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Dr. William Duffy, MD

Dr. William Duffy, MD

Berwyn, PA

26 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Duffy, Internist in Berwyn, PA?

    Dr. William Duffy, MD is an Internist, who primarily practices in Berwyn, PA with 2 additional practice locations. He has been practicing for over 26 years and is board certified by the American Board of Internal Medicine. Dr. Duffy completed his residency at Thos Jefferson Univ Hosp, Internal Medicine. He is a member of the The Obesity Society. Dr. Duffy is fluent in English, and is currently seeing new patients. Dr. Duffy’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Duffy’s office.

    What are Areas of Expertise for Dr. Duffy?

    Dr. William Duffy, 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. Duffy empowers patients to confidently navigate their health journey, specializing in Concierge Medicine, or comprehensive wellness support. Serving the Berwyn/PA community, Dr. Duffy is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Thos Jefferson Univ Hosp, Internal Medicine | Jefferson University Hospitals

    • Medical School: Georgetown Univ Sch of Med, Washington Dc

    Is Dr. Duffy board certified in Internist?

    Yes, Dr. William Duffy, MD is board certified by the American Board of Internal Medicine , American Board of Internal Medicine since 1996

    What languages does Dr. Duffy speak?

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

    • English

    What conditions does Dr. Duffy treat?

    As a Internist, Dr. Duffy 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. Duffy. 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:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Lower Back Spinal Stenosis with Nerve Pain in Legs
    • Spinal Stenosis
    • Lumbar Spinal Stenosis with Claudication
    • Narrowing of Lower Back Spinal Canal with Leg Pain
    • Nerve Compression in Lower Back with Walking Pain

    ICD-10 Codes:

    • M48062: Spinal stenosis, lumbar region with neurogenic claudication

    Also known as:

    • Elevated Blood Pressure
    • High Blood Pressure
    • High Blood Pressure Reading
    • Prehypertension
    • Borderline High Blood Pressure

    ICD-10 Codes:

    • R030: Elevated blood-pressure reading, without diagnosis of hypertension

    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 Fasting Blood Sugar
    • Blood Glucose
    • Impaired Fasting Glucose
    • Prediabetes (Fasting)
    • Borderline Diabetes (Fasting)

    ICD-10 Codes:

    • R7301: Impaired fasting glucose

    Also known as:

    • Unsteadiness on Feet
    • Walking Problems
    • Feeling Unsteady
    • Balance Problems
    • Dizziness While Standing

    ICD-10 Codes:

    • R2681: Unsteadiness on feet

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    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

    Also known as:

    • Neck Pain
    • Neck Injuries and Disorder
    • Cervical Pain
    • Sore Neck
    • Neck Ache

    ICD-10 Codes:

    • M542: Cervicalgia

    Also known as:

    • Obesity
    • Take Charge of Your Health: A Guide for Teenagers
    • Excess Weight
    • Being Overweight
    • High BMI

    ICD-10 Codes:

    • E669: Obesity, unspecified

    Also known as:

    • Other Specific Abnormal Blood Chemistry Results
    • Blood
    • Specified Blood Chemistry Imbalance
    • Unusual Blood Chemistry Findings
    • Specific Blood Panel Abnormalities

    ICD-10 Codes:

    • R7989: Other specified abnormal findings of blood chemistry

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

    • Cough
    • Coughing
    • Persistent cough
    • Chronic cough

    ICD-10 Codes:

    • R059: Cough, unspecified

    Also known as:

    • Prostate Cancer Screening
    • Prostate Cancer Screening (PDQ®)
    • PSA Test
    • Prostate Exam
    • Prostate Cancer Check

    ICD-10 Codes:

    • Z125: Encounter for screening for malignant neoplasm of prostate

    Also known as:

    • Pain in Right Knee
    • Knee Injuries and Disorder
    • Pain
    • Right Knee Ache
    • Right Knee Discomfort
    • Sore Right Knee

    ICD-10 Codes:

    • M25561: Pain in right knee

    Which procedures does Dr. Duffy perform as a Internist?

    As a Internist, procedures performed by an Dr. William Duffy may include:

    For detailed information, please contact Dr. Duffy's office.

    Does Dr. Duffy accept my insurance?

    Dr. Duffy 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. Duffy accept in Berwyn, PA?

    Dr. Duffy in Berwyn, PA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • BCBS Unspecified

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Express Scripts

    • Geisinger Health Plan

    • Horizon BlueCross BlueShield

    • Humana

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Duffy's office located?

    Dr. William Duffy's Primary Practice

    1001 Chesterbrook Blvd Fl 3

    Berwyn, PA 19312

    Get Directions

    6th Floor Suite 640

    3701 Market St Fl 6

    Philadelphia, PA 19104

    Get Directions

    Dr. William Duffy's Practice 3

    700 Spruce St Ste 304

    Philadelphia, PA 19106

    Get Directions

    Recognitions

    Memberships & Associations

    The Obesity Society

    Member

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

    Dr. Duffy's National Provider Identifier (NPI) number is 1538108055.

    What common questions do patients ask about Dr. Duffy?

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

    What is Dr. William Duffy's specialty?

    Dr. Duffy is a Internist near Berwyn, PA.

    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. Duffy to book an appointment today.

    Is this Dr. William Duffy affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Duffy is affiliated with Penn Medicine Hospital of the University of Pennsylvania 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 William Duffy accepting new patients in Berwyn, PA?

    Yes, Dr. William Duffy is accepting new patients at this time.

    Does Dr. William Duffy offer online booking?

    Please contact Dr. Duffy's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Duffy?

    Please contact Dr. Duffy's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Duffy have?

    Dr. William Duffy is certified by the American Board of Internal Medicine.

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