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Dr. Andrew Duffy, MD

Dr. Andrew Duffy, MD

New Haven, CT

32 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Duffy, Surgeon in New Haven, CT?

    Dr. Andrew Duffy, MD is a Surgeon, who primarily practices in New Haven, CT with 1 additional practice location. He has been practicing for over 32 years and is board certified by the American Board of Surgery. Dr. Duffy completed his residency at U Mass Meml. He is a member of the Yale Medical Group (YMG). Dr. Duffy is fluent in English, and is currently seeing new patients. Dr. Duffy’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna 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. Andrew Duffy, MD is a highly-rated, board-certified Surgeon 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 Bariatric/Obesity Surgery, Colon & Rectal Cancer & Surgery, Gastric Bypass, Gastric Sleeve, Gastrointestinal Surgery, Lap Band Surgery, Laparoscopic Surgery, or comprehensive wellness support. Serving the New Haven/CT 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: U Mass Meml | University of Massachusetts Affiliated Hospitals

    • Medical School: University of Massachusetts / Worcester Campus

    Is Dr. Duffy board certified in Surgeon?

    Yes, Dr. Andrew Duffy, MD is board certified by the American Board of Surgery

    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 Surgeon, 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:

    • Diaphragmatic Hernia
    • Obstructed Surgical Incision Hernia
    • Diaphragmatic Hernia with Obstruction
    • Groin Hernia (One Side)
    • Incisional Hernia
    • Hernia
    • Intestinal Obstruction
    • Inguinal Hernia
    • Hiatal Hernia
    • Hernia of the Diaphragm
    • Incisional Hernia with Obstruction
    • Blocked Incision Hernia
    • Strangulated Incisional Hernia
    • Obstructed Diaphragmatic Hernia
    • Unilateral Inguinal Hernia
    • Single Groin Hernia
    • Hernia in One Groin
    • Post-surgical Hernia
    • Surgical Incision Hernia
    • Scar Hernia

    ICD-10 Codes:

    • K449: Diaphragmatic hernia without obstruction or gangrene
    • K430: Incisional hernia with obstruction, without gangrene
    • K440: Diaphragmatic hernia with obstruction, without gangrene
    • K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
    • K432: Incisional hernia without obstruction or gangrene

    Also known as:

    • Digestive System Surgery Aftercare
    • After Surgery
    • Post-gastrointestinal surgery care
    • Stomach surgery aftercare
    • Bowel surgery recovery

    ICD-10 Codes:

    • Z48815: Encounter for surgical aftercare following surgery on the digestive system

    Also known as:

    • Bilateral Inguinal Hernia
    • Recurrent Bilateral Inguinal Hernia
    • Hernia
    • Inguinal Hernia
    • Double Groin Hernia
    • Hernia in Both Groins
    • Non-obstructed Inguinal Hernia
    • Recurring Double Groin Hernia
    • Hernia in Both Groins (recurrent)
    • Repeated Inguinal Hernia

    ICD-10 Codes:

    • K4020: Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
    • K4021: Bilateral inguinal hernia, without obstruction or gangrene, recurrent

    Also known as:

    • Other Post-Surgery Condition
    • Postoperative State
    • Recovery After Surgery
    • Surgical Follow-up

    ICD-10 Codes:

    • Z98890: Other specified postprocedural states

    Also known as:

    • Severe Obesity
    • Obesity
    • Helping Your Child Who Is Overweight
    • Take Charge of Your Health: A Guide for Teenagers
    • Understanding Adult Overweight & Obesity
    • Morbid Obesity
    • Extreme Obesity
    • Class 3 Obesity

    ICD-10 Codes:

    • E6601: Morbid (severe) obesity due to excess calories

    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

    Which procedures does Dr. Duffy perform as a Surgeon?

    As a Surgeon, procedures performed by a Dr. Andrew 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 New Haven, CT?

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

    Top Insurances

    • All Other Third Party

    • CarePartners of Connecticut

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Medicare

    • State of Connecticut

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Duffy's office located?

    Dr. Andrew Duffy's Primary Practice

    40 Temple St Ste 1A1

    New Haven, CT 06510

    Get Directions

    Dr. Andrew Duffy's Practice 2

    2000 Post Rd Ste 101

    Fairfield, CT 06824

    (203) 418-9520

    Get Directions

    Recognitions

    Memberships & Associations

    Yale Medical Group (YMG)

    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 1386686152.

    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. Andrew Duffy's specialty?

    Dr. Duffy is a Surgeon near New Haven, CT. General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery. Contact Dr. Duffy to book an appointment today.

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

    Yes, Dr. Duffy is affiliated with Yale New Haven Hospital, York Street Campus 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 Surgeon?

    Explore Surgeon 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 Andrew Duffy accepting new patients in New Haven, CT?

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

    Does Dr. Andrew 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 Andrew Duffy?

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

    Which board certifications does Dr. Andrew Duffy have?

    Dr. Andrew Duffy is certified by the American Board of Surgery.

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