Philadelphia Nutritional Consulting with Jennifer Weis, Registered Dietitian. Jennifer will bring nutritional counseling to you in your home or office! Or if you prefer you can come in to her office. Health insurances are accepted. The founder, Jennifer Weis, RD, LDN, steers clients and patients toward healthful eating to prevent the diseases and complications she routinely saw in the hospital, where it was sometimes too late to instill real change.