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Dr. William Klein, MD

Internal Medicine*
4.5 (58)
Map Pin Small Great Neck, NY
Accepting new patients
30 years of experience

Offers telehealth

Overview of Dr. William Klein, MD

Dr. William Klein, MD is an Internal Medicine Specialist in Great Neck, NY. They specialize in Internal Medicine, has 30 years of experience. They graduated from Icahn School of Medicine at Mount Sinai and is affiliated with St. Francis Hospital & Heart Center and Staten Island University Hospital. Dr. Klein, completed a residency at Mt Sinai School of Med, Internal Medicine. Patients rated Dr. Klein an average 4.5 star rating.

Dr. Klein works at Practice in Great Neck, NY. They are accepting new patients and accept Aetna, Blue Cross Blue Shield and Cigna as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Compare with other Internal Medicine Specialists
Compare Dr. Klein with our nearby Internal Medicine Specialists at NewYork-Presbyterian Queens
These providers are on the medical staff of NewYork-Presbyterian Queens.

Dr. Klein's Office Locations

  1. 1
    North Shore Sleep Medicine
    1000 Northern Blvd Ste 230, Great Neck, NY 11021 Icon Directions Right Arrow Directions Phone Icon (516) 627-4433
    Monday
    09:00 - 17:00
    Tuesday
    09:00 - 17:00
    Wednesday
    09:00 - 17:00
    Thursday
    09:00 - 17:00
    Friday
    09:00 - 17:00

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • St. Francis Hospital & Heart Center
  • Staten Island University Hospital

Experience & Treatment Frequency

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What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Immunization Administration
Muscle Spasm
Arterial Blood Gas Test (ABG)

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Immunization Administration
Muscle Spasm
Arterial Blood Gas Test (ABG)
Acute Upper Respiratory Infection
All Headaches (incl. Migraine)
Common Cold
Constipation
Diabetes Skin Lesion
Fever
  • View other providers who treat Fever
Joint Pain
Muscle Cramping
Throat Pain
Tobacco Use Disorder
Urinary Incontinence
Urinary Tract Infection (UTI)
Care Coordination for Complex Conditions and Procedures
Electrocardiogram (EKG)
Fecal Occult Blood Test for Colorectal Cancer
Smoking Cessation Counseling
Wellness Examination
Acute Bronchitis
Acute Lower Respiratory Infection
Adhesive Capsulitis Shoulder
Anemia
  • View other providers who treat Anemia
Anxiety
  • View other providers who treat Anxiety
Arthritis
Asthma
  • View other providers who treat Asthma
Congestive Heart Failure
COPD (Chronic Obstructive Pulmonary Disease)
Depression
Depressive Disorders
Diabetes
  • View other providers who treat Diabetes
Emphysema
Familial Hypercholesterolemia
Heart Disease
High Cholesterol
Hyperlipidemia
Hypertension
Limb Pain
Obesity
  • View other providers who treat Obesity
Osteoporosis
Pharyngitis
Psoriasis Vulgaris
Shortness of Breath
Sleep Apnea
Syncope
  • View other providers who treat Syncope
Vascular Disease
Venous Embolism and Thrombosis
Advance Directive End of Life Planning
Angioplasty With Stent Placement
Bone Density Scan
Cardiac Ultrasound
Immunization
Physical Examination
Spirometry
Urinalysis
Vaccination
Check your insurance
    Close Icon
    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Blue Cross Blue Shield
    • Capital District Physician's Health Plan (CDPHP)
    • Cigna
    • EmblemHealth
    • Empire Blue Cross Blue Shield
    • Excellus BlueCross BlueShield
    • Humana
    • MagnaCare
    • MVP Health Care
    • Oxford Health Plans
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    4.5
    Average provider rating
    Based on 58 ratings
    Patient Ratings (58)
    5 Star
    (51)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (1)
    1 Star
    (6)
    Leave a review

    How was your appointment with Dr. Klein?

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    Photo: Dr. William Klein, MD
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    • Likelihood of recommending Dr. Klein to family and friends

    Dr. Klein's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Klein

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. William Klein, MD

    Specialties*
    • Internal Medicine

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 30 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English, Spanish
    Languages Spoken
    NPI Number
    • 1659359578
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Residency
    • Mt Sinai School of Med, Internal Medicine
    Residency
    Internship
    • Mt Sinai Hospital
    Internship
    Medical Education
    • Icahn School of Medicine at Mount Sinai
    Medical Education

    Frequently Asked Questions

    Dr. William Klein, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Klein is offering online scheduling or call the provider’s office for more information.

    Dr. Klein has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    58 patients have reviewed Dr. Klein. The overall rating for this provider is 4.5. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Klein.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Klein, there are benefits to both methods. A person calling to schedule an with Dr. Klein appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Klein, or would you like to choose another provider and have an online appointment right now?
    Find provider online now
    Call now to make an appointment
    (516) 627-4433

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