Our business hours are hours by appointment. More about us: suffolk ob/gyn, group, p.c., robert n. van son, md, facog, lawrence a. horn, md, facog, mitchell s. kramer, md, facog, marc s. greenstein, d.o., facog, karen gronau, md, we offer a complete range, of comprehensive ob/gyn services, 202 e. main st., 368-2616, 351 larkfield rd and e north port. Our products and services include bone density testing, comprehensive gynecologic care, laparoscopic hysterectomy, major gynecologic surgery for fibroids, ovarian cysts, endometriosis dropped bladder and gynecologic cancer, management of osteopenia and osteoporosis, menopausal, menopausal therapy, minimally invasive gynecologic surgery, routine and high risk pregnancy care and urinary incontinence and overactive bladder treatment ffl- 1. Accepted forms of payment are most insurance plans accepted eve. & sat. hrs. We prefer to use these brands: sentinel breast scanning.