Professor of Surgery, Chief Colon and Rectal Surgery, Vice Chief of Staff
Colon & Rectal Surgery
Dr. Mark L. Welton, MD
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Mark L. Welton is an expert in the field of Colon & Rectal Surgery. He studied medicine at David Geffen School of Medicine at UCLA. David Geffen School of Medicine at UCLA is a top medical university. David Geffen School of Medicine at UCLA is ranked 13 in research and 7 in primary care medicine He over the years received 4 awards: "America's Top Doctors", "America's Top Doctors for Cancer", "CMS Meaningful Use Stage 1 Certification" and "Fellow (FACS)". Mark Welton is also a published doctor. He has 22 paper published. The most recent paper is: Prevalence of Anal Dysplasia in Patients With Inflammatory Bowel Disease. Mark L. Welton accepts Medicare payments and is registered with Medicare.gov.
Publications
- Prevalence of Anal Dysplasia in Patients With Inflammatory Bowel Disease.
- Progression of Anal high-grade squamous intraepithelial lesions to invasive Anal cancer among HIV-infected men who have sex with men.
- Predictors of postoperative urinary retention after coloRectal surgery.
- p16 is superior to ProEx C in identifying high-grade squamous intraepithelial lesions (HSIL) of the Anal cAnal.
- Orthovoltage intraoperative radiotherapy for locally advanced and recurrent coloRectal cancer.
- Intensity-modulated radiation therapy versus conventional radiation therapy for squamous cell carcinoma of the Anal cAnal.
- Management of Anal squamous intraepithelial lesions.
- Mechanical bowel preparation in intestinal surgery: a meta-Analysis and review of the literature.
- Diagnostic problems in Anal pathology.
- High-resolution anoscopy targeted surgical destruction of Anal high-grade squamous intraepithelial lesions: a ten-year experience.
- High resolution anoscopy in the planned staged treatment of Anal squamous intraepithelial lesions in HIV-negative patients.
- Role of human papillomavirus in squamous cell metaplasia-dysplasia-Carcinoma of the rectum.
- Transperineal repair of persistent rectovaginal Fistulas using an acellular cadaveric dermal graft (AlloDerm).
- High resolution anoscopy and targeted treatment of high-grade squamous intraepithelial lesions.
- AnoRectal sexually transmitted infections in men who have sex with men--special considerations for clinicians.
- Human papillomavirus, condylomata acuminata, and Anal neoplasia.
- Anal cancer and its precursors in HIV-positive patients: perspectives and management.
- The etiology and epidemiology of Anal cancer.
- Rectourethral Fistulae: the perineal approach.
- Expression and endocytosis of VEGF and its receptors in human colonic vascular endothelial cells.
- Surgical treatment of high-grade Anal squamous intraepithelial lesions: a prospective study.
Schools
David Geffen School Of Medicine At UCLA University Of California Los Angeles
Barnes Jewish Hospital
Procedures Preformed
- Anoscopy With Removal of Anal Tumor
- Colectomy
- Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
- Destruction of Anal Tumor
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Conditions Treated
- Anal and Rectal Cancer
- Anal Fissure
- Anal Fistula
- AnoRectal Abscess
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Doctors Specialties
- General Surgery
Accepted Insurances
Awards
- America's Top Doctors
- America's Top Doctors for Cancer
- CMS Meaningful Use Stage 1 Certification
- Fellow (FACS)
Education
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Barnes-Jewish Hospital -
UCLA Medical Center -
David Geffen School of Medicine at UCLA
Hospital
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VA Palo Alto Health Care System -
Menlo Park Surgical Hospital -
Stanford Health Care -
Lucile Packard Children's Hospital Stanford
Drug Facts
| NPI NUMBER | 1184768624 | |
| NPPES Provider LastName | WELTON | |
| NPPES Provider FirstName | MARK | |
| NPPES Provider ZIPCode | 943042205 | |
| NPPES Provider State | CA | |
| Specialty Description | General Surgery | |
| Total Claim Count | 81.0 | |
| Distinct Opioid Count | 1.0 | |
| Opioid Claim Count | 31.0 | |
| Percent Opioid Claims | 38.27 |
Helpful Reviews
Medicare Facts
| National Provider Identifier [NPI] | 1184768624 |
| Last Name Of The Provider | WELTON |
| First Name Of The Provider | MARK |
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