UmerChaudhryMD

General Surgery • Anaheim, CA

Bariatric Surgery, Surgical Oncology (Other than Breast), Minimally Invasive Surgery

Partner Physician, Southern California Permanente Medical Group, Orange County, CA

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Office
3430 E La Palma Ave
Anaheim, CA 92806
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Education & Training

Ohio State University HospitalFellowship, Advanced GI Minimally Invasive Surgery, 2013 - 2014
NYU Grossman School of MedicineResidency, Surgery, 2002 - 2009
Memorial Sloan Kettering Cancer CenterFellowship, Complex General Surgical Oncology, 2004 - 2006
Uconn School Of MedicineClass of 2002

Certifications & Licensure

CA State Medical License 2011 - 2025
NY State Medical License 2008 - 2017
OH State Medical License 2013 - 2015
American Board of Surgery Surgery

Awards, Honors, & Recognition

Fellow American College of Surgeons
Fellow of the American College of Surgeons (FACS)

Publications & Presentations

PubMed

Re:"Laparoscopic Nissen Fundoplication Controls Symptoms and Improves Disease-Specific Quality of Life in Patients with Class I and II Obesity".
Sara E Martin Del Campo, Kyle A Perry> ;Surgery. 2018 Nov 1
Pharmacotherapy in Conjunction with a Diet and Exercise Program for the Treatment of Weight Recidivism or Weight Loss Plateau Post-bariatric Surgery: a Retrospective R...
Schwartz J, Chaudhry UI, Suzo A, Durkin N, Wehr AM, Foreman KS, Tychonievich K, Mikami DJ, Needleman BJ, Noria SF> ;Obesity surgery.
6 citations
Laparoscopic Nissen fundoplication controls reflux symptoms and improves disease-specific quality of life in patients with class I and II obesity.
Sara E Martin Del Campo, Umer I Chaudhry, Aliyah Kanji, Andrew J Suzo, Kyle A Perry> ;Surgery. 2017 Nov 1
1 citations
Erratum to: Pharmacotherapy in Conjunction with a Diet and Exercise Program for the Treatment of Weight Recidivism or Weight-Loss Plateau Post-Bariatric Surgery: A Ret...
Jennifer S. Schwartz, Umer I. Chaudhry, Andrew Suzo, Nicholas Durkin, Allison M. Wehr, Kathy S. Foreman, Kirsten Tychonievich, Dean J. Mikami, Bradley Needleman, Sabre...> ;Obesity Surgery. 2016 Mar 1
14 citations
Laparoscopy in trauma: An overview of complications and related topics
Tammy L. Kindel, Nicholas Latchana, Mamta Swaroop, Umer I. Chaudhry, Sabrena Noria, Rachel L. Choron, Mark J. Seamon, Maggie J. Lin, Melissa L. Mao, James Cipolla, Mah...> ;International Journal of Critical Illness and Injury Science. 2015 Jul 1
2 citations
Bioabsorbable hernia plugs in laparoscopic inguinal herniorraphy: short-term and long-term results.
Sylvester N. Osayi, Brendan M. Marr, Umer I. Chaudhry, John G. Linn, Vimal K. Narula, Jeffrey W. Hazey, Dean J. Mikami> ;Surgical Laparoscopy, Endoscopy & Percutaneous Techniques. 2015 Apr 1
99 citations
Near-infrared fluorescent cholangiography facilitates identification of biliary anatomy during laparoscopic cholecystectomy
Sylvester N. Osayi, Mark R. Wendling, Joseph M. Drosdeck, Umer I. Chaudhry, Kyle A. Perry, Sabrena Noria, Dean J. Mikami, Bradley Needleman, Peter Muscarella, Mahmoud ...> ;Surgical Endoscopy. 2015 Jan 14
49 citations
Laparoscopic sleeve gastrectomy in morbidly obese patients with end-stage heart failure and left ventricular assist device: medium-term results
Umer I. Chaudhry, Aliyah Kanji, Chittoor B. Sai-Sudhakar, Robert S.D. Higgins, Bradley Needleman> ;Surgery for Obesity and Related Diseases. 2015 Jan 1
10 citations
Laparoscopic adjustable gastric banded plication: case-matched study from a single U.S. center
Umer I. Chaudhry, Sylvester N. Osayi, Andrew Suzo, Sabrena Noria, Dean J. Mikami, Bradley Needleman> ;Surgery for Obesity and Related Diseases. 2015 Jan 1
10 citations
Susceptibility-weighted MR imaging: a better technique in the detection of capillary telangiectasia compared with T2* gradient-echo.
Umar S. Chaudhry, D.E. De Bruin, B.A. Policeni> ;AJNR. American Journal of Neuroradiology. 2014 Dec 1
3 citations
The perfect storm: a foreign body and splenic infarct mimicking a sleeve gastrectomy leak.
Umer I. Chaudhry, Dean J. Mikami> ;Surgery for Obesity and Related Diseases. 2014 Nov 1
15 citations
Laparoscopic Roux-en-Y gastric bypass for treatment of symptomatic paraesophageal hernia in the morbidly obese: medium-term results.
Umer I. Chaudhry, Brendan M. Marr, Sylvester N. Osayi, Dean J. Mikami, Bradley Needleman, W. Scott Melvin, Kyle A. Perry> ;Surgery for Obesity and Related Diseases. 2014 Nov 1
1 citations
Comment on: Three-year weight outcomes from a bariatric surgery registry in a large integrated healthcare system.
Umer I. Chaudhry, Bradley Needleman> ;Surgery for Obesity and Related Diseases. 2014 May 1
30 citations
Advances in the surgical management of gastrointestinal stromal tumor.
Umer I. Chaudhry, Ronald P. DeMatteo> ;Advances in Surgery. 2011 Sep 1
54 citations
Obstructive Jaundice Expands Intrahepatic Regulatory T Cells, Which Impair Liver T Lymphocyte Function but Modulate Liver Cholestasis and Fibrosis
Steven C. Katz, Kristin Ryan, Naseem Ahmed, George Plitas, Umer I. Chaudhry, T. Peter Kingham, Seema Naheed, Cang T. Nguyen, Ponnandai Somasundar, N. Joseph Espat, Ric...> ;Journal of Immunology. 2011 Aug 1
2 citations
Abdominal Cystic Lymphangiomatosis
Todd S. Cutler, Umer I. Chaudhry, Pratibha Shukla, Spiros P. Hiotis, Steven C. Katz> ;The American Surgeon. 2010 Dec 1
25 citations
Management of resectable gastrointestinal stromal tumor.
Umer I. Chaudhry, Ronald P. DeMatteo> ;Hematology/oncology Clinics of North America. 2009 Feb 1
17 citations
NK Dendritic Cells Expanded in IL-15 Exhibit Antitumor Responses In Vivo
Umer I. Chaudhry, George Plitas, Bryan M. Burt, T. Peter Kingham, Jesse R. Raab, Ronald P. DeMatteo> ;Journal of Immunology. 2007 Oct 1
33 citations
NK Dendritic Cells Are Innate Immune Responders to Listeria monocytogenes Infection
George Plitas, Umer I. Chaudhry, T. Peter Kingham, Jesse R. Raab, Ronald P. DeMatteo> ;Journal of Immunology. 2007 Apr 1
54 citations
Murine liver plasmacytoid dendritic cells become potent immunostimulatory cells after Flt-3 ligand expansion
T. Peter Kingham, Umer I. Chaudhry, George Plitas, Steven C. Katz, Jesse R. Raab, Ronald P. DeMatteo> ;Hepatology. 2007 Feb 1
56 citations
Combined Stimulation with Interleukin-18 and CpG Induces Murine Natural Killer Dendritic Cells to Produce IFN-γ and Inhibit Tumor Growth
Umer I. Chaudhry, T. Peter Kingham, George Plitas, Steven C. Katz, Jesse R. Raab, Ronald P. DeMatteo> ;Cancer Research. 2006 Nov 1
30 citations
Biliary Obstruction Selectively Expands and Activates Liver Myeloid Dendritic Cells
Joshua I. Bleier, Steven C. Katz, Umer I. Chaudhry, Venu G. Pillarisetty, T. Peter Kingham, Alaap B. Shah, Jesse R. Raab, Ronald P. DeMatteo> ;Journal of Immunology. 2006 Jun 15
32 citations
IN VIVO OVEREXPRESSION OF FLT3 LIGAND EXPANDS AND ACTIVATES MURINE SPLEEN NATURAL KILLER DENDRITIC CELLS
Umer I. Chaudhry, Steven C. Katz, T. Peter Kingham, Venu G. Pillarisetty, Jesse R. Raab, Alaap B. Shah, Ronald P. DeMatteo> ;FASEB Journal. 2006 May 1
26 citations
Conventional liver CD4 T cells are functionally distinct and suppressed by environmental factors
Steven C. Katz, Venu G. Pillarisetty, Joshua I. Bleier, T. Peter Kingham, Umer I. Chaudhry, Alaap B. Shah, Ronald P. DeMatteo> ;Hepatology. 2005 Aug 1
34 citations
Combined simultaneous endoscopic transsphenoidal and endoscopic transventricular resection of a giant pituitary macroadenoma.
Jeffrey P. Greenfield, Lewis Z. Leng, Umar S. Chaudhry, Seth M. Brown, Vijay K. Anand, Mark M. Souweidane, Theodore H. Schwartz> ;Minimally Invasive Neurosurgery. 2008 Oct 1
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Professional Memberships

Society of American Gastrointestinal and Endoscopic Surgeons - SAGES
Member
American Society for Metabolic and Bariatric Surgery - ASMBS
Candidate Member
Society for Surgery of the Alimentary Tract - SSAT
Member
American College of Surgeons - ACS
Member

Hospital Affiliations

Kaiser Permanente Orange County Anaheim Medical CenterAnaheim, California