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Dr. John Nohren, MD

Washington, DC

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Nohren, Internist in Washington, DC?

    Dr. John Nohren, MD is an Internist, who primarily practices in Washington, DC with 1 additional practice location. Dr. Nohren is fluent in English, and is currently seeing new patients. Dr. Nohren’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nohren’s office at (202) 741-2600.

    What languages does Dr. Nohren speak?

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

    • English

    What conditions does an Internist like Dr. Nohren typically treat?

    As an Internist, Dr. Nohren 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. Nohren. 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:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Acute Kidney Failure
    • Kidney Failure
    • Acute Renal Failure
    • Sudden Kidney Failure

    ICD-10 Codes:

    • N179: Acute kidney failure, 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:

    • 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:

    • 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:

    • Changes in Mental State
    • Mental Disorder
    • Confusion
    • Disorientation
    • Changes in awareness

    ICD-10 Codes:

    • R4182: Altered mental status, unspecified

    Also known as:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Gastrointestinal Bleeding
    • Gastrointestinal (GI) Bleeding
    • GI Bleeding
    • Internal Digestive Bleeding
    • Digestive Tract Hemorrhage

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified

    What procedures does an Internist like Dr. Nohren typically perform?

    As an Internist, procedures performed by Dr. John Nohren may include:

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

    Does Dr. Nohren accept my insurance?

    Dr. Nohren accepts most major insurance plans. Important: Please call our office at (202) 741-2600 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Nohren accept in Washington, DC?

    Dr. Nohren in Washington, DC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cigna Group

    • CVS Health (formerly Aetna)

    • District of Columbia

    • Humana

    • Kaiser Permanente

    • Medicare

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Nohren's office located?

    Dr. John Nohren's Primary Practice

    2150 Pennsylvania Ave NW

    Washington, DC 20037

    (202) 741-2600

    Get Directions

    Dr. John Nohren's Practice 2

    900 23rd St NW

    Washington, DC 20037

    Get Directions

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

    Dr. Nohren's National Provider Identifier (NPI) number is 1720584873.

    What common questions do patients ask about Dr. Nohren?

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

    What is Dr. John Nohren's specialty?

    What does an Internist do?

    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.

    Is Dr. John Nohren affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Nohren is affiliated with George Washington University Hospital, Medstar Washington Hospital 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 an Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an 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. John Nohren accepting new patients in Washington, DC?

    Yes, Dr. John Nohren is accepting new patients at this time.

    Does Dr. John Nohren offer online booking?

    Please contact Dr. Nohren's office at (202) 741-2600 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. John Nohren?

    Please contact Dr. Nohren's office at (202) 741-2600 to schedule an appointment.

    Where is Dr. Nohren's office located?

    Dr. Nohren's office is located in Washington, DC.