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Summary
Dr. Mariko Ishiyama is a board-certified family medicine physician who also specializes in hospital medicine. She earned her medical degree from Touro University California College of Osteopathic Medicine and completed her residency training at Paradise Medical. With 14 years of experience in patient care, Dr. Ishiyama brings extensive knowledge in both outpatient family practice and inpatient hospital settings.
Dr. Ishiyama is affiliated with John Muir Health Concord Medical Center and Walnut Creek Medical Center, providing care to patients in Concord and Alamo, California. She treats patients with high blood pressure and kidney disease, helping manage these common but serious health conditions. Her practice includes diagnostic imaging services such as chest X-rays and comprehensive blood work to monitor patient health and guide treatment decisions.
Dr. Ishiyama is affiliated with John Muir Health Concord Medical Center and Walnut Creek Medical Center, providing care to patients in Concord and Alamo, California. She treats patients with high blood pressure and kidney disease, helping manage these common but serious health conditions. Her practice includes diagnostic imaging services such as chest X-rays and comprehensive blood work to monitor patient health and guide treatment decisions.
Overview based on verified provider data
Quick Facts
- 14 years of experience
- Paradise Medical
- 2 specialties
- 8 areas of expertise
- 2 board certifications
- 2 hospital affiliations
- 2 office locations
- Female
Office Locations
Dr. Mariko Ishiyama has 2 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. Mariko Ishiyama, DO | Nicole Baldwin, APRN, FNP-BC | Dr. Shakeilla Smithbey, MD | Dr. Georgine Nanos, MD |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 14 Years of Experience | 8 Years of Experience | 15 Years of Experience | 24 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English, Spanish | |
| Concord , CA | Orlando , FL | Houston , TX | Encinitas , CA |
| Med School: Touro University California College Of Osteopathic Medicine | Med School: Howard University College Of Medicine | Med School: George Washington University School Of Medicine & Health Sciences | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mariko Ishiyama
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Mariko Ishiyama has the following 2 specialties
Specialty Expertise
Dr. Mariko Ishiyama has the following 8 areas of expertise
Certifications, License, & Education
14 Years Experience
Dr. Mariko Ishiyama holds an expired medical license in the state of California.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of California that expired in 2026.
Education & Training
Residency
Completed their residency at Paradise Medical.
Medical School
Graduated from Touro University California College Of Osteopathic Medicine in 2012.
NPI Number
Dr. Ishiyama's NPI number is 1952662991.
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Frequently Asked Questions
- Does Dr. Mariko Ishiyama accept my insurance?
- You can see the insurance plans that Dr. Mariko Ishiyama accepts on their Vitals profile.
- Does Dr. Mariko Ishiyama accept virtual/telehealth appointments?
- Dr. Mariko Ishiyama has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Is Dr. Mariko Ishiyama accepting new patients?
- Dr. Mariko Ishiyama has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Mariko Ishiyama affiliated with?
- Dr. Mariko Ishiyama is affiliated with John Muir Health Concord Medical Center and Walnut Creek Medical Center.
- How can I make an appointment with Dr. Mariko Ishiyama?
- You can find contact information for Dr. Mariko Ishiyama here on Vitals.
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