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Summary
Dr. Atenodoro Ruiz is a gastroenterologist with 34 years of experience treating digestive system conditions and disorders. He earned his medical degree from the University of the Philippines Manila College of Medicine, bringing extensive knowledge to his practice in California. Dr. Ruiz communicates with patients in English.
Dr. Ruiz practices at multiple locations throughout the Bay Area, including Kaiser Permanente Santa Clara Medical Center in Santa Clara, Wilma Chan Highland Hospital Campus in Oakland, Kaiser Permanente Oakland Medical Center in Oakland, and Alta Bates Summit Medical Center Summit Campus in Oakland. His long career in gastroenterology has given him comprehensive experience in diagnosing and managing conditions affecting the stomach, intestines, and other parts of the digestive tract. Patients benefit from his decades of specialized training and clinical practice in this important area of medicine.
Dr. Ruiz practices at multiple locations throughout the Bay Area, including Kaiser Permanente Santa Clara Medical Center in Santa Clara, Wilma Chan Highland Hospital Campus in Oakland, Kaiser Permanente Oakland Medical Center in Oakland, and Alta Bates Summit Medical Center Summit Campus in Oakland. His long career in gastroenterology has given him comprehensive experience in diagnosing and managing conditions affecting the stomach, intestines, and other parts of the digestive tract. Patients benefit from his decades of specialized training and clinical practice in this important area of medicine.
Overview based on verified provider data
Quick Facts
- 34 years of experience
- speaks English
- University Of The Philippines Manila College Of Medicine
- 1 specialty
- 4 hospital affiliations
- 4 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
Based on patient feedback. Read the reviews
Office Locations
Dr. Atenodoro Marciano Ruiz has 4 locationsKaiser Permanente Santa Clara Medical Center
700 Lawrence ExpySanta Clara, CA 95051 Tel: (408) 851-1000
Alta Bates Summit Medical Center Summit Campus
350 Hawthorne AveOakland, CA 94609 Tel: (510) 655-4000
Compare with Similar Doctors
 |  |  |  |
| Dr. Atenodoro Marciano Ruiz | Dr. Sarah Streett | Dr. Tami Daugherty | Dr. Subhas Banerjee |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 34 Years of Experience | 35 Years of Experience | 27 Years of Experience | 43 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | Speaks English, Spanish | Speaks English |
| Santa Clara , CA | Stanford , CA | Stanford , CA | Palo Alto , CA |
| Med School: University Of The Philippines Manila College Of Medicine | Med School: Johns Hopkins University School Of Medicine | Med School: COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS | Med School: Armed Forces Medical College |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Atenodoro Marciano Ruiz
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Atenodoro Marciano Ruiz has the following specialty
Certifications, License, & Education
34 Years Experience
Dr. Atenodoro Marciano Ruiz holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Education & Training
Medical School
Graduated from University Of The Philippines Manila College Of Medicine in 1992.
NPI Number
Dr. Ruiz's NPI number is 1154408003.
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Frequently Asked Questions
- How can I make an appointment with Dr. Atenodoro Ruiz?
- You can find contact information for Dr. Atenodoro Ruiz here on Vitals.
- Where is Dr. Atenodoro Ruiz's office located?
- Dr. Atenodoro Ruiz's office is located at 700 Lawrence Expy, Santa Clara, CA, 95051.
- Which hospitals is Dr. Atenodoro Ruiz affiliated with?
- Dr. Atenodoro Ruiz is affiliated with Kaiser Permanente Santa Clara Medical Center, Wilma Chan Highland Hospital Campus, Kaiser Permanente Oakland Medical Center, and Alta Bates Summit Medical Center Summit Campus.
- Does Dr. Atenodoro Ruiz accept my insurance?
- You can see the insurance plans that Dr. Atenodoro Ruiz accepts on their Vitals profile.
- Does Dr. Atenodoro Ruiz accept virtual/telehealth appointments?
- Dr. Atenodoro Ruiz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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