Dr. Mark Lane Welton MD

Dr. Mark Welton is a colon & rectal surgery doctor in Palo Alto, California. He is affiliated with multiple hospitals in the area, including Menlo Park Surgical Hospital and Stanford Hospital and Clinics. He received his medical degree from David Geffen School of Medicine at UCLA and has been in practice for 30 years. Dr. Welton accepts several types of health insurance, listed below. He is one of 2 doctors at Menlo Park Surgical Hospital and one of 3 at Stanford Hospital and Clinics who specialize in Colon & Rectal Surgery.

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Office Location

See Contact Information

Specialty & Clinical Interests

General Colon & Rectal Surgery

Clinical Interests: Inflammatory bowel disease, Colon/colon cancer, Colorectal Cancer, IBD, Anal Cancer

Education & Medical Training

UCLA Medical Center
Residency, General Surgery, 1984 - 1991

Barnes-Jewish Hospital
Residency, Colon and Rectal Surgery, 1992 - 1993

David Geffen School of Medicine at UCLA
Class of 1984

Certifications & Licensure

American Board of Colon and Rectal Surgery
Certified 20 years in Colon & Rectal Surgery

American Board of Surgery
Certified 22 years in Surgery

CA State Medical License
Active through 2013

Publications & Presentations

Progression of anal high-grade squamous intraepithelial lesions to invasive anal cancer among HIV-infected men who have sex with men.
Berry, J. M.,Jay, N.,Cranston, R. D.,Darragh, T. M.,Holly, E. A.,Welton, M. L.,Palefsky, J. M.

Predictors of postoperative urinary retention after colorectal surgery.
Kin, C.,Rhoads, K. F.,Jalali, M.,Shelton, A. A.,Welton, M. L.

p16 is superior to ProEx C in identifying high-grade squamous intraepithelial lesions (HSIL) of the anal canal.
Bala, R.,Pinsky, B. A.,Beck, A. H.,Kong, C. S.,Welton, M. L.,Longacre, T. A.

See all 20 publications

Insurances Accepted

  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS California PPO
  • BCBS Massachusetts Blue Care Elect PPO
  • Blue Shield California PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • Coventry Health Care PPO Platinum
  • First Health PPO
  • Multiplan PHCS PPO
  • Multiplan PHCS PPO - Kaiser
  • Multiplan PPO
  • Tufts Health Plan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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