Contact Colorectal and Bariatric Surgeon Dat T. Nguyen, M.D., in Pleasanton

Dat T. Nguyen, M.D., is a skilled colorectal and bariatric surgeon serving Pleasanton, San Ramon, and other East Bay communities. Dr. Nguyen is a pioneer in the use of laparoscopic techniques for weight loss surgery, and performs Roux-en-Y gastric bypass surgery, LAP-BAND® System surgery and Revision of Vertical Banded Gastroplasty in the most minimally-invasive manner possible. He is also highly respected for his work in the fields of colorectal and cancer surgery and can conduct all surgeries and diagnostic tests such as colonoscopy at his practice. Contact the practice of Dat T. Nguyen, M.D., in Pleasanton for more information or to schedule a consultation. Our friendly staff will be happy to answer your questions and to help you in any way possible.

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Office Hours

Monday to Friday:
8:00 AM - 12:00 PM
1:00 PM - 4:30 PM
Saturday and Sunday:
Closed

• For non-urgent assistance or to leave a message, please call the office at (925) 460-3205.
• For urgent assistance, call the office at (925) 460-3205 or the office's answering service at (925) 556-5204
• For emergent problems, call emergency medical service at 911*. You (or your caregivers/family members/friends) should also contact Dr. Nguyen if at all possible by calling (925) 460-3205 or (925) 556-5204

Patient Forms

• Click Here to print first four forms
• Registration Form
• Financial Policy Form
• HIPAA form
• Medical Questionnaire Form
• Weight Loss Surgery Questionnaire

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Dat T. Nguyen, M.D., Inc.

5565 W. Las Positas Blvd. Ste. 360, Pleasanton, California 94588

Map and Directions

Phone: (925) 460-3205
Fax: (925) 460-3795

Dr. Nguyen's billing company:
Medex Practice Solutions Inc.
210 S Sierra Ave.
Oakdale, California 95361
1-800-249-9497 ext. 228, ext. 273 or ext. 309