MedStar Medical Group at White Plains


Family Medicine | Pediatrics

Care you can trust.

Don't delay medical care. We are open for in-person office visits and video visits. Call us to schedule your appointment today.

Call: 301-932-5299

4225 Altamont Place, Ste. 102
White Plains, MD 20695

Hours of Operation:

Monday through Friday 7:30 a.m. to 4 p.m.

Phone Hours:

Monday through Friday: 7:30 a.m. to 4 p.m.


Care you can trust

Your health and safety are always our top priority. Here's what you can expect from an in-office visit:

  • Face masks required for everyone, regardless of symptoms
  • Frequent disinfecting and cleaning of public spaces and exam rooms, including after every clinical visit
  • Staggered appointments to minimize people in a given area
  • Screening all patients and visitors for symptoms upon arrival
  • Physical distancing with floor markers and reconfigured waiting areas
  • Sanitizing stations throughout the facility

We provide comprehensive, conveniently located primary care in Charles County, so you can access care when and where you need it. Our team of physicians and nurse practitioners specialize in pediatric care and family medicine, caring for patients of all ages.

Our experience in treating patients of all ages allows us to help your entire family stay healthy at every stage of life. We are experts in recognizing and treating illness, and we work with you to establish personalized plans based on your best treatment options. We know you are our best partner in achieving good health, so we believe it’s important to clearly explain your condition and treatment in language that you can easily understand.

Meet the Team


Pedro Sarmiento, MD, pediatrics

Pedro Sarmiento, Jr. MD

Heather Walker, MD, family medicine

Heather Walker, MD
Family Medicine


Shaunna Dolby, CRNP, internal medicine

Shaunna Dolby, CRNP
Family Medicine

Jacquette George, CRNP, family medicine

Jacquetta George, CRNP
Family 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 Medical Group at White Plains 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


Parking lot available on site