Home/Providers/Family Medicine/Marc-Alan Iwahashi

Marc-Alan Iwahashi, MD

Family Medicine, Primary Care

4.8 out of 5 –

Primary Care Cedar - El Camino Health

2660 Grant Rd, Ste E Mountain View, CA 94040

Phone

408-871-3400

See location

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

Verified Reviews

Rating Breakdown

Reviews are measured on a scale of 1 to 5, with 5 being the best score.

Question Breakdown
4.8
Likelihood of recommending this provider
4.8
Provider discussed treatment options
4.8
Provider explained things clearly
4.8
Provider showed concern
4.8
Provider included you in decisions
4.7
Time 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

332 ratings,

44 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.