Home/Providers/Family Medicine/Marc-Alan Iwahashi

Marc-Alan Iwahashi, MD

Family Medicine
Marc-Alan Iwahashi image
4.8 out of 5 | 
El Camino Health Medical Network

Primary Care Cedar - El Camino Health

2660 Grant Rd, Ste E
Mountain View, CA 94040

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.

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Verified 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
335 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.

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Map & Directions

Primary Care Cedar - El Camino Health

2660 Grant Rd, Ste E Mountain View, CA 94040
Monday - Friday

8:00 am - 5:00 pm

Saturday - Sunday

Closed