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Seth Lessner, MD

Seth Lessner, MD

Specialty

Clinical Cardiac Electrophysiology

Languages

English

Seeing patients at

Monday 7:00 AM - 7:15 PM
Tuesday 7:00 AM - 7:15 PM
Wednesday 7:00 AM - 7:15 PM
Thursday 7:00 AM - 7:15 PM
Friday 7:00 AM - 7:00 PM
Sunday Closed
Please contact the clinic directly to schedule and confirm appointment availability.
Monday 7:30 AM - 6:00 PM
Tuesday 7:30 AM - 6:00 PM
Wednesday 7:30 AM - 6:00 PM
Thursday 7:30 AM - 6:00 PM
Friday 7:30 AM - 6:00 PM
Sunday Closed
Please contact the clinic directly to schedule and confirm appointment availability.

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.9

53 reviews

  • Mar 27, 2026
    Verified Review

    Dr. Lessner is a very skilled cardiologist and a very compassionate doctor. He also gives you the straight truth and doesn’t hold back.

  • Mar 19, 2026
    Verified Review

    The level of care and compassion each time I saw him.

  • Mar 18, 2026
    Verified Review

    Excellent dr

  • Mar 17, 2026
    Verified Review

    I never give highest rating for anything.

  • Mar 13, 2026
    Verified Review

    Dr. Lessner is a good doctor, friendly, answers your questions.

  • Feb 26, 2026
    Verified Review

    nice person good bedside manners

  • Feb 24, 2026
    Verified Review

    Knows what he is doing.

  • Feb 18, 2026
    Verified Review

    has issues keeping his bedside manner. I hope karma catches up to him

  • Feb 11, 2026
    Verified Review

    He is a caring and competent physician

  • Feb 7, 2026
    Verified Review

    As stated previously, Dr Seth Lessner is a very knowledgeable, highly skilled and personable physician. He has helped me tremendously. He is always on time for appointments and addresses any and all of my concerns. I feel very fortunate to be under Dr. Lessner's care.

  • Feb 5, 2026
    Verified Review

    Keeps me informed of my condition and answers my many questions.

  • Feb 4, 2026
    Verified Review

    An experienced doctor and a very nice person.

  • Jan 30, 2026
    Verified Review

    He seems to do a good job. He understands his business and he communicates well with the patient

  • Jan 29, 2026
    Verified Review

    He is engaging, attentive and keeps me focused as well as at ease at the same time.

  • Jan 26, 2026
    Verified Review

    I find him to be an excellent Doctor

  • Jan 22, 2026
    Verified Review

    He’s the BEST! :)

  • Jan 22, 2026
    Verified Review

    I was very impressed by how well he responded and how he performed.

  • Jan 21, 2026
    Verified Review

    Very pleasant and good at explaining issues

  • Jan 20, 2026
    Verified Review

    He was respectful and listened to my needs

  • Jan 19, 2026
    Verified Review

    Wonderful Doctor, very kind and and is a wonderful person and Doctor

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  • About Seth Lessner, MD

    Dr. Seth Lessner is an internist caring for adult patients. He provides preventive care and treatment for common medical conditions.

    Philosophy of care

    Dr. Lessner values continuity of care and shared decision making.

    Gender

    Male

    Licenses

    NY, 256917

    Network Name

    Crystal Run Healthcare

    NPI

    1972761591

  • Insurance accepted

    This may not reflect all insurance accepted by the provider and is for informational purposes only.

    • AARP
    • Aetna
    • Anthem/BCBS
    • CDPHP
    • Cigna
    • Emblem
    • FDNY/WTC911
    • HealthFirst
    • Humana
    • MVP
    • Magnacare
    • MedicaidNY/Medicare
    • Molina
    • Multiplan
    • NYSHIP
    • Northwell
    • Oscar
    • Oxford
    • Tricare
    • UHC
    • Univera
    • VA/CHAMPVA
  • Awards and Publications