7:30am – 5:00pm

7:30am – 5:00pm

7:30am – 5:00pm

7:30am – 4:00pm

7:30am – 3:00pm










New Patient?

Office Hours:


for adults

COVID-19 Alert: The office remains open and we are seeing patients in the office and also offering telemedicine visits. 

Please speak to the receptionist if you would like to change your appointment to a telemed visit. 

If you have been exposed to a COVID-19 patient or have a temperature over 100, cough or SOB, you must change to a telemedicine visit or reschedule your appt to 2 weeks from now.

TeleMedicine: Connect from your smartphone or a PC mic right from your browser. No apps or accounts to create! Please call the office if you would like to change your appointment to a telemedicine visit.

TeleMedicine Logon Info:

At the time of your appointment, click on your provider's link below. Please make sure you have a scheduled appointment by calling the office.

Dr. Khan  (telemed)

Dr. Repaka  (telemed)

Helen Chemere, PA-C  (telemed)

If using a PC, connect a few minutes early and click on "pre-call test" to make sure everything is working. You will need to give permission to your browser to allow access to the camera and mic when you first connect (click on the pop up blocker next to the address bar). If the camera or mic is not working, make sure under "Windows settings/privacy" you have given apps permission to use the camera and mic. 

View a short 1 minute intro video on how to connect from a PC here:

Latest News:

How COVID-19 Impacts People with Diabetes

In the case of inclement weather, please call our office prior to leaving for your appointment to determine if our office is open.  


Our office is closed on the following dates in observance of the holidays:

  • New Year's Day

  • Memorial Day

  • Independence Day

  • Labor Day

  • Thanksgiving Day

  • Thanksgiving Friday 

  • Christmas

Our Services:

  • General Endocrinology

  • Diabetes treatment

  • Thyroid disorders

  • Thyroid cancer treatment

  • Thyroid FNA Biopsy - In Office

  • Thyroid ultrasound

  • Osteoporosis 

  • Polycystic Ovarian Syndrome

  • Men's health

  • Adrenal and Pituitary disorder

Greenway Endocrinology, PA

7501 Greenway Center Drive

Suite 730

Greenbelt, MD 20770

For Life-Threatening Emergencies Call 911
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© 2019 by Greenway Endocrinology, PA