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Dr. Irving Smith, DO

Sleep Medicine Specialist - Internist, Internist

Lancaster, NH

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Smith, Sleep Medicine Specialist - Internist in Lancaster, NH?

    Dr. Irving Smith, DO is a Sleep Medicine Specialist - Internist, who primarily practices in Lancaster, NH with 2 additional practice locations. Dr. Smith is fluent in English, and is currently seeing new patients. Dr. Smith’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Smith’s office at (603) 444-7070.

    What languages does Dr. Smith speak?

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

    • English

    What conditions does a Sleep Medicine Specialist - Internist like Dr. Smith typically treat?

    As a Sleep Medicine Specialist - Internist, Dr. Smith 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. Smith. 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:

    • Obstructive Sleep Apnea
    • Central Sleep Apnea
    • Sleep Apnea
    • Obstructive sleep apnea
    • OSA
    • Blocked airway during sleep
    • Snoring and gasping during sleep
    • CSA
    • Brain-Related Sleep Apnea

    ICD-10 Codes:

    • G4733: Obstructive sleep apnea (adult) (pediatric)
    • G4731: Primary central sleep apnea

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Insomnia
    • Sleep Disorder
    • Sleeplessness
    • Trouble Sleeping
    • Psychophysiologic Insomnia

    ICD-10 Codes:

    • F5104: Psychophysiologic insomnia

    What procedures does a Sleep Medicine Specialist - Internist like Dr. Smith typically perform?

    As a Sleep Medicine Specialist - Internist, procedures performed by Dr. Irving Smith may include:

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

    Does Dr. Smith accept my insurance?

    Dr. Smith accepts most major insurance plans. Important: Please call our office at (603) 444-7070 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Smith accept in Lancaster, NH?

    Dr. Smith in Lancaster, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Michigan

    • BMC Health System

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Federal government of the United States

    • Independence Health Group

    • Medicare

    • Point32Health

    • State of New Hampshire

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Smith's office located?

    Dr. Irving Smith's Primary Practice

    173 Middle St

    Lancaster, NH 03584

    (603) 444-7070

    Get Directions

    Dr. Irving Smith's Practice 2

    580 Saint Johnsbury Rd

    Littleton, NH 03561

    Get Directions

    Dr. Irving Smith's Practice 3

    536 Cottage St

    Littleton, NH 03561

    Get Directions

    What hospitals are Dr. Smith affiliated with?

    CastleConnolyTopDoctors

    Castle Connolly Top Hospital

    This doctor is affiliated with a Castle Connolly Top Hospital.

    Dr. Smith has admitting privileges at the following hospitals:

    Weeks Medical Center,Lancaster, NH
    Upper Connecticut Valley Hospital Association,Colebrook, NH
    Androscoggin Valley Hospital, Inc.,Berlin, NH

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

    Dr. Smith's National Provider Identifier (NPI) number is 1023206968.

    What common questions do patients ask about Dr. Smith?

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

    What is Dr. Irving Smith's specialty?

    Dr. Smith is a Sleep Medicine Specialist - Internist near Lancaster, NH.

    What does a Sleep Medicine Specialist - Internist do?

    An internist specializing in Sleep Medicine is certified in this subspecialty and focuses on the clinical evaluation, physiological testing, diagnosis, treatment, and prevention of sleep and circadian rhythm disorders. These specialists care for patients of all ages, utilizing a multidisciplinary approach. Conditions they manage include, but are not limited to, sleep-related breathing disorders, insomnia, hypersomnia's, circadian rhythm disorders, parasomnias, and sleep-related movement disorders.

    Is Dr. Irving Smith affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Smith is affiliated with Speare Memorial Hospital 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

    When to see a Sleep Medicine Specialist - Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Sleep Medicine Specialist - 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 Dr. Irving Smith accepting new patients in Lancaster, NH?

    Yes, Dr. Irving Smith is accepting new patients at this time.

    Does Dr. Irving Smith offer online booking?

    Please contact Dr. Smith's office at (603) 444-7070 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Irving Smith?

    Please contact Dr. Smith's office at (603) 444-7070 to schedule an appointment.

    Where is Dr. Smith's office located?

    Dr. Smith's offices are located in Lancaster, NH and Littleton, NH.