Dr. Joseph Lynnfield Blackshear MD Cardiologist

Dr. Joseph Blackshear is a cardiologist in Jacksonville, Florida. He is affiliated with multiple hospitals in the area, including Mayo Clinic and Mayo Clinic Jacksonville. He received his medical degree from Mayo Medical School and has been in practice for 36 years. Dr. Blackshear accepts several types of health insurance, listed below. He is one of 114 doctors at Mayo Clinic and one of 14 at Mayo Clinic Jacksonville who specialize in Cardiovascular Disease.

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Office Location

See Contact Information

Specialty & Clinical Interests

Cardiologist: General Cardiology

Hospital Affiliation

Mayo Clinic Jacksonville

Education & Medical Training

Hennepin County Medical Center
Residency, Internal Medicine, 1978 - 1980

Hennepin County Medical Center
Residency, Internal Medicine, 1981 - 1982

Brigham and Women's Hospital
Fellowship, Nephrology, 1982 - 1984

Duke University Hospital
Fellowship, Cardiovascular Disease, 1984 - 1986

Mayo Medical School
Class of 1978

Certifications & Licensure

American Board of Family Medicine
Certified in Family Medicine

American Board of Family Medicine
Certified in Sports Medicine

IL State Medical License
Active through 2014

MO State Medical License
Active through 2015

Publications & Presentations

Cardiac tamponade due to low-volume effusive constrictive pericarditis in a patient with uncontrolled type II autoimmune polyglandular syndrome.
Palmer, W. C.,Kurklinsky, A.,Lane, G.,Ussavarungsi, K.,Blackshear, J. L.

Advances of cardiovascular MRI in hypertrophic cardiomyopathy.
Kumar, P.,Blackshear, J. L.,Ibrahim, el-SH.,Mergo, P.,Parikh, P.,Batton, K.,Shapiro, B.

Use of cardiac magnetic resonance imaging for alcohol septal ablation in hypertrophic obstructive cardiomyopathy.
Batton, K.,Moussa, I.,Blackshear, J.,Mergo, P.,Austin, C.,Shapiro, B.

See all 79 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS Texas BlueChoice
  • CIGNA Open Access
  • Empire BCBS HMO
  • Empire BCBS PPO
  • First Health PPO
  • Great West PPO
  • HIP of New York - Select PPO
  • Humana ChoiceCare Network PPO
  • MagnaCare PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • MVP Healthcare PPO
  • Oxford Health Freedom
  • Oxford Health Liberty
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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