Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Callahan, Cardiologist in Hyannis, MA?
Dr. Mary Callahan, DO is a Cardiologist, who primarily practices in Hyannis, MA. She is board certified by the American Board of Internal Medicine. Dr. Callahan graduated from University of New England, Armidale and completed her residency at Albany Med Ctr Hosp, Cardiovascular Diseases; Roger Williams Hosp, Internal Medicine. Dr. Callahan is fluent in English, French, Italian, Japanese, and Spanish, and is currently seeing new patients. Dr. Callahan’s practice accepts Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Callahan’s office.
What are Areas of Expertise for Dr. Callahan?
Dr. Mary Callahan, DO is a highly-rated, board-certified Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Callahan empowers patients to confidently navigate their health journey, specializing in Atrial Fibrillation, Coronary Artery Disease, Hypertension-Complex, Pacemakers/Defibrillators, or comprehensive wellness support. Serving the Hyannis/MA community, Dr. Callahan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Callahan go to medical school and complete their residency?
Fellowship: Albany Medical Center, Fellow
Residency: Albany Med Ctr Hosp, Cardiovascular Diseases; Roger Williams Hosp, Internal Medicine | Brown University Affiliated Hospitals
Medical School: University of New England, Coll of Osteo Med, Biddeford Me | University of New England, Armidale
Is Dr. Callahan board certified in Cardiologist?
Yes, Dr. Mary Callahan, DO is board certified by the American Board of Internal Medicine , American Board of Internal Medicine since 1997
What languages does Dr. Callahan speak?
Dr. Callahan and their clinical team can communicate with patients in the following languages:
English
French
Italian
Japanese
Spanish
What conditions does Dr. Callahan treat?
As a Cardiologist, Dr. Callahan diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Callahan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Which procedures does Dr. Callahan perform as a Cardiologist?
As a Cardiologist, procedures performed by a Dr. Mary Callahan may include:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
For detailed information, please contact Dr. Callahan's office.
Does Dr. Callahan accept my insurance?
Dr. Callahan accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Callahan accept in Hyannis, MA?
Dr. Callahan in Hyannis, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield
Blue Cross Blue Shield of Illinois
Blue Cross Blue Shield of Massachusetts
BlueCross and BlueShield of Vermont
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Multiplan
State of Massachusetts
View All Insurances
Where is Dr. Callahan's office located?
Recognitions
Awards
American College Of Physicians Presentation
Award
What is Dr. Callahan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Callahan's National Provider Identifier (NPI) number is 1518968882.
What common questions do patients ask about Dr. Callahan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Callahan
What is Dr. Mary Callahan's specialty?
Dr. Callahan is a Cardiologist near Hyannis, MA. An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias. Contact Dr. Callahan to book an appointment today.
Is this Dr. Mary Callahan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Callahan is affiliated with Cape Cod Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Cardiologist?
Explore Cardiologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mary Callahan accepting new patients in Hyannis, MA?
Yes, Dr. Mary Callahan is accepting new patients at this time.
Does Dr. Mary Callahan offer online booking?
Please contact Dr. Callahan's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mary Callahan?
Please contact Dr. Callahan's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mary Callahan have?
Dr. Mary Callahan is certified by the American Board of Internal Medicine.
Other Cardiologist Near Hyannis, MA
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Connect with DR. Callahan
25 Main St
Hyannis, MA 02601