Marc-Alan Iwahashi, MD Family Medicine, Primary Care in Mountain View, CA
El Camino Health Medical Network
Dr. Marc Iwahashi specializes in family medicine. He has been providing care to the communities surrounding El Camino Health since 1990 and joined the Silicon Valley Medical Development team in May of 2022.
As a family medicine physician, Dr. Iwahashi treats patients of all ages. He's a strong advocate for preventing disease with a healthy lifestyle. Dr. Iwahashi is committed to caring for the physical, mental and emotional needs of his patients, as well as their families. He is fluent in both English and Japanese.
Outside his practice, Dr. Iwahashi cares for his elderly parents. He enjoys spending time with family and friends and being outdoors as much as possible.
Provider Information
Specialties
Family Medicine
Primary Care
Gender
Male
Languages
English
Japanese
Education and Board Certifications
Loma Linda University School of Medicine
Medical School
Hinsdale Hospital (Adventist)
Residency, Family Medicine
Verified Reviews
Rating Breakdown
Reviews are measured on a scale of 1 to 5, with 5 being the best score.
Question Breakdown
4.9Likelihood of recommending this provider4.8Provider discussed treatment options4.9Provider explained things clearly4.9Provider showed concern4.9Provider included you in decisions4.8Time CP spent with patient
Patient Reviews
The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
4.8 out of 5
276 ratings,
50 reviews
7/29/2026
Dr. Iwahashi is the best family doctor and all of his assistants are very friendly and professional.
7/23/2026
Dr. Iwahashi is a wonderful doctor. Reviewed my chart thoroughly and answered all my questions!
7/17/2026
Dr. Iwahashi and his staff are phenomenal.
7/14/2026
Physician was attentive and listened with care.
7/1/2026
I love Dr. Iwahashi. He is seriously the best. I have been seeing him over 20 years and drive a good 30 minutes to keep him as my primary doctor.
Insurance Coverage
Note:Please contact the practice directly to confirm your health plan is in network.
Aetna HMO
Aetna Medicare PPO
Aetna POS
Aetna PPO
Alignment Health Plan Medicare HMO
Alignment Health Plan Medicare PPO
Anthem Blue Cross Medicare PPO
Anthem Blue Cross of California Federal Employees Program (FEP)
Anthem Blue Cross of California PPO
Blue Shield of California Federal Employees Program (FEP)
Blue Shield of California High Performance Network EPO
Blue Shield of California Medicare PPO
Blue Shield of California PPO
Blue Shield of California PPO - Covered California (Santa Clara County)
Cigna HMO
Cigna PPO
Health Net HMO
Health Net Medicare Advantage Medicare HMO
Health Net POS
Health Net PPO
Medicare
Scan Health Plan Medicare HMO
TRICARE West
UnitedHealthCare HMO
UnitedHealthcare Medicare PPO
UnitedHealthcare Medicare Solutions Medicare HMO
UnitedHealthCare PPO
Valley Health Plan HMO
Valley Health Plan HMO - Covered California (Santa Clara County)
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Map & Directions
Family Medicine Cedar
2660 Grant Rd, Ste E Mountain View, CA 94040
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