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Dr. Diane Klein-Ritter, MD

Dr. Diane Klein-Ritter, MD

Internal Medicine*
30+ years of experience

Dr. Diane Klein-Ritter, MD is an internist in East Setauket, NY and has over 30 years of experience in the medical field. She graduated from New York University in 1991. She is affiliated with medical facilities Stony Brook University Hospital and Mather Hospital. She is accepting new patients and telehealth appointments.

4 Star Rating
Based on 5 reviews 4 Star Rating (5 reviews)

Practice

205 N Belle Mead Ave East Setauket, NY 11733
Telehealth available

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Dr. Klein-Ritter's Reviews

Likelihood to recommend Dr. Klein-Ritter

4.0
5 ratings
5 star
60%
60%
4 star
20%
20%
3 star
0%
0%
2 star
0%
0%
1 star
20%
20%

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About Me

biography

Dr. Diane Klein-Ritter, MD is an internist in East Setauket, NY and has over 30 years of experience in the medical field. She graduated from New York University in 1991. She is affiliated with medical facilities Stony Brook University Hospital and Mather Hospital. She is accepting new patients and telehealth appointments.
  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • New York University

    Medical School, 1991
American Board of Medical Specialties®
American Board of Internal Medicine®
Internal Medicine
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

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Locations

Practice

Stony Brook Internists Ufpc205 N Belle Mead Ave East Setauket, NY 11733
1

Practice

Pediatric Infectious Diseases Lake Grove4 Smith Haven Mall Lake Grove, NY 11755
2

Affiliated Hospitals

  • Mather Hospital

    75 N Country Rd
    Port Jefferson, NY 11777
    Recipient of 22
    hospital awards

    America's 250 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    Outstanding Patient Experience Award™ (2024, 2023, 2022)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    90%
    Patients said they were given information about recovering at home

    6% higher than the national average

    85%
    Patients said that nurses always listened to them and explained things well

    10% higher than the national average

    View all patient feedback
  • Stony Brook University Hospital

    101 Nicolls Rd
    Stony Brook, NY 11794
    Recipient of 33
    hospital awards

    America's 100 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    America's 250 Best Hospitals Award™ (2025, 2024, 2023)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    74%
    Patients said that doctors always listened to them and explained things well

    2% lower than the national average

    View all patient feedback
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