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Dr. William Leach, MD

Manchester, CT

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Leach, Infectious Disease Specialist in Manchester, CT?

    Dr. William Leach, MD is an Infectious Disease Specialist, who primarily practices in Manchester, CT with 1 additional practice location. Dr. Leach is fluent in English, and is currently seeing new patients. Dr. Leach’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Leach’s office at (631) 475-6900.

    What languages does Dr. Leach speak?

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

    • English

    What conditions does an Infectious Disease Specialist like Dr. Leach typically treat?

    As an Infectious Disease Specialist, Dr. Leach 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. Leach. 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 here.

    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:

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

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Severe Obesity
    • Body Weight
    • Obesity
    • Morbid Obesity
    • Extreme Obesity
    • High Body Mass Index

    ICD-10 Codes:

    • Z684: Body mass index [BMI] 40 or greater, adult

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, 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:

    • Blood Infection
    • Sepsis
    • Bacteremia
    • Bacteria in blood
    • Bloodstream infection

    ICD-10 Codes:

    • R7881: Bacteremia

    Also known as:

    • Healthy Weight
    • Body Weight
    • Normal Weight
    • Body Mass Index
    • Optimal Weight

    ICD-10 Codes:

    • Z6824: Body mass index [BMI] 24.0-24.9, adult

    Also known as:

    • Latent Tuberculosis
    • Tuberculosis
    • Inactive TB
    • Latent TB Infection
    • Hidden TB

    ICD-10 Codes:

    • Z227: Latent tuberculosis

    Also known as:

    • Bone Infection
    • Osteomyelitis
    • Infected Bone
    • Bone Inflammation
    • Bone Infection Disease

    ICD-10 Codes:

    • M869: Osteomyelitis, unspecified

    Also known as:

    • C. diff Infection
    • Gastroenteritis
    • Clostridioides difficile infection
    • Clostridium difficile colitis
    • C. difficile-associated diarrhea

    ICD-10 Codes:

    • A0472: Enterocolitis due to Clostridium difficile, not specified as recurrent

    Also known as:

    • Pus in Chest Cavity
    • Abscess
    • Chest Injuries and Disorder
    • Empyema
    • Pleural empyema
    • Infected pleural space

    ICD-10 Codes:

    • J869: Pyothorax without fistula

    What procedures does an Infectious Disease Specialist like Dr. Leach typically perform?

    As an Infectious Disease Specialist, procedures performed by Dr. William Leach may include:

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

    Does Dr. Leach accept my insurance?

    Dr. Leach accepts most major insurance plans. Important: Please call our office at (631) 475-6900 before your appointment to verify that your specific plan and network are accepted.

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

    Dr. Leach in Manchester, CT 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)

    • Elevance Health Inc. (formerly Anthem)

    • EmblemHealth

    • Federal government of the United States

    • Humana

    • Medicare

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Leach's office located?

    Dr. William Leach's Primary Practice

    18 Haynes St # 2

    Manchester, CT 06040

    (631) 475-6900

    Get Directions

    Dr. William Leach's Practice 2

    100 Hospital Rd Ste 201

    East Patchogue, NY 11772

    Get Directions

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

    Dr. Leach's National Provider Identifier (NPI) number is 1114546785.

    What common questions do patients ask about Dr. Leach?

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

    What is Dr. William Leach's specialty?

    Dr. Leach is a Infectious Disease Specialist near Manchester, CT.

    What does an Infectious Disease Specialist do?

    An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

    Is this Dr. William Leach affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Leach is affiliated with Hartford Healthcare Manchester Memorial Hospital, The Hospital Of Central Connecticut - New Britain General Campus 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 Infectious Disease Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Infectious Disease Specialist. 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 William Leach accepting new patients in Manchester, CT?

    Yes, Dr. William Leach is accepting new patients at this time.

    Does Dr. William Leach offer online booking?

    Please contact Dr. Leach's office at (631) 475-6900 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Leach?

    Please contact Dr. Leach's office at (631) 475-6900 for information regarding telehealth appointment availability or for scheduling assistance.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>