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Dr. Collins Onwuka, MD

Manchester, CT

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Onwuka, Internist in Manchester, CT?

    Dr. Collins Onwuka, MD is an Internist, who primarily practices in Manchester, CT with 2 additional practice locations. Dr. Onwuka is fluent in English, and is currently seeing new patients. Dr. Onwuka’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Onwuka’s office at (860) 646-1222.

    What languages does Dr. Onwuka speak?

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

    • English

    What conditions does Dr. Onwuka treat?

    As an Internist, Dr. Onwuka 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. Onwuka. 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:

    • Acute Respiratory Failure with Low Oxygen
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia

    Also known as:

    • Depression
    • Depression (Single Episode)
    • Clinical depression
    • Major depressive disorder
    • Mood disorder
    • Major depression
    • Depressive episode

    ICD-10 Codes:

    • F32A: Depression, unspecified
    • F329: Major depressive disorder, single episode, unspecified

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Bipolar Disorder
    • Manic depression
    • Bipolar illness
    • Mood disorder

    ICD-10 Codes:

    • F319: Bipolar disorder, unspecified

    Also known as:

    • Brain disease (encephalopathy)
    • Brain Disease
    • Brain disorder
    • Brain dysfunction
    • Encephalopathy

    ICD-10 Codes:

    • G9340: Encephalopathy, unspecified

    Also known as:

    • Muscle Weakness
    • Muscle Disorder
    • Loss of strength
    • Fatigue
    • Muscle fatigue

    ICD-10 Codes:

    • R531: Weakness

    Also known as:

    • Dizziness
    • Dizziness and Vertigo
    • Lightheadedness
    • Giddiness
    • Vertigo

    ICD-10 Codes:

    • R42: Dizziness and giddiness

    Also known as:

    • Chest Pain
    • Chest discomfort
    • Thoracic pain
    • Upper body pain

    ICD-10 Codes:

    • R079: Chest pain, 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:

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

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Nausea and Vomiting
    • Feeling Sick and Throwing Up
    • Stomach Flu Symptoms
    • Queasy and Vomiting

    ICD-10 Codes:

    • R112: Nausea with vomiting, unspecified

    Also known as:

    • Dementia with Behavioral Changes
    • Dementia
    • Dementia with behavioral problems
    • Cognitive decline with behavior issues
    • Memory loss with personality changes

    ICD-10 Codes:

    • F03918: Unspecified dementia, unspecified severity, with other behavioral disturbance

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Anxiety Disorder
    • Anxiety
    • General Anxiety
    • Anxiety Problems
    • Nervous Disorder

    ICD-10 Codes:

    • F419: Anxiety disorder, unspecified

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Schizoaffective Disorder
    • Psychotic Disorder
    • Schizoaffective disorder
    • Mixed psychotic and mood disorder
    • Schizophrenia with mood symptoms
    • Affective psychosis

    ICD-10 Codes:

    • F259: Schizoaffective disorder, unspecified

    Also known as:

    • Schizophrenia
    • Psychotic disorder
    • Thought disorder
    • Mental illness with psychosis

    ICD-10 Codes:

    • F209: Schizophrenia, unspecified

    Which procedures does Dr. Onwuka perform as an Internist?

    As an Internist, procedures performed by Dr. Collins Onwuka may include:

    For detailed information, please contact Dr. Onwuka's office.

    Does Dr. Onwuka accept my insurance?

    Dr. Onwuka accepts most major insurance plans. Important: Please call our office at (860) 646-1222 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Onwuka accept in Manchester, CT?

    Dr. Onwuka in Manchester, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross and Blue Shield of Nebraska

    • CarePartners of Connecticut

    • Centene

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Humana

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Onwuka's office located?

    Dr. Collins Onwuka's Primary Practice

    71 Haynes St

    Manchester, CT 06040

    (860) 646-1222

    Get Directions

    Dr. Collins Onwuka's Practice 2

    31 Union St

    Vernon, CT 06066

    Get Directions

    Dr. Collins Onwuka's Practice 3

    160 Robbins St

    Waterbury, CT 06708

    Get Directions

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

    Dr. Onwuka's National Provider Identifier (NPI) number is 1366054009.

    What common questions do patients ask about Dr. Onwuka?

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

    What is Dr. Collins Onwuka's specialty?

    Dr. Onwuka is a Internist near Manchester, 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. Onwuka to book an appointment today.

    Is this Dr. Collins Onwuka affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Onwuka is affiliated with Manchester Memorial Hospital, MidState 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

    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 Collins Onwuka accepting new patients in Manchester, CT?

    Yes, Dr. Collins Onwuka is accepting new patients at this time.

    Does Dr. Collins Onwuka offer online booking?

    Please contact Dr. Onwuka's office at (860) 646-1222 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Collins Onwuka?

    Please contact Dr. Onwuka's office at (860) 646-1222 for information regarding telehealth appointment availability or for scheduling assistance.

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