Breadcrumb Home About Us Our Staff Our Staff Healthcare Providers Samantha Bemrich, PA-C Title/Position Physician Assistant Rebecca Chackalackal, MD Title/Position Medical Director Keith Guess, PA-C Title/Position Physician Assistant Jennifer Johnson, MD, PhD Title/Position Physician Erin Martin, DO Title/Position Psychiatrist Jeniece Nott, MD, PhD Title/Position Psychiatrist Mayumi Oakland, PA-C Title/Position Physician Assistant Barbara Patrick, MD Title/Position Gynecologist Heidi Ruhland, PA-C Title/Position Physician Assistant Marina Usacheva, MD Title/Position Physician Kathleen Wittich, MD Title/Position Physician Thomas Woodward, MD Title/Position Physician
