David Weithorn

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First Name

David

Last Name

Weithorn

NPI

1033504303

Faculty ID

17257

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Adult

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Male

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Clinical Focus

Dr. Weithorn focuses on using minimally invasive techniques, including robotic surgery, to treat a wide range of surgical diseases, including gallstones (gallbladder removal), hiatal hernia repair, anti-reflux surgery, diverticulitis, colon cancer, ventral and inguinal hernias including complex hernias, recurrent ventral and inguinal hernias, and neurectomy procedures for chronic inguinal pain after inguinal hernia repair.

Research Focus

Dr. Weithorn is interested in outcomes-based research using minimally invasive surgical techniques to reduce morbidity and speed recovery for a wide range of general surgical conditions, especially acute and/or emergent surgical conditions. H

Elsevier Profile

EMR ID

78060

Biography

<p>David Weithorn, MD, is a general surgeon and Assistant Professor, Surgery at Montefiore Einstein. A fellowship-trained minimally invasive general surgeon, Dr. Weithorn focuses on using minimally invasive techniques, including robotic surgery, to treat a wide range of surgical diseases, including gallstones (gallbladder removal), hiatal hernia repair, anti-reflux surgery, diverticulitis, colon cancer, ventral and inguinal hernias including complex hernias, recurrent ventral and inguinal hernias, and neurectomy procedures for chronic inguinal pain after inguinal hernia repair.</p><p>After receiving his Bachelor of Science from University of Florida in 2011, Dr. Weithorn attended the Herbert Wertheim College of Medicine, earning his Doctor of Medicine in 2015. He completed his residency in general surgery at Montefiore Medical Center in 2020, then pursued fellowship in robotic/minimally invasive surgery at Hackensack University Medical Center, training with pioneers in robotic surgery.</p><p>Dr. Weithorn is interested in outcomes-based research using minimally invasive surgical techniques to reduce morbidity and speed recovery for a wide range of general surgical conditions, especially acute and/or emergent surgical conditions. He has shared his work through peer-reviewed journal articles and national presentations.</p><p>Dr. Weithorn is board certified by the American Board of Surgery and is a member of the American College of Surgeons and the Society of American Gastrointestinal and Endoscopic Surgeons.</p>

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Vlad A. Tomuta

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First Name

Vlad

Last Name

Tomuta

NPI

1558537340

Faculty ID

9432

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Full Time

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Adult

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Male

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EMR ID

5457

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Aaron Zev Tokayer

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First Name

Aaron

Last Name

Tokayer

NPI

1336220755

Faculty ID

704

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<p>Dr. Tokayer received his B.A. in from Yeshiva College and his M.D. from Albert Einstein College of Medicine of Yeshiva University. &nbsp;He completed an internship and residency at the Bronx Municipal Hospital Center and GI and Hepatology fellowship at Johns Hopkins Medical Center. He received an MHS degree in Clinical Epidemiology from Johns Hopkins School of Public Health. Dr. Tokayer then joined the Montefiore GI Faculty in 1992. He has been involved in the spectrum of clinical patient care, endoscopic interventions and teaching in the GI fellowship program. His areas of interest include clinical practice, patient care and education, endoscopic procedures and interventions, functional GI and motility disorders. He is Director of the GI Motility Lab where studies such as Esophageal Manometry,&nbsp; Esophageal Acid Monitoring and Impedance Testing, Ano-rectal Manometry and Defecatory Testing, Hydrogen Breath Testing for Bacterial overgrowth and Carbohydrate Maldigestion , and studies of gastric and intestinal transit. He works closely with colleagues of the Department of Radiology and Nuclear Medicine as well as the Department of Surgery in diagnosing and treating GI motility disorders.</p>

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Melissa R. Stein

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First Name

Melissa

Last Name

Stein

NPI

1699865592

Faculty ID

9444

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Full Time

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Adult

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Female

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Primary Care

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<p><strong>Current Investigations</strong></p>

<ol start="1" style=" margin-bottom: 0in;" type="1">
<li>Development of an Objective Structured Clinical Examination (OSCE) in Substance Abuse</li>
</ol>

<p>&#160;</p>

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Elsevier Profile

EMR ID

4263

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Peter Kjeld Slotwiner-Nie

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First Name

Peter

Last Name

Slotwiner-Nie

NPI

1508812405

Faculty ID

4541

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Full Time

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Adult

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EMR ID

4136

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Kenneth Shapiro

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First Name

Kenneth

Last Name

Shapiro

NPI

1700854486

Faculty ID

15555

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Full Time

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Adult

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Male

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Clinical Focus

Dr. Shapiro&rsquo;s clinical focus is on hernia repairs and the gastrointestinal tract, utilizing state-of-the-art minimally invasive surgery techniques to provide optimal care.&nbsp;

Research Focus

Dr. Shapiro&rsquo;s research focuses on hernia repair.&nbsp;

Elsevier Profile

EMR ID

4685

Biography

<p>Kenneth Shapiro, MD, FACS, is an attending surgeon and Assistant Professor, Surgery at Montefiore Einstein. Dr. Shapiro&rsquo;s clinical focus is on hernia repairs and the gastrointestinal tract, utilizing state-of-the-art minimally invasive surgery techniques to provide optimal care. He is proud to have served the Bronx community for his entire career.</p><p>In 1994, Dr. Shapiro graduated from The Sophie Davis School of Biomedicine, receiving his Bachelor of Science in biomedicine. He later attended New York Medical College, earning his Doctor of Medicine in 1996. After several months of clinical research with the Mount Sinai/Cabrini program, Dr. Shapiro pursued his surgery residency at Cabrini Medical Center, completing it in 2002. In 2003, he completed his minimally invasive surgery fellowship at Staten Island University.</p><p>Dr. Shapiro&rsquo;s research focuses on hernia repair. He has shared his work through publication in peer-reviewed journals and oral and poster presentations.</p><p>Dr. Shapiro is board certified by the American Board of Surgeons. He is a Fellow of the American College of Surgeons and a member of several professional organizations including the Society for Surgery of the Alimentary Tract and the Society of Laparoscopic Surgeons.</p>

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Adarsha Selvachandran

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First Name

Adarsha

Last Name

Selvachandran

NPI

1134578248

Faculty ID

16723

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Full Time

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Adult

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Female

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Off

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Elsevier Profile

EMR ID

87590

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Jonathan M. Schwartz

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First Name

Jonathan

Last Name

Schwartz

NPI

1215945738

Faculty ID

648

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Adult

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Male

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<p>Jonathan M. Schwartz is a board Certified Transplant Hepatologist. &nbsp;He is a graduate of Tel Aviv University, Sackler School of Medicine. He was an Internal Medicine Resident at Albert Einstein College of Medicine and a Fellow in Gastroenterology/Transplant Hepatology at the University of Washington in Seattle. &nbsp;He returned to New York in 2011 from Portland, Oregon where he served as an Associate Professor of Medicine at Oregon Health and Sciences University.</p>
<p>Dr. &nbsp;Schwartz has an interest in treating patients with acute and chronic liver diseases including those patients with advanced liver diseases who require liver transplantation.</p>
<p>He has a special interest in the multidisciplinary care of patients with liver tumors.</p>

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Selected Publications

<p><strong><br /></strong></p>
<ul>
<li>Estes JD, Stolpman D, Olyaei A, Ham JM, <strong>Schwartz JM</strong>, Orloff SL.&nbsp; High Prevalence of Potentially Hepatotoxic Herbal Supplement Use in Fulminant Hepatic Failure Patients. Arch Surg. 2003;138(8):852-8.</li>
<li><strong>Schwartz JM</strong>, Beymer C, Althaus SJ, Larson AM, Zaman A, Glickerman D, Kowdley KV.&nbsp; Cardiopulmonary Consequences of Transjugular Intrahepatic Portosystemic Shunts: Role of Increased Pulmonary Artery Pressure. J Clin Gastroenterol 2004;38(7):590-594.</li>
<li>Lim LL, Scarborough J, Thorne J, Graham E, Kempen J, Mackensen F, Nguyen Q D, Prabriputaloong T, Read R, Suhler EB, <strong>Schwartz JM</strong>, &nbsp;Smith JR. Uveitis in Patients with Autoimmune Hepatitis. Am J Ophthalmol. 2009;147(2):332-338.</li>
<li>O&rsquo;Glasser AY, Scott DA, Corless CL, Zaman A, Sasaki A, Gopal DV, Rayhill SC, Orloff SL, Ham JM, Rabkin JM, Flora K, Davies CH, Broberg CS, and <strong>Schwartz JM.</strong>Hepatic and Cardiac Iron Overload Among Patients with End-Stage Liver Disease Referred for Liver Transplantation. Clinical Transplantation. Clin Transplant. 2010 Sep-Oct;24(5):643-51.</li>
<li>Kanwal F, Befeler A, Chari R, Marrero J, Kahn J, Afdhal N, Morgan T, Roberts L, Mohanty SR, <strong>Schwartz J</strong>, Van Thiel D, Hassanein TI, Li J, Zeringue A, DiBisceglie A. Rate of Potentially Curative Treatment in Patients with Hepatocellular Carcinoma.&nbsp; Aliment Pharmacol Ther. 2012 Aug;36(3):257-65.</li>
<li>Bichoupan K1,&nbsp;<strong>Schwartz JM,</strong>&nbsp;Martel-Laferriere V,&nbsp;Giannattasio ER,&nbsp;Marfo K,&nbsp;Odin JA,&nbsp;Liu LU,&nbsp;Schiano TD,&nbsp;Perumalswami P,&nbsp;Bansal M,&nbsp;Gaglio PJ,&nbsp;Kalia H,Dieterich DT,&nbsp;Branch AD,&nbsp;Reinus JF. Effect of Fibrosis on Adverse Events in Patients with Hepatitis C Treated with Telaprevir. Aliment Pharmacol Ther.&nbsp;2014;39(2):209-16.</li>
<li><strong>Schwartz J</strong> and Carithers RL.&nbsp; Epidemiology and Etiologic Associations of Primary Hepatocellular Carcinoma.&nbsp; In Rose BD, editor. Up to date in Gastroenterology and Hepatology.&nbsp; Up to date, Inc. Wellesley, MA, Updated 2014.</li>
<li><strong>Schwartz JM </strong>and Carithers RL, Jr.&nbsp; Clinical features, diagnosis, and screening for primary hepatocellular carcinoma.&nbsp; Up to date in Gastroenterology and Hepatology.&nbsp; Up to date, Inc. Wellesley, MA, Updated 2014.</li>
<li>Curley SA, Stewart KE, <strong>Schwartz JM</strong>, Carthers RL, Jr.&nbsp; Nonsurgical therapies for localized hepatocellular carcinoma.&nbsp; Up to date, Inc. Wellesley, MA, Updated 2014.<strong>&nbsp;</strong></li>
<li><strong>Schwartz JM</strong>.&nbsp; Approach to the patient with a focal liver lesion.&nbsp; Up to date Inc Gastroenterology and Hepatology.&nbsp; Up to date, Inc. Wellesley, MA, Updated 2014.</li>
<li>Hartwell L and <strong>Schwartz JM.&nbsp; </strong>AsymptomaticLiver Chemistry Abnormalities. Journal of Clinical Outcomes Management. 2009; 16 (11): 525-34.</li>
<li>Urquhart J<strong>, Schwartz, JM.</strong> Hepatocellular Carcinoma Surveillance in a Western Population with Hepatitis B. Current Hepatitis Reports, 2011.</li>
<li><strong>Schwartz, JM </strong>and Reinus JF.&nbsp; Prevalence and Natural History of Alcoholic Liver Disease.&nbsp; Clinics in Liver Disease. 2012; 16 (4): 659-66.</li>
</ul>
<p>&nbsp;</p>

EMR ID

3842

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James M. Pullman

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First Name

James

Last Name

Pullman

NPI

1376623868

Faculty ID

11852

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Elsevier Profile

EMR ID

4377

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Anibal O Puente

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First Name

Anibal

Last Name

Puente

NPI

1821066531

Faculty ID

15608

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Elsevier Profile

EMR ID

4341

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