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Dr. Dineli Ahearn, MD

Boston, MA

26 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ahearn, Internist in Boston, MA?

    Dr. Dineli Ahearn, MD is an Internist, who primarily practices in Boston, MA with 2 additional practice locations. She has been practicing for over 26 years and is board certified. Dr. Ahearn graduated from Tufts University School of Medicine. Dr. Ahearn is fluent in English, and is currently seeing new patients. Dr. Ahearn’s practice accepts Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ahearn’s office at (617) 636-5000.

    What are Areas of Expertise for Dr. Ahearn?

    Dr. Dineli Ahearn, MD is a highly-rated, board-certified Internist 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. Ahearn empowers patients to confidently navigate their health journey, specializing in Primary Care, or comprehensive wellness support. Serving the Boston/MA community, Dr. Ahearn is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Ahearn go to medical school and complete their residency?

    • Medical School: Tufts University School of Medicine

    Is Dr. Ahearn board certified as an Internist?

    Yes, Dr. Dineli Ahearn, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Ahearn speak?

    Dr. Ahearn and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. Ahearn treat?

    As an Internist, Dr. Ahearn 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. Ahearn. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • Depression Screening
    • Other Mental Health Screening
    • Depression
    • Health Screening
    • Mental Health Screening
    • Depression Test
    • Mental Health Check for Depression
    • Mood Disorder Screening
    • Behavioral Disorder Screening
    • Psychological Evaluation
    • Mental Wellness Check

    ICD-10 Codes:

    • Z1331: Encounter for screening for depression
    • Z1339: Encounter for screening examination for other mental health and behavioral disorders

    Also known as:

    • Adult Health Checkup with Abnormal Findings
    • Health Checkup
    • Adult Physical Exam with Issues
    • Routine Checkup with Concerns
    • General Medical Exam with Abnormal Results

    ICD-10 Codes:

    • Z0001: Encounter for general adult medical examination with abnormal findings

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    What procedures does Dr. Ahearn perform?

    As an Internist, Dr. Ahearn performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Ahearn. 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. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Does Dr. Ahearn accept my insurance?

    Dr. Ahearn accepts most major insurance plans. Important: Please call our office at (617) 636-5000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ahearn accept in Boston, MA?

    Dr. Ahearn in Boston, 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 of Massachusetts

    • BMC Health System

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Mass General Brigham

    • Medicare

    • Point32Health

    • State of Massachusetts

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Ahearn's office located?

    Dr. Dineli Ahearn's Primary Practice

    800 Washington St

    Boston, MA 02111

    (617) 636-5000

    Get Directions

    Dr. Dineli Ahearn's Practice 2

    260 Tremont St Ste 212

    Boston, MA 02116

    Get Directions

    Dr. Dineli Ahearn's Practice 3

    860 Route 134 Ste 5

    South Dennis, MA 02660

    Get Directions

    Recognitions

    Castle Connolly Doctor’s Choice Awards

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    Doctor’s Choice - All Time

    Among the most nominated for the Castle Connolly Top Doctor recognition across all time

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    Doctor’s Choice - 2025

    Among the most nominated for the Castle Connolly Top Doctor recognition in 2025

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    Doctor’s Choice - Last 5 Years

    Among the most nominated for the Castle Connolly Top Doctor recognition in the last 5 years

    What is Dr. Ahearn's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Ahearn's National Provider Identifier (NPI) number is 1528015922.

    What common questions do patients ask about Dr. Ahearn?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ahearn

    What is Dr. Dineli Ahearn's specialty?

    Dr. Ahearn is a Internist near Boston, MA.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Ahearn to book an appointment today.

    Is this Dr. Dineli Ahearn affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ahearn is affiliated with Tufts Medical Center 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 Internist?

    Explore Internist 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 Dineli Ahearn accepting new patients in Boston, MA?

    Yes, Dr. Dineli Ahearn is accepting new patients at this time.

    Does Dr. Dineli Ahearn offer online booking?

    Please contact Dr. Ahearn's office at (617) 636-5000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dineli Ahearn?

    Please contact Dr. Ahearn's office at (617) 636-5000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Dineli Ahearn have?

    Dr. Dineli Ahearn is certified by the American Board of Internal Medicine.

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