Dr. Simon Ashiku, MD

Dr. Simon Ashiku, MD

Cardiac Surgery  ·  
Male  ·  
Age 53
Dr. Simon Ashiku, MD is a cardiac surgery specialist in Walnut Creek, CA and has been practicing for 19 years. He graduated from Harvard Medical School in 1992 and specializes in cardiac surgery.

1425 S Main St

Walnut Creek, CA 94596

Contact Information

(925) 295-4000

Insurance Accepted

  • Kaiser Permanente
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Ashiku

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Ashiku performs your care needs compared to other doctors.

Lymph Node Biopsy or Excision
more than 25% of peers
Vascular Disease
more than 18% of peers
Pulmonary Disease
more than 17% of peers

Dr. Ashiku's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Cardiac Surgery

1  Board Certifications

  • Thoracic Cardiovascular Surgery
    Accredited by: American Board of Thoracic Surgery*

42  Conditions Treated

Read Less

21  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Harvard Medical School
    Medical School | Graduated 1992
  • Harvard Med Sch/Mass Gen Hospital
    Residency Hospital | Completed 1999
  • Mass Gen Hospital
    Fellowship Hospital | Completed

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Ashiku has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Ashiku does not have any memberships or affiliations listed. If you are Dr. Ashiku and would like to add memberships or affiliations, please update your profile.

Dr. Ashiku's Reviews

Likelihood of recommending Dr. Ashiku to family and friends
5 total reviews (1 has a comment)

Likelihood to Recommend (5)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Ashiku's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    Under 10 minutes

Patient Comments (1)

When Dr Ashiku was in Boston Massachusetts back in 2006 he did Lung Surgery on me. It has been 10 years now and I am still doing as good as he left me. I have been trying to find him since He left the hospital he did my surgery at to tell him "Thank You" and to let him know how much I appreciated...more
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