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David F. Davis, M.D.

  • Verified Patient

    I AM HERE BECAUSE I FOUND DR DAVIS!!!
  • Verified Patient

    I have used Dr Davis for years and highly recommend him. He NEVER rushes me out of his office.
  • Verified Patient

    Dr. Davis gives it to you straight and answers all your questions. He's caring and takes care of you. I reccommend him to everyone.
  • Verified Patient

    I found Dr Davis to be very professional and ethical and caring. His expertise was remarkable and accurate. I would definitely choose him again if in that area and had the need.
  • Barbara L

    Spends time listening to what you have to say. I never feel like I am being rushed. Everyone is so helpful.

Nikhil Joshi, M.D.

Thomas W Dobner

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    I cannot say enough positive things about Nikhil Joshi, MD, and I am deeply grateful for the care he provided.

    Dr. Joshi quite literally saved my life.
    When I came to him with persistent chest pain, he refused to dismiss my symptoms or settle for surface-level answers.
    He exhausted every appropriate test and avenue of investigation until the true cause of my condition was identified. That determination and insistence on finding the real problem made all the difference and ultimately led to life-saving treatment.
    What truly sets Dr. Joshi apart is his exceptional commitment to his patients.
    After my open-heart surgery, even though he was not involved in the surgery, he was the first physician to visit me late at night—simply to ensure I was doing well.
    That level of compassion and personal responsibility is incredibly rare in modern medicine.
    At every follow-up appointment, I experienced the same thing: a physician who listens patiently, takes time to explain, and genuinely cares about delivering the best possible treatment.
    In a healthcare system where many doctors feel rushed and impersonal, Dr. Joshi stands out as someone who prioritizes understanding the patient, not just treating a chart.
    I want to emphasize again how thankful I am. His persistence, attentiveness, and refusal to overlook my symptoms directly saved my life.
    I trust him completely and would recommend Dr. Joshi to anyone seeking not only an outstanding cardiologist, but a truly dedicated and compassionate physician.

    Thank you, Dr. Joshi.

Tariq M. Yousuf, M.D.

  • Anonymous

    I couldn’t ask for a cardiologist that is as professional and helpful as Dr. Yousuf. I had blockages in both legs, very little blood flow, and he was able to get them opened up and I can walk with no tiredness or weakness in legs! I recommend to everyone who wants a GREAT! Cardiologist!!
  • Gloria White

    Dr. Yousuf is wonderful – Fantastic Cardiologist. Referred other family members and friends to him. He has done a stent in my heart with great results. On a scale of 1-10, 10 being the best, Dr. Yousuf is a 12+. Wonderful personality – Great bedside manner. Cute!! Sorry married.

    G...
  • Jimmy Daniel

    My husband was in A-fib two weeks ago came into see Dr. Yousuf and new meds were started that got him out of A-fib, therefore he did not have to shock his heart. He is amazing!
  • Charles Ollinger

    I cannot say enough good things about Dr. Yousuf. He throughly explains what is going on with your situation and really has caring attributes. He is integral in diagnosing a serious condition that will SAVE MY LIFE!!
    kudos to him and staff.
    Thanks
    Charles Ollinger
  • Josh C

    Virtual visit, very nice and took time to know what my ailments were. Very pleasant and professional.

Contact

Signet Heart Group
2800 North Highway 75
Sherman, Texas 75090

Directions

Tel: | Fax:

Practice Hours: M-F 8am – 5pm

  • American Board of Internal Medicine
  • National Board of Echocardiography
  • Certification Board of Nuclear Cardiology
  • American Board of Vascular Medicine