Marc-Alan Iwahashi, MD
Family Medicine, Primary Care
4.9 out of 5 –
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
Primary Care
Gender
Male
Languages
English
Japanese
Education
Loma Linda University School of Medicine
Medical School
Hinsdale Hospital (Adventist)
Residency, Family Medicine
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.
4.9 out of 5
276 ratings,
42 reviews
8/18/2026
My provider Is very thorough that I have no doubt that he has a lot of patients. I just worry when he will retire.
8/6/2026
Dr. Iwahashi is the doctor I can trust the most.
8/5/2026
He spend his lunch time for me
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!
Insurance Coverage
Note:Please contact the practice directly to confirm your health plan is in network.
Aetna Choice POS II
Aetna Health Network Only HMO
Aetna Health Network Option
Aetna HMO
Aetna Managed Choice POS
Aetna Open Access Aenta Select EPO
Aetna Open Access Elect Choice EPO
Aetna Open Access Managed Choice POS
Aetna Open Choice PPO
Aetna Quality POS (QPOS)
Aetna Selct EPO
Anthem Blue Cross of California Anthem Blue Access PPO
Anthem Blue Cross of California Anthem Blue PPO/EPO
Anthem Blue Cross of California Anthem Blue Preferred Select & Preferred Blue
Anthem Blue Cross of California BlueCard PPO
Anthem Blue Cross of California Keycare PPO
Anthem Blue Cross of California PPO
Anthem Blue Cross of California PPO Metallic Plans (Platinum, Gold, Silver, Bronze)
Anthem Blue Cross of California Prudent Buyer PPO
Blue Shield of California Advantage EPO
Blue Shield of California Alliance Select
Blue Shield of California Basic Blue / Blue Card / Blue Newtork
Blue Shield of California Blue Choice
Blue Shield of California Blue Options / Blue Preferred
Blue Shield of California CalPERS Gold & Platinum
Blue Shield of California PPO / EPO
Blue Shield of California PPO Metallic Plans (Platinum, Gold, Silver, Bronze)
Blue Shield of California TriNet III PPO
Cigna HMO
Cigna HMO POS
Cigna Network
Cigna Network POS
Cigna Open Access Plus
Cigna PPO
Cigna PPO Tiered
HealthNet Blue & Gold HMO
HealthNet Employer Sponsored Medicare Advantage
HealthNet EPO
HealthNet ExcelCare Elect Out of Access POS
HealthNet ExcelCare HMO
HealthNet HMO
HealthNet Medicare COB
HealthNet POS
HealthNet PPO
HealthNet SmartCare HMO
HealthNet Standard Elect Out of Access POS
HealthNet Standard HMO
HealthNet Standard POS
Medicare
SCAN Health Plan Medicare Advantage HMO - Agreement terminates effective 12/31/26
TRICARE West Tricare Prime
TRICARE West Tricare Prime Remote
TRICARE West Tricare Reserve Select
TRICARE West Tricare Retired Reserve
TRICARE West Tricare Select
TRICARE West Tricare Young Adult
United Healthcare Core and Core Essentials
United Healthcare Select and Select Plus
United Healthcare Surest
UnitedHealthcare Choice and Choice Plus
UnitedHealthcare EDGE
UnitedHealthcare Navigate
UnitedHealthcare NexasACO
UnitedHealthcare Options PPO Plans
UnitedHealthcare SignatureValue Plans
UnitedHealthcare Tired Benefit Plans
Valley Health Plan Covered California HMO
Valley Health Plan HMO Classic / Select
Virtual care available
For COVID-19 symptoms/testing, fever, cough, colds, UTI, allergies and more.
Self-pay or Insurance
Similar providers at this location
Map & Directions
Family Medicine Cedar
2660 Grant Rd, Ste E Mountain View, CA 94040