Meet Our Providers

Choose Your Physician

Contact Us

Send A Message To Ninth Avenue Internal Medicine

If you have any questions, concerns, or comments regarding Ninth Avenue Internal Medicine, please fill out the short contact form below.


Words from our patients

  • Google

    "Good, clean office, with friendly and caring staff. Have been to both doctors, Dr. Witten and Dr. Borisov are both very educated and caring."

    Verified Patient
  • Google

    "It's been over 10 years both me and my wife have been seeing Dr Witten. [...]been there for many ups and downs and we recommend them to anyone."

    John W.
  • Google

    "I would highly recommend this office for any and all internal medicine needs. They are efficient, professional and manage to have a great sense of humor."

    Scott M.
  • Yelp

    "I see Dr. Witten, and he is my favorite doctor ever. I feel so comfortable when I'm talking with him, and I can be honest and know he's not judging me."

    Angela A.
  • Yelp

    "As much as I don't like being sick, these guys were awesome and made me feel a lot better. I switched from my old doctor to them that week."

    R. A.