Dr. John J Feng MD Surgeon

Dr. John Feng is a surgeon in Redwood City, California. He is affiliated with multiple hospitals in the area, including California Pacific Medical Center and El Camino Hospital. He received his medical degree from UCSF School of Medicine and has been in practice for 21 years. Dr. Feng accepts several types of health insurance, listed below. He is one of 39 doctors at California Pacific Medical Center and one of 38 at El Camino Hospital who specialize in Surgery. He also speaks multiple languages, including Chinese (Mandarin).

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Office Location

See Contact Information

Specialty & Clinical Interests

Surgeon: General Surgery, Bariatric

Clinical Interests: Laparoscopy/laparoscopic surgery, Bariatric medicine, Minimally invasive surgery, Advanced Laparoscopic and Minimally Invasive Surgery, General Surgery, Bariatric Surgery, Gastric Bypass, Sleeve Gastrectomy, Lap Band Surgery

Education & Medical Training

University of California at San Francisco
Residency, General Surgery, 2001

Mount Sinai School of Medicine
Fellowship, 2002

University of California at San Francisco
Internship, General Surgery, 1993 - 1994

UCSF School of Medicine
Class of 1993

Certifications & Licensure

American Board of Family Medicine
Certified 25 years in Family Medicine

WI State Medical License
Active through 2013

Publications & Presentations

Hyperoxia and angiogenesis.
Hopf, H.W., Gibson, J.J., Angeles, A.P., Constant, J.S., Feng, J.J., Rollins, M.D., Zamirul Hussain, M., Hunt, T.K.

Effect of standard vs extended Roux limb length on weight loss outcomes after laparoscopic Roux-en-Y gastric bypass.
Feng, J. J., Gagner, M., Pomp, A., Korgaonkar, N. M., Jacob, B. P., Chu, C. A., Voellinger, D. C., Quinn, T., Herron, D. M., Inabnet, W. B.

The early effect of the Roux-en-Y gastric bypass on hormones involved in body weight regulation and glucose metabolism.
Rubino, F., Gagner, M., Gentileschi, P., Kini, S., Fukuyama, S., Feng, J., Diamond, E.

See all 10 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS Georgia Blue Choice HMO
  • BCBS Georgia Blue Open Access POS
  • BCBS Georgia BlueChoice Option POS
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • Tufts Health Plan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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