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Dr. Michael O'brien, MD

New Haven, CT

28 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'brien, Surgeon in New Haven, CT?

    Dr. Michael O'brien, MD is a Surgeon, who primarily practices in New Haven, CT. He has been practicing for over 28 years and is board certified by the American Board of Surgery. Dr. O'brien graduated from Wake Forest University School of Medicine. Dr. O'brien is fluent in English, and is currently seeing new patients. Dr. O'brien’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'brien’s office at (203) 772-0650.

    Where did Dr. O'brien go to medical school and complete their residency?

    • Medical School: Wake Forest University School of Medicine

    Is Dr. O'brien board certified in Surgeon?

    Yes, Dr. Michael O'brien, MD is board certified by the American Board of Surgery

    What languages does Dr. O'brien speak?

    Dr. O'brien and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does Dr. O'brien treat?

    As a Surgeon, Dr. O'brien 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. O'brien. 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:

    • Groin Hernia (One Side)
    • Umbilical Hernia
    • Ventral Hernia
    • Hernia
    • Inguinal Hernia
    • Unilateral Inguinal Hernia
    • Single Groin Hernia
    • Hernia in One Groin
    • Belly Button Hernia
    • Navel Hernia
    • Umbilical Rupture
    • Abdominal Wall Hernia
    • Epigastric Hernia
    • Spigelian Hernia

    ICD-10 Codes:

    • K4090: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
    • K429: Umbilical hernia without obstruction or gangrene
    • K439: Ventral hernia without obstruction or gangrene

    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:

    • Sebaceous Cyst
    • Skin Condition
    • Epidermoid Cyst
    • Keratin Cyst
    • Skin Lump

    ICD-10 Codes:

    • L723: Sebaceous cyst

    Also known as:

    • Pelvic Pain
    • Pain in Lower Left Abdomen
    • Lower belly pain
    • Pain in lower abdomen
    • Abdominal discomfort
    • Left lower quadrant pain
    • Pain in left side of belly
    • Left side abdominal discomfort

    ICD-10 Codes:

    • R1030: Lower abdominal pain, unspecified
    • R1032: Left lower quadrant pain

    Also known as:

    • Personal History of Breast Cancer
    • Breast Cancer
    • Past breast cancer
    • Previous mammary malignancy
    • History of breast tumor

    ICD-10 Codes:

    • Z853: Personal history of malignant neoplasm of breast

    Also known as:

    • Pilonidal Cyst
    • Tailbone Disorder
    • Sacrococcygeal cyst
    • Pilonidal sinus
    • Tailbone cyst

    ICD-10 Codes:

    • L0591: Pilonidal cyst without abscess

    Also known as:

    • Bilateral Inguinal Hernia
    • Hernia
    • Inguinal Hernia
    • Double Groin Hernia
    • Hernia in Both Groins
    • Non-obstructed Inguinal Hernia

    ICD-10 Codes:

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

    Also known as:

    • Gallstones
    • Cholelithiasis
    • Gallbladder stones
    • Biliary calculi

    ICD-10 Codes:

    • K8020: Calculus of gallbladder without cholecystitis without obstruction

    Also known as:

    • Benign Lipoma of Trunk
    • Benign Tumor
    • Non-cancerous fatty lump on body
    • Trunk lipoma
    • Body fatty tumor

    ICD-10 Codes:

    • D171: Benign lipomatous neoplasm of skin and subcutaneous tissue of trunk

    Also known as:

    • Back Abscess
    • Abscess
    • Back skin infection
    • Pus pocket on back

    ICD-10 Codes:

    • L02212: Cutaneous abscess of back [any part, except buttock and flank]

    Also known as:

    • Abscess in the Groin
    • Abscess
    • Pus Pocket
    • Skin Infection With Pus
    • Infected Lump

    ICD-10 Codes:

    • L02214: Cutaneous abscess of groin

    Also known as:

    • Acute Anal Fissure
    • Anal Disorder
    • Tear in Anus
    • Fresh Anal Tear
    • Acute Rectal Fissure

    ICD-10 Codes:

    • K600: Acute anal fissure

    Also known as:

    • Lipoma of the Skin or Under the Skin on the Right Arm
    • Benign Tumor
    • Fatty tumor on right arm
    • Right arm subcutaneous lipoma
    • Benign fatty growth on right arm
    • Right arm lipoma

    ICD-10 Codes:

    • D1721: Benign lipomatous neoplasm of skin and subcutaneous tissue of right arm

    Which procedures does Dr. O'brien perform as a Surgeon?

    As a Surgeon, procedures performed by a Dr. Michael O'brien may include:

    For detailed information, please contact Dr. O'brien's office.

    Does Dr. O'brien accept my insurance?

    Dr. O'brien accepts most major insurance plans. Important: Please call our office at (203) 772-0650 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'brien accept in New Haven, CT?

    Dr. O'brien 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

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Federal Employee Program

    • Humana

    • Medicare

    • OptumRx

    • Transamerica Life Insurance

    • UnitedHealthcare

    View All Insurances

    Where is Dr. O'brien's office located?

    Dr. Michael O'brien's Primary Practice

    60 Temple St Ste 5A

    New Haven, CT 06510

    (203) 772-0650

    Get Directions

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

    Dr. O'brien's National Provider Identifier (NPI) number is 1730107061.

    What common questions do patients ask about Dr. O'brien?

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

    What is Dr. Michael O'brien's specialty?

    Dr. O'brien 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. O'brien to book an appointment today.

    Is this Dr. Michael O'brien affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'brien is affiliated with Smilow Cancer Hospital At Yale New Haven 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 Michael O'brien accepting new patients in New Haven, CT?

    Yes, Dr. Michael O'brien is accepting new patients at this time.

    Does Dr. Michael O'brien offer online booking?

    Please contact Dr. O'brien's office at (203) 772-0650 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Michael O'brien?

    Please contact Dr. O'brien's office at (203) 772-0650 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Michael O'brien have?

    Dr. Michael O'brien is certified by the American Board of Surgery.

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