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Surgical Specialist, Cardiothoracic Surgeon
33 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Mark Grattan:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (6)

The overall average patient rating of Dr. Mark Grattan is Excellent. Dr. Grattan has been reviewed by 11 patients who have provided 6 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.5
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Mark Grattan, MD is board certified in Thoracic Surgery (Cardiothoracic Vascular Surgery).

Education & Awards

Dr. Grattan graduated from University of California at San Francisco. He has 4 awards.

Castle Connolly's Top Doctors™ (2013)
Patients' Choice Award (2012, 2015)
Compassionate Doctor Recognition (2015)
On-Time Doctor Award (2015)


Dr. Grattan has 3 hospital affiliations:

  • Straub Clinic and Hospital 
  • Queens Medical Center 
  • Pali Momi Medical Center 

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Additional Information
Dr. Mark T Grattan MD is a male Surgeon, has 33 years of experience and practices in Surgery, Thoracic Surgery, and Cardiothoracic Vascular Surgery.
Where does Dr. Mark T. Grattan practice?
Dr. Mark Grattan has 1 office location.
Dr. Mark Grattan practices Surgery, Thoracic Surgery, and Cardiothoracic Vascular Surgery near Honolulu, HI.
See Honolulu Surgeons and Honolulu Cardiothoracic Surgeons.