New in January 2016:   Pre-Diabetes and Diabetes Classes.   Beginning January 7th, RIMG will be offering classes every Thursday afternoon from 1:30 - 3:00 pm for those interested in preventing diabetes and managing diabetes.   The classes will be taught by Susan Pappas, a Nurse Practitioner, Certified Diabetes Educator and is Board Certified in Advanced Diabetes Management.  Each class topic and schedule can be reviewed in the "Services/Facilities" section of this website.

NEW PHYSICAL MEDICINE/PAIN MANAGEMENT SPECIALIST: Rockville Internal Medicine Group is pleased to announce the addition of Dr. Nicholette Martin, a Board Certified Physical Medicine/Rehabilitation specialist. Dr Martin specializes in the treatment of musculoskeletal and spinal disorders. Her emphasis is on injection therapy for the spine(facets/rhyzotomy/sacro-iliac, epidurals) and joints as well as Platelet Rich Plasma (PRP) procedures. Dr. Martin will be joining us on January 4, 2016. Contact the call center at 301-762-5020 Option #2 to schedule an appointment.


Same Day Sick Appointments

Rockville Internal Medicine Group has same day sick appointments available with a nurse practitioner Monday - Friday.   Beginning Monday, 2/8/2016, we have extended hour appointments available until 6:30 pm on Monday, Tuesday and Thursday.  Call 301-762-5020 and press option 7 before 4:00 pm to speak with a medical scheduler. If you are prompted to leave a message, please leave your name, date of birth, reason for the sick visit and your call will be returned within 30 minutes. Please note there are no ancillary services (lab, x-ray, dexa scan) available for extended same day sick appointments. If you are experiencing a medical emergency, call 911.

Our Specialties

We are dedicated to your overall good health. In addition to providing primary care we have a special focus on Pulmonology, Rheumatology, Gastroenterology, Sleep Medicine, Endocrinology, Dermatology and Healthy Living.


Practice News

The 2015 holiday season:

Rockville Internal Medicine Group continues its tradition of donating to the following charities in lieu of gifts for the many providers who trust and refer their patients to us for care:

  • St Jude’s Research Hospital
  • The Children’s Inn at NIH
  • Manna Food Center
  • Gondar Development & Cooperation Organization







Premier Sleep Center and Dr Mekonnen have contributed to the Ethiopian Students Scholarship Fund.


2015 Washingtonian Top Doctors

Congratulations to the following doctors:

  • Ira Berger
  • Sara Brooks
  • Kelly Cowen
  • Terri Esterowitz
  • Patricia Kellogg
  • Shishir Khetan
  • Le Le Luu
  • Alan Pollack
  • Lawrence Schainker
  • Monika Schlamminger
  • William Steinberg
  • S. Grace Woo