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RMA of New York – Long Island: Stony Brook

Long Island Fertility Clinic

2500 Nesconset Highway (Rte 347)
Building 19A
Stony Brook, NY 11790

Directions

Phone: 631-331-7575
Fax: 631-331-1332

Make an Appointment

Trusted, Convenient Fertility Care in Stony Brook, NY

Welcome to RMA of New York – Long Island: Stony Brook, a trusted fertility clinic in Suffolk County providing advanced fertility and reproductive care with individualized attention in a supportive, patient-centered environment. 

Our world-renowned fertility experts offer comprehensive fertility evaluation, conception and preservation treatments, and LGBTQIA+ family-building services. Every patient is supported by a dedicated care team that works collaboratively to develop a personalized treatment plan and provide guidance at every step of the fertility and family-building journey. 

During fertility treatment, patients typically visit the clinic frequently for ultrasounds, blood work, and cycle monitoring—often daily or multiple times per week. By receiving care at our Stony Brook fertility clinic, patients throughout Suffolk County can access advanced protocols, technology, and clinical expertise without traveling to Manhattan, a commute that can exceed three hours round trip for those living in Stony Brook and surrounding communities.

We also operate a state-of-the-art fertility center and full-service embryology laboratory in Melville, NY, located less than 20 miles away from our Stony Brook office, where patients can undergo their egg retrieval and embryo transfer procedures. Local access allows our patients to focus on treatment, not travel, while benefiting from nationally recognized fertility care close to home.

Location and Accessibility

Our Stony Brook fertility clinic is conveniently located for patients throughout North Shore and central Suffolk County, with easy access via major roadways including Route 25A, Nicolls Road (CR 97), and nearby Long Island Expressway connections. 

Patients from Stony Brook, Setauket, Port Jefferson, Lake Grove, Smithtown, Centereach, Selden, and surrounding Suffolk County communities choose our Stony Brook location for high-quality fertility care close to home.

Stony Brook Team

  • Daniel Kenigsberg, MD

    Daniel Kenigsberg, MD

    Reproductive Endocrinologist

Your team will include your fertility physician, nurse, an IVF coordinator, a financial counselor, and wellness team.

RMA of New York – Long Island Awards

Full-Service Fertility Treatment Options in East Patchogue

  • Fertility Evaluation

    Fertility Evaluation

    A fertility evaluation with a reproductive endocrinologist is the first step in understanding your reproductive health. During this visit, your physician will review your medical history, discuss your family-building goals, and recommend appropriate fertility testing. 

    Learn More
  • Conception

    Conception

    When pregnancy is the goal, treatment options may include Intrauterine Insemination (IUI), In Vitro Fertilization (IVF), Preimplantation Genetic Testing (PGT), egg donation, and gestational surrogacy.

    Learn More
  • Fertility Preservation

    Fertility Preservation

    Fertility preservation allows eggs, sperm, and embryos to be frozen for future use. This option may be chosen electively or for medical reasons, such as before cancer treatment (oncofertility).

    Learn More
  • LGBTQIA+

    LGBTQIA+

    With many paths to parenthood, options such as donor insemination, gestational surrogacy, and Co-IVF (Reciprocal IVF) may be part of your plan. Your care team will help determine the best approach for your goals.

    Learn More

Treatment options available
 through our Stony Brook fertility clinic include:

  • Patient Testimonials

    Everything changed when we went to RMA of New York – Long Island. It was the best decision we could have ever made. Dr. McAvey was caring and understanding of our situation…the material provided by RMA of New York – Long Island on loans, treatment, medication packages was exceptional. We felt well prepared and at ease going into the procedure. I cannot thank RMA of New York - Long Island and all the staff there enough for how welcoming and friendly they were.

    — Anonymous

  • Patient Testimonials

    I cannot say enough good things. The practice is such a well-oiled machine. Everyone is polite, always smiling, and more than willing to help. I never once felt rushed or that I was not a priority as a patient.

    — Anonymous

  • Patient Testimonials

    The staff is amazing. Very helpful and kind. The office is run very well and I’m never left waiting and any time I have called with a question I always get a quick response.

    — Anonymous
01/03

  • For our Stony Brook patients, egg retrieval and embryo transfer procedures are performed in our full-service, state-of-the-art IVF laboratory in Melville, located about 20 miles away. Patients can complete their entire fertility cycle without having to travel to Manhattan or enter a hospital setting.

  • RMA of New York – Long Island is one of the highest-rated fertility and reproductive health clinics on Long Island. In fact, we were named “Best In Vitro Fertility Practice on Long Island” by Best of Long Island several years in a row. We’ve been trusted by the community for more than 35 years, and our physicians are consistently recognized by Castle Connolly and Super Doctors.

  • RMA of New York – Long Island provides thorough diagnostic testing for male factor infertility, which is the sole or contributing factor for approximately 40% of couples experiencing infertility. The first test for diagnosing male infertility is typically a semen analysis. Evaluation will also include a medical history, physical exam, and blood work. Comprehensive treatment for male factor infertility is available at our in-house laboratory in Melville, NY.

  • Fertility preservation treatments are often recommended for those who aren’t ready to start their family now but have age-related concerns, or it may be recommended for medical reasons. Schedule a consultation with one of our reproductive endocrinologists to learn more about fertility preservation options and treatment, and to discuss whether it’s right for you.

    Fertility preservation options include egg freezing, sperm banking, embryo freezing, and oncofertility services. Our embryology team uses advanced cryopreservation techniques to help patients preserve future fertility.

  • Many New York State insurance plans include mandated fertility coverage. Our financial counselors help patients understand benefits, obtain authorizations, and explore payment options when needed. Learn more here.

  • We provide inclusive, affirming care for LGBTQIA+ individuals and couples, offering IUI, IVF, Reciprocal IVF, donor services, gestational surrogacy, and fertility preservation tailored to each patient’s needs.

    For more information on family-building options for the LGBTQIA+ community on Long Island, please read our blog post.

  • We serve individuals and couples across a wide range of family-building needs, including:

    • Infertility and secondary infertility
    • Fertility preservation (egg freezing, sperm freezing, embryo freezing, oncofertility)
    • Donor conception (sperm and egg donor conception)
    • Gestational surrogacy/carrier
    • LGBTQIA+ individuals and couples
    • Single intended parents