Charter Internal Medicine, LLC. has affiliated with Johns Hopkins Medicine as a way of reaffirming its commitment to community health and melding the complementary strengths of both organizations.

The doctors and staff of Charter Internal Medicine, LLC. are active in a wide variety of professional associations. These organizations provide continuing education, access to the latest in medical innovations and a means of exchanging ideas. The following list does not, however, constitute an endorsement by these associations. Learn more...

The Charter Internal Medicine, LLC team is dedicated to providing the highest standard of medical care within a respectful caring atmosphere. We are committed to providing prompt professional access to each and every patient.

Harry Oken and Jerry Seals are longtime doctors in Howard County who have been in practice together since 1990. Dr. Seals retired in 2006.

Dr. Jonathan Fish is board certified in Internal medicine and joined in 1997; Dr. Kevin Carlson is board certified in Internal medicine and joined in 1998; and Dr. Randal Riesett is board certified in Internal medicine and joined in 2004. Dr. Michael C. Albert is board certified in Internal Medicine and joined in 2007.

We are located in Columbia, Maryland at 10700 Charter Drive, Suite 200. Hours of operation are Monday - Friday, 9:00 am - 4:00 pm.

Meet our doctors. Click here.