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Dr. Joseph Lonergan, MD

Dr. Joseph Lonergan, MD

San Diego, CA

25 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Lonergan, Internist in San Diego, CA?

    Dr. Joseph Lonergan, MD is an Internist, who primarily practices in San Diego, CA with 1 additional practice location. He has been practicing for over 25 years and is board certified. Dr. Lonergan graduated from Dartmouth Geisel School of Medicine, Hanover, NH and completed his residency at Univ Ca San Diego Med Ctr, Internal Medicine. Dr. Lonergan is fluent in English and Spanish, and is currently seeing new patients. Dr. Lonergan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lonergan’s office at (888) 539-8781.

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

    • Residency: Univ Ca San Diego Med Ctr, Internal Medicine | University of California At San Diego

    • Medical School: UC San Diego, School of Medicine, San Diego | Dartmouth Geisel School of Medicine, Hanover, NH | Primary Care Physician | Professor of Medicine

    Is Dr. Lonergan board certified as an Internist?

    Yes, Dr. Joseph Lonergan, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Lonergan speak?

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

    • English

    • Spanish

    What conditions does an Internist like Dr. Lonergan typically treat?

    As an Internist, Dr. Lonergan 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. Lonergan. 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.

    Also known as:

    • HIV
    • Human Immunodeficiency Virus
    • AIDS virus

    ICD-10 Codes:

    • B20: Human immunodeficiency virus [HIV] disease

    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:

    • Immunization Visit
    • HIV Pre-Exposure Prophylaxis
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter
    • PrEP for HIV
    • HIV Prevention Medication
    • Pre-Exposure Prophylaxis

    ICD-10 Codes:

    • Z23: Encounter for immunization
    • Z2981: Encounter for HIV pre-exposure prophylaxis

    Also known as:

    • Exposure to HIV
    • Exposure to Sexually Transmitted Infection (STI)
    • HIV
    • Sexually Transmitted Infection
    • HIV contact
    • Suspected HIV exposure
    • Human immunodeficiency virus exposure
    • Contact with STD
    • Suspected STI exposure
    • Sexual disease contact

    ICD-10 Codes:

    • Z206: Contact with and (suspected) exposure to human immunodeficiency virus [HIV]
    • Z202: Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmission

    Also known as:

    • Sexually Transmitted Infection (STI) Screening
    • Health Screening
    • STD screening
    • Sexual health check
    • Venereal disease test

    ICD-10 Codes:

    • Z113: Encounter for screening for infections with a predominantly sexual mode of transmission

    What procedures does an Internist like Dr. Lonergan typically perform?

    As an Internist, Dr. Lonergan 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. Lonergan. 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.

    Also known as:

    • Removal of Benign Skin Lesions
    • Benign Skin Growth Destruction
    • Skin Lesion Excision
    • Cryosurgery for Skin Lesions
    • Electrosurgery for Skin Lesions

    CPT Codes:

    • 17110: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), of benign lesions other than skin tags or cutaneous vascular proliferative lesions; up to 14 lesions

    Does Dr. Lonergan accept my insurance?

    Dr. Lonergan accepts most major insurance plans. Important: Please call our office at (888) 539-8781 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Lonergan accept in San Diego, CA?

    Dr. Lonergan in San Diego, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • HealthRight Group

    • Humana

    • Medicare

    • Other Health Care Provider

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Lonergan's office located?

    Mail Code 8681

    200 W Arbor Dr

    San Diego, CA 92103

    (888) 539-8781

    Get Directions

    Dr. Joseph Lonergan's Practice 2

    4168 Front St

    San Diego, CA 92103

    Get Directions

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

    Dr. Lonergan's National Provider Identifier (NPI) number is 1962427310.

    What common questions do patients ask about Dr. Lonergan?

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

    What is Dr. Joseph Lonergan's specialty?

    Dr. Lonergan is a Internist near San Diego, CA.

    What does an Internist do?

    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.

    Is this Dr. Joseph Lonergan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Lonergan is affiliated with Jacobs Medical Center At Uc San Diego Health, Scripps Mercy Hospital San Diego, Scripps Memorial Hospital Encinitas which are a Castle Connolly Top Hospitals. 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

    When to see an Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Internist. Explore 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 Joseph Lonergan accepting new patients in San Diego, CA?

    Yes, Dr. Joseph Lonergan is accepting new patients at this time.

    Does Dr. Joseph Lonergan offer online booking?

    Please contact Dr. Lonergan's office at (888) 539-8781 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Joseph Lonergan?

    Please contact Dr. Lonergan's office at (888) 539-8781 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Joseph Lonergan have?

    Dr. Joseph Lonergan is certified by the American Board of Internal Medicine.

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