Dr. Cynthia Johnston, MD

Dr. Cynthia Johnston, MD

Family Medicine  ·  
Female  ·  
Age 65
Dr. Cynthia Johnston, MD is a family medicine specialist in Marathon, FL and has been practicing for 34 years. She graduated from Indiana University School Of Medicine in 1984 and specializes in family medicine.Read her story

5701 Overseas Hwy

Marathon, FL 33050

Contact Information

(305) 743-3511

Insurance Accepted

  • Aetna
  • AvMed
  • Beech Street (Multiplan)
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Florida
  • Cigna
  • CorVel
  • Coventry Health Care of Florida
  • Dimension Health
  • 11 More

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Dr. Johnston's Experience

Dr. Johnston's experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Family Medicine
  • No malpractice claims found
  • No sanctions found
  • No board actions found

Dr. Johnston's bio

This content was provided by Dr. Johnston "Cynthia L. Johnston, M.D., is a family medicine physician. She provides a range of acute, chronic and preventive medical care services to people of all ages—from infants to seniors. In addition to diagnosing and treating illness, she promotes wellness by offering routine checkups, health-risk assessments, immunizations, screening tests and personalized healthy lifestyle counseling. She helps patients manage chronic illness by providing them with a patient-centered medical home and coordinating specialty care. Dr. Johnston also has extensive experience in urgent care and emergency medicine. She is certified by the American Heart Association in Basic Life Support, Advanced Cardiac Life Support and Pediatric Advanced Life Support and by the American College of Surgeons in Advanced Trauma Life Support. Dr. Johnston earned her medical degree at Indiana University School of Medicine in Indianapolis, Ind., and completed a general surgery internship and family medicine residency at Indiana University Hospitals. "
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1  Specialties

  • Family Medicine

0  Board Certifications

Dr. Johnston does not have any board certifications listed.

162  Conditions Treated

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18  Procedures

  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Anemia and Iron Deficiency Screening
  • Arterial Blood Gas Test (ABG)
  • Cardiovascular Stress Test
  • Cholesterol Screening
  • Diabetes Screening
  • Electrocardiogram (EKG)
  • Hepatitis Screening
  • Immunization
  • Liver Function Test
  • Osteoporosis Screening
  • Pulmonary Function Test
  • Rapid Flu Test
  • Rh Incompatibility Screening
  • Sexually Transmitted Infections Screening
  • Thyroid Screening
  • Wellness Examination

Background Check

0 Malpractice Claims

No malpractice history found for Florida.

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.


  • Indiana University School Of Medicine
    Medical School | Graduated 1984
  • Indiana University Hospitals
    Internship Hospital | Completed
  • Indiana University Hospitals
    Residency Hospital | Completed

Awards & Recognition

Awards & Honors

Dr. Johnston has no awards or honors listed.

Media & Publications

Dr. Johnston has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

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

Dr. Johnston's Reviews

Likelihood to recommend Dr. Johnston


Based on 4 reviews

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Average Wait Time
  • 10 – 15 minutes
Dr. Johnston's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Cynthia Johnston, MD
Dr. Johnston is a great Dr. I trust her, she's on top of everything... Also her nurse Is very sweet.... However, the girl Melissa that answers the phone, schedules appts, & handles the paperwork, is rude, extremely incompetent, very lazy, it bothers her, to help you as a patient. It's sad, because...Read More
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Lopez in Big Pine, FL – Sep 29, 2016
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Dr Johnston is wonderful, knowledge and caring, Unfortunately her front staff is the worst I've ever dealt with. They lazy rude and completely without caring. If you can get by the front staff you've got a chance but get there early because they leave early'
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Macko in Big Pine Key, FL – Sep 01, 2016
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