3.1
9 Ratings with 4 written Reviews
Summary
Dr. Timmothy Merrigan is a family medicine physician who earned his medical degree from the Medical College of Wisconsin. He completed his residency training at Kaiser Permanente Medical Center, building a strong foundation in comprehensive primary care. With over three decades of medical practice, Dr. Merrigan has developed extensive expertise in treating patients across all age groups.
Dr. Merrigan practices at multiple Kaiser Permanente locations throughout Northern California, including facilities in Walnut Creek, San Leandro, and Antioch. He specializes in managing diabetes, including Type 2 diabetes in both children and adults. His approach to patient care includes ordering comprehensive blood work and metabolic panels to monitor his patients' health and track treatment progress. Patients have given Dr. Merrigan an average rating of 3.1 on Vitals.
Dr. Merrigan practices at multiple Kaiser Permanente locations throughout Northern California, including facilities in Walnut Creek, San Leandro, and Antioch. He specializes in managing diabetes, including Type 2 diabetes in both children and adults. His approach to patient care includes ordering comprehensive blood work and metabolic panels to monitor his patients' health and track treatment progress. Patients have given Dr. Merrigan an average rating of 3.1 on Vitals.
AI-generated from data on this provider profile.
Quick Facts
- 31 years of experience
- 15 insurance plans accepted
- Kaiser Permanente Medical Center
- 4 written reviews
- 1 specialty
- 6 areas of expertise
- 1 board certification
- 4 office locations
- Male
Office Locations
Dr. Timmothy O Merrigan has 4 locationsThe Permanente Medical Group Inc Park Shadelands Medical Offices
320 Lennon LnWalnut Creek, CA 94598 Tel: (925) 906-2000
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed
Kaiser Permanente Walnut Creek Medical Center
1425 S Main StWalnut Creek, CA 94596 Tel: (925) 295-4000
Compare with Similar Doctors
 |  |  |  |
| Dr. Timmothy O Merrigan, MD | Dr. Tamara Montacute | Nicole Baldwin, APRN, FNP-BC | Dr. Anastasia Eileen Buerger |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 31 Years of Experience | 13 Years of Experience | 8 Years of Experience | 11 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | ||
| Walnut Creek , CA | Palo Alto , CA | Orlando , FL | Long Beach , CA |
| Med School: Medical College Of Wisconsin | Med School: Stanford University School Of Medicine | Med School: Western University of Health Sciences, DO | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Timmothy O Merrigan
Medical Specialties
Dr. Timmothy O Merrigan has the following specialty
Specialty Expertise
Dr. Timmothy O Merrigan has the following 6 areas of expertise
Certifications, License, & Education
31 Years Experience
MEDICAL LICENSE
Medical Doctor, California, 2026, Active
EDUCATION & TRAINING
Residency
Kaiser Permanente Medical Center
Medical School
Medical College Of Wisconsin
Medical College Of WisconsinGraduated in 1995
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Frequently Asked Questions
- Is Dr. Timmothy Merrigan accepting new patients?
- Dr. Timmothy Merrigan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Timmothy Merrigan accept virtual/telehealth appointments?
- Dr. Timmothy Merrigan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Timmothy Merrigan accept my insurance?
- You can see the insurance plans that Dr. Timmothy Merrigan accepts on their Vitals profile.
- Where is Dr. Timmothy Merrigan's office located?
- Dr. Timmothy Merrigan's office is located at 320 Lennon Ln, Walnut Creek, CA, 94598.
- How can I make an appointment with Dr. Timmothy Merrigan?
- You can find contact information for Dr. Timmothy Merrigan here on Vitals.
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