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Dr. Mary Louisa Barnhart, MD

Portland, ME

40 Years of Experience

Accepting patients

    Who is Dr. Barnhart, Addiction Psychiatrist in Portland, ME?

    Dr. Mary Louisa Barnhart, MD is an Addiction Psychiatrist, who primarily practices in Portland, ME with 2 additional practice locations. She has been practicing for over 40 years and is board certified. Dr. Barnhart is fluent in English and German, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. Barnhart’s office at (207) 861-6251.

    Is Dr. Barnhart board certified as an Addiction Psychiatrist?

    Yes, Dr. Mary Louisa Barnhart, MD is board certified by the American Board of Psychiatry and Neurology

    What languages does Dr. Barnhart speak?

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

    • English

    • German

    What conditions does an Addiction Psychiatrist like Dr. Barnhart typically treat?

    As an Addiction Psychiatrist, Dr. Barnhart 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. Barnhart. 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:

    • Opioid Dependence
    • Opioids and Opioid Use Disorder (OUD)
    • Prescription Drug Misuse
    • Opioid addiction
    • Opioid use disorder
    • OUD

    ICD-10 Codes:

    • F1120: Opioid dependence, uncomplicated

    Does Dr. Barnhart accept my insurance?

    Dr. Barnhart accepts most major insurance plans. Important: Please call our office at (207) 861-6251 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Barnhart accept in Portland, ME?

    Dr. Barnhart in Portland, ME accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Point32Health

    View All Insurances

    Where is Dr. Barnhart's office located?

    Dr. Mary Louisa Barnhart's Primary Practice

    315 Park Ave

    Portland, ME 04102

    (207) 861-6251

    Get Directions

    Dr. Mary Louisa Barnhart's Practice 2

    10 Water St Ste 306

    Waterville, ME 04901

    Get Directions

    Dr. Mary Louisa Barnhart's Practice 3

    325 Kennedy Memorial Dr

    Waterville, ME 04901

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

    Dr. Barnhart's National Provider Identifier (NPI) number is 1811055353.

    What common questions do patients ask about Dr. Barnhart?

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

    What is Dr. Mary Louisa Barnhart's specialty?

    Dr. Barnhart is a Addiction Psychiatrist near Portland, ME.

    What does an Addiction Psychiatrist do?

    Addiction Psychiatry is a psychiatry subspecialty dedicated to the evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, as well as those with a dual diagnosis of substance use and other psychiatric conditions.

    Is this Dr. Mary Louisa Barnhart affiliated with a ranked Castle Connolly Top Hospital?

    No, Barnhart is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Addiction Psychiatrist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Addiction Psychiatrist. 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 Mary Louisa Barnhart accepting new patients in Portland, ME?

    Yes, Dr. Mary Louisa Barnhart is accepting new patients at this time.

    Does Dr. Mary Louisa Barnhart offer online booking?

    Please contact Dr. Barnhart's office at (207) 861-6251 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mary Louisa Barnhart?

    Please contact Dr. Barnhart's office at (207) 861-6251 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mary Louisa Barnhart have?

    Dr. Mary Louisa Barnhart is certified by the American Board of Psychiatry and Neurology.

    <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>