Summary

Dr. John Jennings is a cardiologist who specializes in cardiovascular disease, with additional expertise in orthopedic surgery and internal medicine. He earned his medical degree from the University of Alabama School of Medicine, where he also completed his residency training. With 20 years of experience treating heart conditions, Dr. Jennings brings extensive knowledge to his practice. He communicates with patients in English.

Dr. Jennings practices at several locations throughout Huntsville, Alabama, including The Heart Center, Huntsville Hospital, and Crestwood Medical Center. He focuses on treating heart rhythm disorders such as bradycardia, sick sinus syndrome, and heart block. His procedural expertise includes performing electrocardiograms, monitoring cardiac devices, and placing ICDs (implantable cardioverter defibrillators) to help regulate abnormal heart rhythms. Patients rate Dr. Jennings 4.7 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.7
  • 20 years of experience
  • speaks English
  • University Of Alabama School Of Medicine
  • 1 written review
  • 3 specialties
  • 3 areas of expertise
  • 3 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Mason Jennings has 3 locations

The Heart Center

930 Franklin St SEHuntsville, AL 35801
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Huntsville Hospital

101 Sivley Rd SwHuntsville, AL 35801

Crestwood Medical Center

1 Hospital Dr SwHuntsville, AL 35801

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Dr. John Mason Jennings, MDDr. Sasya DronavalliDr. Kaushika KondraguntaDr. Hannah Greene
Cardiovascular DiseaseInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
20 Years of Experience 16 Years of Experience 7 Years of Experience 9 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Huntsville , ALHuntsville , ALHuntsville , ALHuntsville , AL
Med School: University Of Alabama School Of Medicine Med School: Osmania Medical College Med School: N R I Medical College Med School: University Of Mississippi School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Mason Jennings

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. John Mason Jennings has the following 3 specialties

Specialty Expertise

Dr. John Mason Jennings has the following 3 areas of expertise

  • Clinical Cardiac Electrophysiology
  • Internal Medicine
  • Orthopedic Surgery

Certifications, License, & Education

20 Years Experience

Dr. John Mason Jennings holds an expired medical license in the state of Alabama.

Medical License

Medical Doctor with an expired medical license in the state of Alabama that expired in 2025.

Education & Training

Residency

Completed their residency at University Of Alabama School Of Medicine.

Medical School

Graduated from University Of Alabama School Of Medicine in 2006.

NPI Number

Dr. Jennings' NPI number is 1386856243.

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Frequently Asked Questions

Where is Dr. John Jennings's office located?
Dr. John Jennings's office is located at 930 Franklin St SE, Huntsville, AL, 35801.
Is Dr. John Jennings accepting new patients?
Dr. John Jennings is accepting new patients on Vitals. View Dr. John Jennings's profile on Vitals to make an appointment.
Does Dr. John Jennings accept virtual/telehealth appointments?
Dr. John Jennings has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. John Jennings accept my insurance?
You can see the insurance plans that Dr. John Jennings accepts on their Vitals profile.
Which hospitals is Dr. John Jennings affiliated with?
Dr. John Jennings is affiliated with Crestwood Medical Center, Huntsville Hospital, and Huntsville Hospital For Women And Children.

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