Primary Care Associates - Atrium

Accepting New Patients

1949 Gunbarrel Road
Suite 202, Building 1
Chattanooga, TN 37421
(423) 648-8110

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

CHI Memorial - Atrium

CHI Memorial Primary Care Associates - Atrium specializes in primary care, primary care procedures, diabetic care, health promotion, disease prevention, diagnosing and treating chronic and acute illness and wellness maintenance. Dr. David Ambrosetti, Dr. Stephanie Hinds, Dr. David Winters, Charity Clayton, FNP-C,  Sandra Huggins, FNP-BC, and Megan vonWerssowetz, FNP-C, welcome new patients. 

Our practice is open Monday - Friday, 8 a.m. - 5 p.m. To schedule an appointment, call (423) 648-8110

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. David Ambrosetti
David Ambrosetti, DO

Internal Medicine Specialist

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Dr. Stephanie Hinds
Stephanie Hinds, MD

Internal Medicine Specialist

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Dr. David Winters
David Winters, DO

Family Medicine Specialist

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Charity Clayton
Charity Clayton, MSN, FNP-C

Family Nurse Practitioner 

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Sandra Huggins
Sandra Huggins, MSN, FNP-BC

Family Nurse Practitioner

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Megan vonWerssowetz
Megan vonWerssowetz, FNP-C

Family Medicine Specialist    

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Patient Forms


It’s important to be active in your medical care, therefore we encourage you to talk openly with our health care professionals. If you receive are outside of the practice or notice a change in your health please let us know so we can work together to improve your medical outcomes.

Patient Portal


We care about our patients. Our goal is to provide you and your family with the best experience possible when interacting with our practice. We understand that it is not always possible to visit the clinic, leave message, wait on the phone, or update your personal health information. By offering online access to your health information we look forward to simplifying your healthcare experience.

My OneCare/Follow My Health is a secure, online tool that connects you directly to your personal medical record. My OneCare will enable you to:

  • Update personal information
  • Request or change appointments
  • Ask clinical questions
  • View medication and allergy lists
  • Request a prescription refill or change a pharmacy
  • View lab results, tests, clinic visits

During your clinic visit you will be asked to provide an email address. You will be emailed a My OneCare invitation which includes instructions on how to register. Communications will come from the following: noreply@followmyhealth.com. If you do not receive an invitation check your spam folder. The invitation expires after 60 days.  

  1. Click the registration link in the email you receive from noreply@followmyhealth.com 
  2. Create your portal login using a unique username and password.
  3. Enter the invitation code provided by your medical organization and click "Agree" to the release of information.

If you already have a portal account, you can add our office to your existing account.  Please call (888) 670-9775 if you have any questions.

The patient portal invitation you receive after visiting one of our facilities will never expire. Once you sign up, the portal will be available to you 24/7.

You can also use another application to access your health information, if you prefer. To do so, you will need to first set up a portal account with My OneCare. The username and password you choose will be the security component for your health information and make it possible for you to access and import it.

Currently available for use with My OneCare:

  • The My Links app, available at mylinks.com.

Please note: Catholic Health Initiatives (CHI) reserves the right to disable a third-party application, if needed. That application’s terms of use will apply and CHI will not have the control or ability to secure the data you place within that system.

CHI Memorial Atrium Building 1 entrance

CHI Memorial Primary Care Associates Atrium

1949 Gunbarrel Road
Suite 202, Building 1
Chattanooga, TN 37421
(423) 648-8110

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

Office Location