Masashi Kai
Expertise in
7
conditions

Dr. Masashi Kai

Thoracic Surgery
Beth Israel Deaconess Medical Center
110 Francis Street, Suite 2A, 
Boston, MA 
On Staff At
Expertise in
7
conditions
Beth Israel Deaconess Medical Center
110 Francis Street, Suite 2A, 
Boston, MA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Masashi Kai is a Thoracic Surgeon in Boston, Massachusetts. Dr. Kai is highly rated in 7 conditions, according to our data. His top areas of expertise are Aortic Dissection, Cardiogenic Shock, Cystic Medial Necrosis of Aorta, Heart Transplant, and Embolectomy.

His clinical research consists of co-authoring 67 peer reviewed articles and participating in 4 clinical trials. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Jikei University
Residency
Kyoto University Hospital
Specialties
Thoracic Surgery
Licenses
Surgery in NY
Fellowships
NYU Langone Health
New York Presbyterian Hospital - Columbia University Med Ctr
Hospital Affiliations
Beth Israel Deaconess Medical Center
Languages Spoken
English
Japanese
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Commonwealth Care Alliance
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Mass General Brigham Health Plan
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Senior Whole Health
  • MEDICARE-MEDICAID PLAN
Tufts
  • HMO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
View 5 Less Insurance Carriers -

Locations

Beth Israel Deaconess Medical Center
110 Francis Street, Suite 2A, Boston, MA 02215
Call: 617-632-8383
Other Locations
Center for Advanced Heart Failure and Cardiomyopathy Care
185 Pilgrim Road, Farr 5, Boston, MA 02215
Call: 617-667-8800

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

4 Clinical Trials

OCS Heart Perfusion (OHP) Post-Approval Registry
OCS Heart Perfusion (OHP) Post-Approval Registry
Enrollment Status: Active_not_recruiting
Publish Date: October 30, 2025
Intervention Type: Device
The Portable Organ Care System (OCS™) Heart For Resuscitation, Preservation and Assessment of Hearts From Donors After Circulatory Death Continued Access Protocol (OCS DCD Heart CAP)
The Portable Organ Care System (OCS™) Heart For Resuscitation, Preservation and Assessment of Hearts From Donors After Circulatory Death Continued Access Protocol (OCS DCD Heart CAP)
Enrollment Status: Completed
Publish Date: June 21, 2024
Intervention Type: Device
Study Phase: Not Applicable
Clinical Trial to Evaluate the Safety and Effectiveness of The Portable Organ Care System (OCS™) Heart For Resuscitation, Preservation and Assessment of Hearts From Donors After Circulatory Death (DCD Heart Trial)
Clinical Trial to Evaluate the Safety and Effectiveness of The Portable Organ Care System (OCS™) Heart For Resuscitation, Preservation and Assessment of Hearts From Donors After Circulatory Death (DCD Heart Trial)
Enrollment Status: Completed
Publish Date: May 07, 2024
Intervention Type: Device, Other
Study Phase: Not Applicable
Prevention of Non-Surgical Bleeding by Management of HeartMate II Patients Without Antiplatelet Therapy
Prevention of Non-Surgical Bleeding by Management of HeartMate II Patients Without Antiplatelet Therapy
Enrollment Status: Completed
Publish Date: June 27, 2022
Intervention Type: Device, Drug
Study Phase: Phase 4
View 3 Less Clinical Trials

67 Total Publications

Redo axillary artery cannulation in aortic reoperations: Technical variations and implications for optimal outcomes.
Redo axillary artery cannulation in aortic reoperations: Technical variations and implications for optimal outcomes.
Journal: JTCVS techniques
Published: May 21, 2025
View All 67 Publications
Similar Doctors
Expertise in
22
conditions
Dr. Raphael T. Bueno
Thoracic Surgery
Expertise in
22
conditions
Dr. Raphael T. Bueno
Thoracic Surgery

Brigham And Womens Physicians Organization Inc

75 Francis St, 
Boston, MA 
 (0.2 miles away)
617-732-5500
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

Raphael Bueno is a Thoracic Surgeon in Boston, Massachusetts. Dr. Bueno is highly rated in 22 conditions, according to our data. His top areas of expertise are Mesothelioma, Lung Cancer, Non-Small Cell Lung Cancer (NSCLC), Endoscopy, and Gastrostomy. Dr. Bueno is currently accepting new patients.

Scott J. Swanson
Expertise in
20
conditions
Dr. Scott J. Swanson
Thoracic Surgery | General Surgery
Expertise in
20
conditions
Dr. Scott J. Swanson
Thoracic Surgery | General Surgery

Brigham And Womens Physicians Organization Inc

75 Francis St, 
Boston, MA 
 (0.2 miles away)
617-732-5500
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

Scott Swanson is a Thoracic Surgeon and a General Surgeon in Boston, Massachusetts. Dr. Swanson is highly rated in 20 conditions, according to our data. His top areas of expertise are Lung Cancer, Non-Small Cell Lung Cancer (NSCLC), Lung Adenocarcinoma, Endoscopy, and Mastectomy. Dr. Swanson is currently accepting new patients.

Sidharta P. Gangadharan
Expertise in
14
conditions
Dr. Sidharta P. Gangadharan
Thoracic Surgery
Expertise in
14
conditions
Dr. Sidharta P. Gangadharan
Thoracic Surgery

Beth Israel Deaconess Medical Center

330 Brookline Avenue, Shapiro 9, 
Boston, MA 
 (0.3 miles away)
617-632-8252
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Sidharta Gangadharan is a Thoracic Surgeon in Boston, Massachusetts. Dr. Gangadharan is highly rated in 14 conditions, according to our data. His top areas of expertise are Tracheobronchomalacia, Acquired Tracheomalacia, Lung Nodules, Endoscopy, and Gastrectomy.

VIEW MORE Thoracic Surgeons

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Kai's expertise for a condition
ConditionClose
    • Distinguished
    • Embolectomy
      Dr. Kai is
      Distinguished
      . Learn about Embolectomy.
      See more Embolectomy experts
    • Heart Transplant
      Dr. Kai is
      Distinguished
      . Learn about Heart Transplant.
      See more Heart Transplant experts
    • Advanced
    • Aortic Dissection
      Dr. Kai is
      Advanced
      . Learn about Aortic Dissection.
      See more Aortic Dissection experts
    • Cardiogenic Shock
      Dr. Kai is
      Advanced
      . Learn about Cardiogenic Shock.
      See more Cardiogenic Shock experts
    • Cystic Medial Necrosis of Aorta
      Dr. Kai is
      Advanced
      . Learn about Cystic Medial Necrosis of Aorta.
      See more Cystic Medial Necrosis of Aorta experts
    • Heart Bypass Surgery
      Dr. Kai is
      Advanced
      . Learn about Heart Bypass Surgery.
      See more Heart Bypass Surgery experts
    • Saddle Pulmonary Embolism
      Dr. Kai is
      Advanced
      . Learn about Saddle Pulmonary Embolism.
      See more Saddle Pulmonary Embolism experts
    • Experienced
    • Aortic Valve Replacement
      Dr. Kai is
      Experienced
      . Learn about Aortic Valve Replacement.
      See more Aortic Valve Replacement experts
    • Arterial Embolism
      Dr. Kai is
      Experienced
      . Learn about Arterial Embolism.
      See more Arterial Embolism experts
    • Coronary Artery Bypass Graft (CABG)
      Dr. Kai is
      Experienced
      . Learn about Coronary Artery Bypass Graft (CABG).
      See more Coronary Artery Bypass Graft (CABG) experts
    • Endocarditis
      Dr. Kai is
      Experienced
      . Learn about Endocarditis.
      See more Endocarditis experts
    • Endoscopy
      Dr. Kai is
      Experienced
      . Learn about Endoscopy.
      See more Endoscopy experts
    • Gastrostomy
      Dr. Kai is
      Experienced
      . Learn about Gastrostomy.
      See more Gastrostomy experts
    View All 20 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    1. Homepage
    2. Thoracic Surgeons Boston, MA
    3. Dr. Masashi Kai
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

      Patient Details

      This information is for the patient who will be seen at the appointment.

        Close

        Returning patient? Use your address on file with the provider.

        Insurance Details

        Please provide information of the primary insurance holder as the practice may require this information to schedule.

        Insurance Provider *
        Insurance ProviderClose

        Appointments Details

        Let’s get more information about your appointment.

                0 / 1000
                0 / 1000
                By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.