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Dr. Daniel O'neill, MD

Putnam, CT

27 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. O'neill, Internist in Putnam, CT?

    Dr. Daniel O'neill, MD is an Internist, who primarily practices in Putnam, CT. He has been practicing for over 27 years and is board certified by the American Board of Family Medicine. Dr. O'neill graduated from State University of New York Upstate Medical University and completed his residency at Naval Hosp Pensacola, Family Medicine. Dr. O'neill is fluent in English and Spanish, and is currently seeing new patients. Dr. O'neill’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'neill’s office at (860) 928-7704.

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

    • Residency: Naval Hosp Pensacola, Family Medicine | Naval Medical Center (Portsmouth) Program

    • Medical School: Suny At Stony Brook Hlth Sci Ctr, Stony Brook Ny | State University of New York Upstate Medical University

    Is Dr. O'neill board certified in Internist?

    Yes, Dr. Daniel O'neill, MD is board certified by the American Board of Family Medicine

    What languages does Dr. O'neill speak?

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

    • English

    • Spanish

    What conditions does Dr. O'neill treat?

    As a Internist, Dr. O'neill 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'neill. 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:

    • 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:

    • Type 2 Diabetes
    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Type 2 diabetes
    • Hyperglycemia
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications
    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

    • Prostate Cancer Screening
    • Prostate Cancer Screening (PDQ®)
    • PSA Test
    • Prostate Exam
    • Prostate Cancer Check

    ICD-10 Codes:

    • Z125: Encounter for screening for malignant neoplasm of prostate

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Chronic Pancreatitis
    • Pancreatitis
    • Hereditary pancreatitis
    • Long-Term Pancreas Inflammation
    • Ongoing Pancreatitis

    ICD-10 Codes:

    • K861: Other chronic pancreatitis

    Also known as:

    • Pinched Nerve in Lower Back
    • Back Pain
    • Peripheral Nerve Disorder
    • Lumbar Radiculopathy
    • Lower Back Nerve Compression
    • Compressed Nerve in Lower Back

    ICD-10 Codes:

    • M5416: Radiculopathy, lumbar region

    Also known as:

    • Fatigue
    • Tiredness
    • Lack of energy
    • Exhaustion

    ICD-10 Codes:

    • R5383: Other fatigue

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

    • COPD Flare-Up
    • COPD
    • COPD Exacerbation
    • Chronic Obstructive Pulmonary Disease Flare-Up
    • Worsening COPD
    • COPD Attack

    ICD-10 Codes:

    • J441: Chronic obstructive pulmonary disease with (acute) exacerbation

    Also known as:

    • Vitamin D Deficiency
    • Low Vitamin D Levels
    • Lack of Vitamin D
    • Hypovitaminosis D

    ICD-10 Codes:

    • E559: Vitamin D deficiency, unspecified

    Also known as:

    • Obstructive Sleep Apnea
    • Sleep Apnea
    • Obstructive sleep apnea
    • OSA
    • Blocked airway during sleep
    • Snoring and gasping during sleep

    ICD-10 Codes:

    • G4733: Obstructive sleep apnea (adult) (pediatric)

    Also known as:

    • Pulmonary Embolism
    • Blood clot in lung
    • Lung embolism
    • PE

    ICD-10 Codes:

    • I2699: Other pulmonary embolism without acute cor pulmonale

    Also known as:

    • Low Sodium Levels
    • Fluid and Electrolyte Balance
    • Sodium
    • Hyponatremia
    • Low Blood Sodium
    • Sodium Deficiency

    ICD-10 Codes:

    • E871: Hypo-osmolality and hyponatremia

    Also known as:

    • Localized Swelling
    • Edema
    • Localized Edema
    • Fluid Retention
    • Swelling in one area

    ICD-10 Codes:

    • R600: Localized edema

    Which procedures does Dr. O'neill perform as a Internist?

    As a Internist, procedures performed by an Dr. Daniel O'neill may include:

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

    Does Dr. O'neill accept my insurance?

    Dr. O'neill accepts most major insurance plans. Important: Please call our office at (860) 928-7704 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'neill accept in Putnam, CT?

    Dr. O'neill in Putnam, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Centene

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Express Scripts

    • HealthComp

    • Medicare

    • State of Connecticut

    • Trustmark Insurance Company

    • UnitedHealthcare

    View All Insurances

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

    Dr. Daniel O'neill's Primary Practice

    7 Kennedy Dr

    Putnam, CT 06260

    (860) 928-7704

    Get Directions

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

    Dr. O'neill's National Provider Identifier (NPI) number is 1972578508.

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

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

    What is Dr. Daniel O'neill's specialty?

    Dr. O'neill is a Internist near Putnam, CT.

    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.

    Contact Dr. O'neill to book an appointment today.

    Is this Dr. Daniel O'neill affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. O'neill is affiliated with Day Kimball Hospital, Waterbury Hospital, William W. Backus Hospital 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

    Where can I learn more about Internist?

    Explore Internist 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 Daniel O'neill accepting new patients in Putnam, CT?

    Yes, Dr. Daniel O'neill is accepting new patients at this time.

    Does Dr. Daniel O'neill offer online booking?

    Please contact Dr. O'neill's office at (860) 928-7704 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Daniel O'neill?

    Please contact Dr. O'neill's office at (860) 928-7704 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Daniel O'neill have?

    Dr. Daniel O'neill is certified by the American Board of Family Medicine.

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