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Dr. Sean Hennessey, MD

Dr. Sean Hennessey, MD

Vallejo, CA

37 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Hennessey, Family Medicine Specialist in Vallejo, CA?

    Dr. Sean Hennessey, MD is a Family Medicine Specialist, who primarily practices in Vallejo, CA with 2 additional practice locations. He has been practicing for over 37 years and is board certified. Dr. Hennessey graduated from University of Iowa Carver College of Medicine and completed his residency at Broadlawns Med Ctr, Family Medicine. Dr. Hennessey is fluent in English, Spanish, and Tagalog, and is currently seeing new patients. Dr. Hennessey’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hennessey’s office at (707) 643-6483.

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

    • Residency: Broadlawns Med Ctr, Family Medicine | Broadlawns Medical Center | Broadlawns Medical Center Program

    • Medical School: University Of Ia Coll Of Med- Iowa City Ia | University of Iowa Carver College of Medicine | Baylor College of Medicine in Houston, Texas

    Is Dr. Hennessey board certified as a Family Medicine Specialist?

    Yes, Dr. Sean Hennessey, MD is board certified by the American Board of Family Medicine

    What languages does Dr. Hennessey speak?

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

    • English

    • Spanish

    • Tagalog

    What conditions does a Family Medicine Specialist like Dr. Hennessey typically treat?

    As a Family Medicine Specialist, Dr. Hennessey 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. Hennessey. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Type 2 Diabetes
    • Type 2 Diabetes with Chronic Kidney Disease
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetic Kidney Problems
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Chronic Kidney Disease
    • Long-term Kidney Failure from Type 2 Diabetes
    • Type 2 Diabetes End-Stage Renal Disease

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1122: Type 2 diabetes mellitus with diabetic chronic kidney 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:

    • 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:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    What procedures does a Family Medicine Specialist like Dr. Hennessey typically perform?

    As a Family Medicine Specialist, procedures performed by Dr. Sean Hennessey may include:

    Please contact Dr. Hennessey's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Hennessey accept my insurance?

    Dr. Hennessey accepts most major insurance plans. Important: Please call our office at (707) 643-6483 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hennessey accept in Vallejo, CA?

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

    Top Insurances

    • BCBS Unspecified

    • Centene Corporation

    • Elevance Health Inc. (formerly Anthem)

    • Federal government of the United States

    • Humana

    • Medicare

    • Molina Healthcare

    • Sutter Health

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Hennessey's office located?

    Dr. Sean Hennessey's Primary Practice

    100 Hospital Dr

    Vallejo, CA 94589

    (707) 643-6483

    Get Directions

    Dr. Sean Hennessey's Practice 2

    2702 Low Ct

    Fairfield, CA 94534

    Get Directions

    Dr. Sean Hennessey's Practice 3

    2800 L St

    Sacramento, CA 95816

    Get Directions

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

    Dr. Hennessey's National Provider Identifier (NPI) number is 1750342242.

    What common questions do patients ask about Dr. Hennessey?

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

    What is Dr. Sean Hennessey's specialty?

    Dr. Hennessey is a Family Medicine Specialist near Vallejo, CA.

    What does a Family Medicine Specialist do?

    Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care.

    Is this Dr. Sean Hennessey affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Hennessey is affiliated with Sutter Medical Center, Sacramento, Sutter Solano Medical Center, California Pacific Medical Center - Van Ness Campus, Novato Community Hospital, Alta Bates Summit Medical Center - Summit Campus, Eden Medical Center 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 a Family Medicine Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Family Medicine Specialist. 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 Sean Hennessey accepting new patients in Vallejo, CA?

    Yes, Dr. Sean Hennessey is accepting new patients at this time.

    Does Dr. Sean Hennessey offer online booking?

    Please contact Dr. Hennessey's office at (707) 643-6483 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Sean Hennessey?

    Please contact Dr. Hennessey's office at (707) 643-6483 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Sean Hennessey have?

    Dr. Sean Hennessey is certified by the American Board of Family Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>