, Bladder Stones, Boils, Ureteroscopy, and Lithotripsy.

Arun Rai, M.D., M.B.A., M.S., is a urologist who specializes in minimally invasive surgery and endourology and has extensive training to treat patients with adrenal cancer, kidney cancer, ureteral cancer and prostate cancer. In addition, he also specializes in treating patients with BPH, kidney stones and bladder stones. Dr. Rai earned both his undergraduate and medical degrees through the highly selective seven-year accelerated medical education program at Boston University School of Medicine. Dr. Rai went on to complete a general surgery internship at Baylor College of Medicine, where he then also completed his urology residency. Dr. Rai continued his training at the Northwell Health’s Smith Institute for Urology by completing a fellowship in Endourology and Minimally Invasive Surgery. During this time, he also received a dual MBA/MS in Healthcare Leadership Weill Cornell Graduate School of Medical Sciences and Cornell University. In addition to caring for patients, Dr. Rai serves as Clinical Director for the Brady Urological Institute's Quantitative Data Sciences division. His research focuses on developing the next generation of surgical technology, focusing on artificial intelligence and machine learning for optimizing clinical care. He strongly believes that surgeons should have an active role in the development of the next generation of tools for the optimal treatment of patients. He has authored several publications, with topics including patient safety in the operating room, long-term outcomes of subcapsular renal hematoma, pelvi-ureteric junction obstruction and featured in journals such as Urology and the Journal of Endourology. Dr. Rai is rated as an Experienced provider by MediFind in the treatment of Empyema. His top areas of expertise are Kidney Stones, Horseshoe Kidney, Boils, Ureteroscopy, and Lithotripsy.

Ahmed Ghazi is an associate professor of urology at the Johns Hopkins University School of Medicine. He is the Director of Surgical Simulation Training and the Division of Minimally Invasive and Robotic Surgery within the Johns Hopkins Brady Urological Institute. Dr. Ghazi specializes in urologic surgical oncology using the latest techniques of minimally invasive surgery for prostate, kidney, bladder, ureteral and other genitourinary organ cancers. He also as specializes in minimal invasive treatment of complex stones of the urinary tract. Dr. Ghazi is a pioneer in the field of patient-specific surgical simulation, which has applications for training future surgeons as well as improving outcomes for patients through individualized modeling. When planning for a complex surgery, Dr. Ghazi constructs 3D models of the patient’s anatomy in order to plan and rehearse surgery prior to the actual surgery. These models span from digital renderings to tangible models used to practice the critical components of your surgery. Dr. Ghazi received his medical degree from Cairo University in Egypt in 2000, where he also completed his surgery training and urology residency. From there, Dr. Ghazi completed a laparoscopic fellowship in Paris, France in 2008, followed by a second laparoscopic fellowship in Austria in 2009. While practicing in Europe, Dr. Ghazi was accepted to the European Board of Urology. Dr. Ghazi continued his training at the University of Rochester, New York through a two-year fellowship in the robotic treatment of various urologic cancers. He then joined the staff at the urology department of University of Rochester in 2012 where he continued to practice until joining Johns Hopkins Medicine. Dr. Ghazi believes in a reciprocal relationship between innovation, surgery & research where each informs and strengthens the others. He strives to adopt innovative surgical technologies that are evidence-based, benefit his patients and translate directly to improved patient outcomes. Dr. Ghazi is rated as an Experienced provider by MediFind in the treatment of Empyema. His top areas of expertise are Prostate Cancer, Kidney Stones, Boils, Prostatectomy, and Nephrectomy.

Naren Nimmagadda, M.D., is an assistant professor of urology at the Johns Hopkins University School of Medicine. He treats a wide range of benign and malignant urological conditions. As a fellowship trained urologist in endourologic and laparoscopic surgery, his practice focuses on treated voiding issues related to BPH through Holmium Laser Enucleation of the Prostate (HoLEP), an alternative to transurethral resection of the prostate (TURP). Dr. Nimmagadda also specializes in treating kidney, ureteral and bladder stones via shockwave lithotripsy, endoscopic and percutaneous techniques. Dr. Nimmagadda is the Endourology, Minimally Invasive Urology Fellowship Program Director. Dr. Nimmagadda attended medical school at the University of Maryland School of Medicine. Following medical school, Dr. Nimmagadda completed a general surgery internship and residency in urology at Massachusetts General Hospital. He then completed a fellowship in endourology and laparoscopic surgery at Vanderbilt University Medical Center. Following graduation, Dr. Nimmagadda served on the Vanderbilt University Medical Center’s Department of Urology faculty as an instructor. Dr. Nimmagadda has research interest in the intersection of urology and technological innovation. Dr. Nimmagadda is rated as an Experienced provider by MediFind in the treatment of Empyema. His top areas of expertise are Kidney Stones, Enlarged Prostate (BPH), UPJ Obstruction, Ureteroscopy, and Lithotripsy.

Dr. Rameen J. Molavi is part-time on the medical faculty as an instructor in medicine in the division of General Internal Medicine within the Department of Medicine at the Johns Hopkins University School of Medicine. His area of clinical expertise is internal medicine. Dr. Molavi is also the managing physician and chair of Park Medical Associates, a member of Johns Hopkins Regional Physicians. He is the recipient of the 2025 Samuel P. Asper Award for excellence in medicine from the Maryland Chapter of the American College of Physicians. Dr. Molavi holds a B.A. in biology from Rice University in Houston, TX. He earned his M.D. at the Johns Hopkins University School of Medicine. He completed his internship and residency in categorical internal medicine at the Washington University School of Medicine Barnes-Jewish Hospital in St. Louis, MO. He began medical practice in Lutherville in 1999 and joined Park Medical Associates in 2009. His practice focus is on primary care for adults of all ages. Recent News Articles and Media Coverage Dr. Rameen Molavi: COVID-19 Testing Realities, WYPR (April 28, 2020) Samuel Asper Award, American College of Physicians (2025). Dr. Molavi is rated as an Experienced provider by MediFind in the treatment of Empyema. His top areas of expertise are Mesenteric Venous Thrombosis, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

Nirmish Singla is an Oncologist in Lutherville, Maryland. Dr. Singla is rated as an Experienced provider by MediFind in the treatment of Empyema. His top areas of expertise are Upper Tract Urothelial Carcinoma (UTUC), Renal Cell Carcinoma (RCC), Urothelial Cancer, Nephrectomy, and Orchiectomy.