MedStar Greater Annapolis Medical Group

ALERT: MedStar Health continues to actively monitor the rapidly evolving status of the 2019 Novel Coronavirus, also known as COVID-19. The safety of our patients and the community is our highest priority, and we share the following frequently asked questions to help you better understand COVID-19.
Click here to learn more.

Internal Medicine

Call: 410-573-1110

Call Us: See if a video visit is right for you.

You can have an appointment with your provider without leaving your home—you just need a smartphone, tablet, or computer. Call us to schedule your video visit appointment.

2003 Medical Pkwy., Ste. 100
Annapolis, MD 21401

Hours of Operation:

Monday through Friday: 8 a.m. to 5 p.m.


We provide convenient and comprehensive primary care services with physicians who specialize in internal medicine, treating patients ages 18 and older. Our goal is to build and maintain a long-term relationship with our patients in order to remain proactive and focus on preventive care.

Building this relationship plays an essential role in your overall well-being. Our doctors can help you establish your baseline of health and note any changes, keep you up to date on vaccines, conduct routine health screenings and checkups, and help you manage a chronic condition or disease.

And by selecting a MedStar Medical Group physician, you gain access to the entire MedStar Health system, including 10 hospitals, hundreds of sites of service, thousands of specialists and other clinicians, the most advanced medical technologies, innovative treatments, the latest research, clinical trials, home care services, and much more.

Meet the Team


Lisa DiMarzio, MD, Internal Medicine

Lisa DiMarzio, MD
Internal Medicine

Owen Glister, MD, Internal Medicine

Owen L. Glister, MD
Internal Medicine


Andrew Gordon, MD, Internal Medicine

Andrew Gordon, MD
Internal Medicine


Kevin O'Keefe, MD, Internal Medicine

Kevin O’Keefe, MD
Internal Medicine

Robert Miller, MD, Internal Medicine

Robert Miller, MD
Internal Medicine

Omega Pindell, PA-C, Internal Medicine

Omega Marlene Pindell, PA-C
Internal Medicine


Sharon-Marie Smith, DNP, Internal Medicine

Sharon-Marie Smith, DNP
Internal Medicine

Need urgent care?

We bring together top providers at community-based locations.

Need care after hours?

We offer virtual access to medical providers from your home.

Looking for specialty care?

We bring together the top specialists in your community.

Insurance plans we accept

MedStar Medical Group accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Medical Group, please call your insurance company.

Click here for a list of accepted insurance plans.

Services we offer include:

  • Annual physicals and sports physicals
  • Chronic disease screening and management
  • Flu care and flu vaccine
  • Geriatrics
  • Laboratory testing and blood tests
  • Pediatric Care
  • Preoperative consultations
  • Vaccines and immunizations
  • Weight loss assistance


Patient-Centered Medical Home™ is a trademark of the National Committee for Quality Assurance.

MedStar Greater Annapolis Medical Group has been awarded Patient-Centered Medical Home™ recognition by the National Committee for Quality Assurance (NCQA). The NCQA Patient-Centered Medical Home standards emphasize the use of systematic, patient-centered, coordinated care that supports access, communication, and patient involvement.

Directions and Parking


Garage with free parking available for our patients.