CliffordLSimmangMDMS

Colon & Rectal Surgery • Grapevine, TX

Chief medical officer at Baylor Grapevine

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Office
1600 W College St
Ste 440
Grapevine, TX 76051
Phone+1 817-865-6200

Fax+1 817-865-6056
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Education & Training

Washington University/B-JH/SLCH ConsortiumResidency, Colon and Rectal Surgery, 1991 - 1992
San Antonio Uniformed Services Health Education ConsortiumResidency, Surgery, 1982 - 1987
University of Texas Medical Branch School of MedicineClass of 1982

Certifications & Licensure

TX State Medical License 1983 - 2025
American Board of Colon and Rectal Surgery Colon & Rectal Surgery
American Board of Surgery Surgery
American Board of Colon and Rectal SurgeryColon and Rectal Surgery

Awards, Honors, & Recognition

Best Doctors D Magazine
Regional Top Doctor Castle Connolly, 2014
CMS Meaningful Use Stage 1 Certification athenaClinicals EHR, athenahealth, Inc, 2012-2013
President of ABCRS ABCRS
Member RRC - Colon and Rectal Surgery ACGME
Board of Trustees Dallas County Medical Society
Best Doctors The Best Doctors in America
Super Doctor SuperDoctors.com
Fellow (FACS) American College of Surgeons
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Publications & Presentations

PubMed

23 citations
Surgical quality surrogates do not predict colon cancer survival in the setting of technical credentialing: a report from the prospective COST trial.
Kellie L. Mathis, Erin M. Green, Daniel J. Sargent, Conor P. Delaney, Clifford L. Simmang, Heidi Nelson> ;Annals of Surgery. 2013 Jan 1
33 citations
Adoption of laparoscopic colectomy: results and implications of ASCRS hands-on course participation.
Howard M. Ross, Clifford L. Simmang, James W. Fleshman, Peter W. Marcello> ;Surgical Innovation. 2008 Jul 9
6 citations
Reoperation following minimally invasive surgery: are the "rules" different?
James T. McCormick, Clifford L. Simmang> ;Clinics in Colon and Rectal Surgery. 2006 Nov 1
110 citations
Guidelines for colonoscopy surveillance after cancer resection: a consensus update by the American Cancer Society and US Multi-Society Task Force on Colorectal Cancer.
Douglas K. Rex, Charles J. Kahi, Bernard Levin, Robert A. Smith, John H. Bond, Durado Brooks, Randall W. Burt, Tim Byers, Robert H. Fletcher, Neil Hyman, David W. John...> ;CA. 2006 May 1
360 citations
Guidelines for colonoscopy surveillance after polypectomy: A consensus update by the US Multi-Society Task Force on Colorectal Cancer and the American Cancer Society
Sidney J. Winawer, Ann G. Zauber, Robert H. Fletcher, Jonathon S. Stillman, Michael J. O'Brien, Bernard Levin, Robert A. Smith, David Lieberman, Randall W. Burt, Theod...> ;CA. 2006 May 1
573 citations
Guidelines for colonoscopy surveillance after polypectomy: a consensus update by the US Multi-Society Task Force on Colorectal Cancer and the American Cancer Society.
Sidney J. Winawer, Ann G. Zauber, Robert H. Fletcher, Jonathon S. Stillman, Michael J. O'Brien, Bernard Levin, Robert A. Smith, David Lieberman, Randall W. Burt, Theod...> ;Gastroenterology. 2006 May 1
269 citations
Guidelines for Colonoscopy Surveillance After Cancer Resection: A Consensus Update by the American Cancer Society and the US Multi-Society Task Force on Colorectal Cancer
Douglas K. Rex, Charles J. Kahi, Bernard Levin, Robert A. Smith, John H. Bond, Durado Brooks, Randall W. Burt, Tim Byers, Robert H. Fletcher, Neil Hyman, David W. John...> ;Gastroenterology. 2006 May 1
28 citations
Screening methods for high-grade dysplasia in patients with anal condyloma.
Harry T. Papaconstantinou, Augustine J. Lee, Clifford Simmang, Raheela Ashfaq, Sefik T. Gokaslan, Saul Sokol, Philip J. Huber, Sharon G. Gregorcyk> ;The Journal of Surgical Research. 2005 Jul 1
55 citations
Outcome of HIV-Infected Patients With Invasive Squamous-Cell Carcinoma of the Anal Canal in the Era of Highly Active Antiretroviral Therapy
Ronney F. Stadler, Sharon G. Gregorcyk, David M. Euhus, Ronald J. Place, Philip J. Huber, Clifford Simmang> ;Diseases of the Colon and Rectum. 2004 Jun 29
105 citations
Practice Parameters for Colon Cancer
Daniel Otchy, Neil Hyman, Clifford Simmang, Thomas Anthony, W. Donald Buie, Peter A. Cataldo, James M. Church, Jeffrey A. Cohen, Frederick Dentsman, C. Neal Ellis, Joh...> ;Diseases of the Colon and Rectum. 2004 Jun 29
95 citations
Practice parameters for the surveillance and follow-up of patients with colon and rectal cancer.
Thomas Anthony, Clifford Simmang, Neil Hyman, Donald Buie, Donald G. Kim, Peter A. Cataldo, Charles P. Orsay, James M. Church, Daniel Otchy, Jeffery Cohen, W. Brian Pe...> ;Diseases of the Colon and Rectum. 2004 May 4
91 citations
Practice parameters for the treatment of patients with dominantly inherited colorectal cancer (familial adenomatous polyposis and hereditary nonpolyposis colorectal ca...
James M. Church, Clifford Simmang, Standards Task Force, Rectal Surgeons> ;Diseases of the Colon and Rectum. 2003 Aug 1
23 citations
Practice parameters for ambulatory anorectal surgery.
Ronald J. Place, Neal Hyman, Clifford Simmang, Peter A. Cataldo, James M. Church, Jeffrey A. Cohen, Frederick J Denstman, John Kilkenny, Juan J. Nogueras, Charles P. O...> ;Diseases of the Colon and Rectum. 2003 May 1
155 citations
Identification and validation of genes involved in the pathogenesis of colorectal cancer using cDNA microarrays and RNA interference.
Noelle S. Williams, Richard B. Gaynor, Shane Scoggin, Udit Verma, Tunc Gokaslan, Clifford Simmang, Jason B. Fleming, Denise Tavana, Eugene P. Frenkel> ;Clinical Cancer Research. 2003 Mar 1
1644 citations
COLORECTAL CANCER SCREENING AND SURVEILLANCE: CLINICAL GUIDELINES AND RATIONALE-UPDATE BASED ON NEW EVIDENCE
Sidney J. Winawer, Robert H. Fletcher, Douglas K. Rex, John H. Bond, Randall W. Burt, Joseph T. Ferrucci, Theodore G. Ganiats, Theodore R. Levin, Steven H. Woolf, Davi...> ;Gastroenterology. 2003 Feb 1
168 citations
Emergency Surgery for Colon Carcinoma
Lane Smothers, Linda S. Hynan, Jason B. Fleming, Richard H. Turnage, Clifford Simmang, Thomas Anthony> ;Diseases of the Colon and Rectum. 2003 Jan 1
6 citations
Principles of privileging and credentialing for endoscopy and colonoscopy.
Steven D. Wexner, Glenn M. Eisen, Clifford Simmang> ;Diseases of the Colon and Rectum. 2002 Feb 1
42 citations
Principles of privileging and credentialing for endoscopy and colonoscopy.
Steven D. Wexner, Demitrius Litwin, Jeffrey L. Cohen, David B. Earle, George Ferzli, James Flaherty, Scott Graham, Santiago Horgan, Brian L. Katz, Michael Kavic, John ...> ;Gastrointestinal Endoscopy. 2002 Feb 1
18 citations
Principles of privileging and credentialing for endoscopy and colonoscopy
Steven D. Wexner, Glenn M. Eisen, Clifford Simmang> ;Surgical Endoscopy. 2002 Jan 17
41 citations
Consensus statement of definitions for anorectal physiology and rectal cancer
Ann C. Lowry, Clifford Simmang, Paul Boulos, K. Chip Farmer, Paul J. Finan, Neil Hyman, Mark Killingback, David Z. Lubowski, Richard Moore, Campbell Penfold, Paul Savo...> ;ANZ Journal of Surgery. 2001 Oct 1
13 citations
Practice parameters for the identification and testing of patients at risk for dominantly inherited colorectal cancer--supporting documentation.
James M. Church, Ann C. Lowry, Clifford Simmang> ;Diseases of the Colon and Rectum. 2001 Oct 1
41 citations
Consensus statement of definitions for anorectal physiology and rectal cancer.
Ann C. Lowry, Clifford Simmang, Paul Boulos, K. C. Farmer, Paul J. Finan, Neil Hyman, Mark Killingback, David Z. Lubowski, Richard Moore, Campbell Penfold, Paul Savoca...> ;Colorectal Disease. 2001 Jul 6
71 citations
Consensus statement of definitions for anorectal physiology and rectal cancer: report of the Tripartite Consensus Conference on Definitions for Anorectal Physiology an...
Ann C. Lowry, Clifford Simmang, Paul Boulos, Chip K. Farmer, Paul J. Finan, Neil Hyman, Mark Killingback, David Z. Lubowski, Richard Moore, Campbell Penfold, Paul Savo...> ;Diseases of the Colon and Rectum. 2001 Jul 1
68 citations
Outcome analysis of HIV-positive patients with anal squamous cell carcinoma.
Ronald J. Place, Sharon G. Gregorcyk, Philip J. Huber, Clifford Simmang> ;Diseases of the Colon and Rectum. 2001 Apr 1
67 citations
Primary colonic lymphoma.
N. Doolabh, Thomas Anthony, Clifford Simmang, S. Bieligk, Edward L. Lee, Philip J. Huber, Randall S. Hughes, Richard H. Turnage> ;Journal of Surgical Oncology. 2000 Aug 1
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