Drs. Heinsohn, Donowitz, Rybolt and Nguyen

Accepting New Patients

CHI Memorial Plaza
605 Glenwood Drive, Suite 404
Chattanooga, TN 37404
(423) 629-7220

Office Hours:
Monday - Friday, 8 a.m. - 5 p.m.

CHI Memorial Plaza

Mark Heinsohn, MD, Arlene Donowitz, MD, Ann Rybolt, MD, and Kim Nguyen, MD, are primary care physicians and welcome new patients. Our practice is open Monday - Friday, 8 a.m. - 5p.m.  To schedule an appointment with one of our medical professionals, call (423) 629-7220.

Online Check In


Did you know that our practice allows you to check in online ahead of time? You can confirm your appointment via text message or email, and check in online prior to your visit. You can also check in on your own device when you arrive. Ask us about using mobile registration to make your next visit simpler and faster!

We are partnering with Phreesia to help you save time registering for your appointment. Use mobile check-in to register from any smartphone, tablet or computer from the privacy of your own home. Checking in on your device saves you time and ensures your information is always up to date!

Our Team


Dr. Arlene Donowitz
Arlene Donowitz, MD

Internal Medicine Specialist

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Dr. Mark Heinsohn
Mark Heinsohn, MD

Internal Medicine Specialist

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Dr. Kim Nguyen
Kim Nguyen, MD

Internal Medicine Specialist

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Dr. Ann Rybolt
Ann Rybolt, MD

Geriatric and Internal Medicine Specialist

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CHI Memorial Plaza

Drs. Heinsohn, Donowitz, Rybolt and Nguyen

CHI Memorial Plaza
605 Glenwood Drive, Suite 404
Chattanooga, TN 37404
(423) 629-7220

Office Hours:
Monday - Friday, 8 a.m. - 5 p.m.

Office Location