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Summary
Dr. Theodore Tollivoro is a gastroenterologist and internal medicine physician who earned his medical degree from St. Louis University School of Medicine. With 13 years of clinical experience, he specializes in diagnosing and treating disorders of the digestive system while also providing comprehensive internal medicine care.
Dr. Tollivoro practices at multiple locations throughout California and Oregon, including John Muir Health Concord Medical Center, Kaiser Permanente Walnut Creek Medical Center, and Kaiser Permanente Sunnyside Medical Center in Clackamas, Oregon. He treats patients with colon polyps, abdominal pain, and cirrhosis. His procedural expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopies to diagnose and treat digestive health conditions.
Dr. Tollivoro practices at multiple locations throughout California and Oregon, including John Muir Health Concord Medical Center, Kaiser Permanente Walnut Creek Medical Center, and Kaiser Permanente Sunnyside Medical Center in Clackamas, Oregon. He treats patients with colon polyps, abdominal pain, and cirrhosis. His procedural expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopies to diagnose and treat digestive health conditions.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 13 years of experience
- St Louis University School Of Medicine
- 2 specialties
- 1 area of expertise
- 4 hospital affiliations
- 11 office locations
- Male
Office Locations
Dr. Theodore Anthony Tollivoro has 11 locationsKaiser Permanente Sunnybrook Medical Office
9900 SE Sunnyside RdClackamas, OR 97015Mon6:00 am - 6:30 pm
Tue6:00 am - 6:30 pm
Wed6:00 am - 6:30 pm
Thu6:00 am - 6:30 pm
Fri6:00 am - 6:30 pm
SatClosed
SunClosed
Dr. Theodore Anthony Tollivoro
1479 Ygnacio Valley Rd Ste 150Walnut Creek, CA 94598Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed
Dr. Theodore Anthony Tollivoro
1479 Ygnacio Valley Road Suite 200Walnut Creek, CA 94598Aspen Surgery Center
133 La Casa Via Ste 150Walnut Creek, CA 94598 Tel: (925) 937-8100
Mon6:00 am - 4:30 pm
Tue6:00 am - 4:30 pm
Wed6:00 am - 4:30 pm
Thu6:00 am - 4:30 pm
Fri6:00 am - 4:30 pm
SatClosed
SunClosed
Kaiser Permanente Walnut Creek Medical Center
1425 S Main StWalnut Creek, CA 94596 Tel: (925) 295-4000
John Muir Health Digestive Health Services
1479 Ygnacio Valley Rd Ste 150Walnut Creek, CA 94598 Tel: (925) 296-7340
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  | |
| Dr. Theodore Anthony Tollivoro, MD | Mukhdip Singh | Ivy Carmen Lin | Benjamin Wang |
| Gastroenterology | Psychiatry | Hospice & Palliative Medicine | Hospital Medicine |
| Accepts New Patients | |||
| 13 Years of Experience | 8 Years of Experience | 8 Years of Experience | 7 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Clackamas , OR | Portland , OR | Portland , OR | Gresham , OR |
| Med School: St Louis University School Of Medicine | Med School: Oregon Health & Science University School Of Medicine | Med School: University Of Arizona College Of Medicine | Med School: Medical College Of Wisconsin |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Theodore Anthony Tollivoro
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Theodore Anthony Tollivoro has the following 2 specialties
Specialty Expertise
Dr. Theodore Anthony Tollivoro has the following area of expertise
Certifications, License, & Education
13 Years Experience
Dr. Theodore Anthony Tollivoro holds active and expired medical licenses in the states of Washington, Oregon, and California.
Medical License
Medical Doctor with an active medical license in the state of Washington that expires in 2027, an expired medical license in the state of Oregon that expired in 2025, and an active medical license in the state of California that expires in 2026.
Education & Training
Medical School
Graduated from St Louis University School Of Medicine in 2013.
NPI Number
Dr. Tollivoro's NPI number is 1811230147.
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Frequently Asked Questions
- Which hospitals is Dr. Theodore Tollivoro affiliated with?
- Dr. Theodore Tollivoro is affiliated with John Muir Health Concord Medical Center, Kaiser Permanente Walnut Creek Medical Center, Walnut Creek Medical Center, and Kaiser Permanente Sunnyside Medical Center.
- Where is Dr. Theodore Tollivoro's office located?
- Dr. Theodore Tollivoro's office is located at 9900 SE Sunnyside Rd, Clackamas, OR, 97015.
- How can I make an appointment with Dr. Theodore Tollivoro?
- You can find contact information for Dr. Theodore Tollivoro here on Vitals.
- Is Dr. Theodore Tollivoro accepting new patients?
- Dr. Theodore Tollivoro is accepting new patients on Vitals. View Dr. Theodore Tollivoro's profile on Vitals to make an appointment.
- Does Dr. Theodore Tollivoro accept virtual/telehealth appointments?
- Dr. Theodore Tollivoro has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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