Marc-Alan Iwahashi, MD
Family Medicine, Primary Care
Primary Care Cedar - El Camino Health
2660 Grant Rd, Ste E, Mountain View, CA 94040
Office Number
408-871-3400Online Booking
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.
About Marc-Alan
Specialties
Family Medicine
Primary Care
Gender
Male
Languages
English
Japanese
Education
Loma Linda University School of Medicine
Medical School
Hinsdale Hospital (Adventist)
Residency, Family Medicine
Patient Reviews
Rating Breakdown
Reviews are measured on a scale of 1 to 5, with 5 being the best score.
Question Breakdown
4.8Likelihood of recommending this provider4.8Provider discussed treatment options4.8Provider explained things clearly4.8Provider showed concern4.8Provider included you in decisions4.7Time 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
338 ratings,
45 reviews
11/27/2025
We've been seeing Dr Iwahashi for decades and are very happy with him.
11/25/2025
He is excellent doctor.
11/2/2025
The experience and timelness was excellent
10/23/2025
Have had Dr Iwahashi as my primary care provider for approx 35 years. Would not want any other. Has been an excellent provider for all these years.
9/17/2025
Even though my symptom was intermittent and difficult to explain, the doctor was very patient and heard me through with utmost care. We really appreciate his genuine concern for us patients.
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)
Map & Directions
Primary Care Cedar - El Camino Health
2660 Grant Rd, Ste E,Mountain View, CA 94040