Dr. Mary Callahan

Cardiology
Sandwich, MA
31 years experience female

Locations

Cardiovascular Associates of Sandwich

Sandwich, MA

Address

68a Route 6A, Sandwich, MA
Directions

My office hours

Thursday: 9:00am - 5:00pm
Show more

Practice website

Office

Sandwich, MA

About

Bio

I grew up in MA and now live here with my family. After completing my education in New Hampshire, Maine, Rhode Island and New York, I was able to return to MA. Since returning to MA I have worked in a couple of large Cardiology groups in different locations. This past year I was finally able to open my own practice and I am looking forward to providing good medicine in a comfortable setting. Heart disease can be difficult to treat and frightening for the individual and families affected. We are trying to make it less stressful for all affected.

Specialties
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.

Cardiology

Languages spoken

English

Doctor Q&A

374 Answers
236 Agrees
The number of answers this doctor has agreed with.
A 92-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Risk/benefits : In any procedure the risks and benefits need to be considered. If there is significant risks of falls or of injury to yourself that would be fixed by... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Palpitations: Palpitations are an awareness of your heart beating, since most of the time we are not aware of our heart. This can be due to a fast heart rate, a sl... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Chest pain: You should see your regular doctor and in the interim see when it occurs, is it associated with activity, is there anything that makes it better or wo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
EECP: Yes this is usually done in patients with significant cardiac disease, so a cardiologist should be present in the office when it is performed.
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Hypertension: There are several medical causes of hypertension such as renal artery stenosis, hyperthyroidism, but most often the cause is unknown often called esse... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 57-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Short of breath: This may be from the upper respiratory infection, but probably a good idea to call your cardiologist and get checked out. It could easily be pneumoni... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Tightness: You should see your regular physician as soon as you can. This may be from your heart, your lungs or even your stomach and you need to be examined to... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
MI and cardioarrest: A myocardial infarction is an event caused by a blockage in an artery which damages the heart muscle. A cardiac arrest is an event that may be caused... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
PFO: Patent foramen ovale or pfo is a congenital remnant which normally closes at birth but for several reasons can open later in life. Blood or clots can... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Trouble breathing: Whenever you have difficulty breathing you should contact your physician or be evaluated at the nearest emergency room or urgent care. This is especi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Heart rate : It is common when startled to feel your heart beating faster. Nothing to worry about as long as it goes away after a few minutes.
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
VSD: These ventricular septal defects are seen in some children and adults and if the flow across the defect is small, it may close on its own as the child... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Olive oil: The blurred vision could be due to the oil or some inflammation on the cornea of your eye. It not better then would go to your eye doctor.
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Heartbeat : Usually one sudden strong heartbeat is a premature beat which may originate from either the ventricle or the atria. These beats can occur at an irreg... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Myxoma: These are benign growths that occur in the heart and the cause is really unknown and the treatment is to remove it surgically. Once removed they do n... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Rash: These are very different drugs that don't share any common ingredients. It is unlikely that the reaction of the rash on your face is related to both d... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Sharp Chest pain: I would discuss this with your primary physician at your next visit and he or she can evaluate it further to see if any testing is warranted.
Created for people with ongoing healthcare needs but benefits everyone.
A 50-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Prepping testing: Most pre op testing does not include carotid studies but these are easily done as an out patient
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Ignore: Bananas, sweet potatoes and cashews are all good sources of potassium.
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Ignore: Do take your medicine at the same time each day. Don't skip doses!
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Cardiology Consult: At a consult the doctor will talk with you, review your medical and family history and perform a physical exam, usually a EKG is done and often furthe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Headaches: You should follow with your primary care physician, but the headaches and twitching may be stress related. So follow up and try to see if you have an... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Blood clots: It is not normal to have blood clots after delivery. The exception is you may pass some clots, but other than that forming clots needs to be evaluate... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Ignore: Ask your doctor when you should call about chest pain, if it changes or additional symptoms.
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Board certified: Board certified in cardiology means that after medical school and residency and then a fellowship in cardiology the person has passed the an exam in I... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Cardiomyopathy: The best answer is partly. A cardiomyopathy is a weakness in the heart muscle causing the heart not to pump normally. This can be seen on an echo, h... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 68-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Aortic Aneurysm: The exact recommendations depend upon the size of the aneurysm, but i would be safe to say that you should not go into a steam room with an aortic ane... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Hydrocodone: It should not, usually pain will make your heart beat faster and if you are taking it for pain then it make your heart slow down and lower your blood... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 67-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Blockages: That is true, surgery does not remove the blockages that are there, it provides a bypass route around the blockages, but if there are too many, or the... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Ignore: When you get pain or angina, stop and rest. If the pain does not go away take a nitro tablet.
Created for people with ongoing healthcare needs but benefits everyone.
A 68-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Palpitations after a: If you recently had the ablation, you should call your cardiologist right away. Even if the AVNRT is gone, you can develop other arrhythmias or compl... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
PVC's: You could try magnesium for the PVC's or increasing your water intake and exercise to try and decrease the PVC's. Any of the beta blockers can cause ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Coarctation: There may be a click or systolic ejection murmur over the aortic area, but that would be related to a bicuspid AV, which can occur with the coarctatio... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Ankle edema: You could go back on the ace inhibitor, or try another medicine, but the ankle edema is a side effect of the amlodipine. It may also be seen with oth... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Chest pain: It seems a long time for costochondritis but another thought is pericarditis which can persist after surgery. Most importantly, would rule out corona... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
MVP : Mitral valve prolapse results from a weakness or floppiness of the valve leaflets due to an abnormality in the connective tissue in the leaflets. Mit... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Fainting: This may be due to getting up from a lying position to standing too quickly, it may be worsened by dehydration or some meds. You should see your regul... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Ignore: Do exercise regularly and eat healthy, and don't smoke or use tobacco products.
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Ignore: Most patients with cardiomyopathy have problems with arrhythmias, so report any palpitations.
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Stroke: It may take some time for the brain to fully recover after a stroke, but it sounds like he would benefit from some physical therapy, either at home or... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Ignore: Stay well hydrated, and avoid things like tobacco, caffeine and alcohol which can cause the SVT.
Created for people with ongoing healthcare needs but benefits everyone.
A 71-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Sauna/steam: If you have svt you should avoid both saunas and steam baths or situations which cause excess e sweating which increases your loss of fluids which can... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Heart racing: It will likely take several hours for your heart rate to return to normal. In addition to the stress of your asthma exacerbation, the albuterol you w... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Hole in heart: There are two possibilities for closing the hole, either surgical closure or a device closure. For the surgery there are now minimally invasive appro... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Mary Callahan
Cardiology 31 years experience
Ignore: Try to keep your diet the same throughout the year so your dose of anticoagulant stays the same.
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
BP meds: Actually if you are considering becoming pregnant, you should change the Enalapril as this is associated with birth defects. So would consult your do... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Birth control pill: The safest birth control pill is the one that works for you. But you want to take the lowest dose pill that works for you, so discuss with your physi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old female asked:
Dr. Mary Callahan
Cardiology 31 years experience
Heart check up: Actually, at your age without any risk factors you don't need a heart check until you have symptoms or you are older, over 40 for men or post menopaus... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Metoprolol: Metoprolol which is marketed under several names is a beta blocker which helps keep the heart rate regular. The side effects include slow heart rat... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Mary Callahan
Cardiology 31 years experience
Right bundle branch : I think you may be referring to a right bundle branch block. This is a conduction abnormality which is considered to be a normal variant. This is a ... Read More
Created for people with ongoing healthcare needs but benefits everyone.

Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

3
Recommendations
690
Thank you notes
HealthTap member
Mar 30, 2015
I appreciate her because she gives great hugs! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 30, 2015
Dr. Callahan is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Callahan is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
This was very helpful. Thanks! my digoxin prescription was changed to digitek without any .explanation , I plan to have a talk with my pharmacy and explain why this can be very confusing to an 82 yea...Read More
HealthTap member
This was very helpful. Thanks! Holding off the Xarelto for now. AFIB events very sporadic and less than 30 seconds. Keeping Plavix, 81mg Aspirin, Motoprilol, BP, Levothyroxine and Atorvastatin. ...Read More
HealthTap member
This was very helpful. Thanks! Thank You. Info you provided, helped me decide on getting a 2nd Opinion. I have both-Untreated Brady & Avon plus Blood Clotting disorder. Had TIAs.

Education & Training

Medical/Graduate school

University of New England College of Osteopathic Medicine, ME
Graduated 1992MD

Awards

America's top Cardiologists 2012
Diplomate in Cardiovascular Diseases American Board of Internal Medicine
"America's Top Physicians" By Consumer Research Council of America 2013 and 2014

Affiliations

Cape Cod Healthcare
90,000 U.S. doctors in 147 specialties are here to answer your questions, provide medical advice, write prescriptions, and more.
Answer emailed
in 24 hours or less