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LK

Dr. Lorenzo Klein, MD

Nashua, NH

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Klein, Critical Care Internist in Nashua, NH?

    Dr. Lorenzo Klein, MD is a Critical Care Internist, who primarily practices in Nashua, NH with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Klein is fluent in English, German, and Greek, Modern (1453-), and is currently seeing new patients. Dr. Klein’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Klein’s office at (603) 886-0290.

    What are Areas of Expertise for Dr. Klein?

    Dr. Lorenzo Klein, MD is a highly-rated, board-certified Critical Care Internist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Klein empowers patients to confidently navigate their health journey, specializing in Pulmonary Disease, or comprehensive wellness support. Serving the Nashua/NH community, Dr. Klein is dedicated to enhancing lives through expert, patient-centered care.

    Is Dr. Klein board certified in Critical Care Internist?

    Yes, Dr. Lorenzo Klein, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Klein speak?

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

    • English

    • German

    • Greek, Modern (1453-)

    What conditions does Dr. Klein treat?

    As a Critical Care Internist, Dr. Klein 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. Klein. 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
    • Acute and Chronic Respiratory Failure with Low Oxygen
    • Acute and Chronic Respiratory Failure with High Carbon Dioxide
    • Acute Respiratory Failure with High Carbon Dioxide
    • Respiratory Failure
    • Sudden lung failure with low oxygen
    • Hypoxic respiratory failure
    • Acute breathing failure with hypoxia
    • Sudden and Long-Term Lung Failure with Low Oxygen
    • Acute and Chronic Hypoxic Respiratory Failure
    • Ongoing Breathing Failure with Low Oxygen
    • Sudden and long-term lung failure with high CO2
    • Acute-on-chronic hypercapnic respiratory failure
    • Mixed respiratory failure with hypercapnia
    • Sudden lung failure with high CO2
    • Hypercapnic respiratory failure
    • Acute breathing failure with hypercapnia

    ICD-10 Codes:

    • J9601: Acute respiratory failure with hypoxia
    • J9621: Acute and chronic respiratory failure with hypoxia
    • J9622: Acute and chronic respiratory failure with hypercapnia
    • J9602: Acute respiratory failure with hypercapnia

    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:

    • Sudden Cardiac Arrest
    • Heart stops beating
    • Cardiopulmonary arrest

    ICD-10 Codes:

    • I469: Cardiac arrest, cause unspecified

    Also known as:

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

    ICD-10 Codes:

    • K922: Gastrointestinal hemorrhage, unspecified

    Also known as:

    • Type 1 Diabetes with Diabetic Ketoacidosis
    • Diabetes Complicationss
    • Diabetes Type 1
    • Type 1 diabetes
    • Juvenile Diabetes with DKA
    • Insulin-Dependent Diabetes with Diabetic Acidosis
    • Type 1 Diabetes and Ketones

    ICD-10 Codes:

    • E1010: Type 1 diabetes mellitus with ketoacidosis without coma

    Also known as:

    • Heart Attack (NSTEMI)
    • Heart Attack
    • Myocardial Infarction
    • Non-STEMI
    • Less Severe Heart Attack

    ICD-10 Codes:

    • I214: Non-ST elevation (NSTEMI) myocardial infarction

    Also known as:

    • Cardiogenic Shock
    • Shock
    • Heart-related shock
    • Cardiac shock
    • Circulatory collapse from heart

    ICD-10 Codes:

    • R570: Cardiogenic shock

    Also known as:

    • Toxic brain damage
    • Toxic encephalopathy
    • Brain damage from toxins
    • Drug-induced brain disorder

    ICD-10 Codes:

    • G928: Other toxic encephalopathy

    Also known as:

    • Metabolic Brain Disorder
    • Brain Disease
    • Metabolic Encephalopathy
    • Brain Dysfunction from Metabolism

    ICD-10 Codes:

    • G9341: Metabolic encephalopathy

    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:

    • Pleural Effusion
    • Pleural Disorder
    • Fluid in lungs
    • Water on the lung
    • Fluid around lungs

    ICD-10 Codes:

    • J90: Pleural effusion, not elsewhere classified

    Also known as:

    • Traumatic Subdural Brain Bleed
    • Subdural Hematoma
    • Head Bleed
    • Brain Hemorrhage
    • Head Injury

    ICD-10 Codes:

    • S065XAA: Traumatic subdural hemorrhage with loss of consciousness status unknown, initial encounter

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    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

    Which procedures does Dr. Klein perform as a Critical Care Internist?

    As a Critical Care Internist, procedures performed by a Dr. Lorenzo Klein may include:

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

    Does Dr. Klein accept my insurance?

    Dr. Klein accepts most major insurance plans. Important: Please call our office at (603) 886-0290 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Klein accept in Nashua, NH?

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

    Top Insurances

    • Boston Medical Center

    • Centene

    • Cigna

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Medicaid

    • Medicare

    • Point32Health

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Klein's office located?

    Dr. Lorenzo Klein's Primary Practice

    10 Prospect St Ste 202

    Nashua, NH 03060

    (603) 886-0290

    Get Directions

    Dr. Lorenzo Klein's Practice 2

    1 Elliot Way # 100

    Manchester, NH 03103

    Get Directions

    Dr. Lorenzo Klein's Practice 3

    789 Central Ave # 1

    Dover, NH 03820

    Get Directions

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

    Dr. Klein's National Provider Identifier (NPI) number is 1659489680.

    What common questions do patients ask about Dr. Klein?

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

    What is Dr. Lorenzo Klein's specialty?

    Dr. Klein is a Critical Care Internist near Nashua, NH. An internist specializing in the diagnosis, treatment, and support of patients with multiple organ dysfunction. This specialist may hold administrative responsibilities within intensive care units and plays a key role in facilitating and coordinating patient care among primary physicians, critical care staff, and other specialists. Contact Dr. Klein to book an appointment today.

    Is this Dr. Lorenzo Klein affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Klein is affiliated with Southern New Hampshire Medical Center 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

    Where can I learn more about Critical Care Internist?

    Explore Critical Care 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 Lorenzo Klein accepting new patients in Nashua, NH?

    Yes, Dr. Lorenzo Klein is accepting new patients at this time.

    Does Dr. Lorenzo Klein offer online booking?

    Please contact Dr. Klein's office at (603) 886-0290 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Lorenzo Klein?

    Please contact Dr. Klein's office at (603) 886-0290 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Lorenzo Klein have?

    Dr. Lorenzo Klein is certified by the American Board of Internal Medicine.

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