Marshel Singleton, C-FNP

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Accepting new patients.


  • Amityville

    805 Broadway Suite 106 Amityville, NY 11701

    Main: 631-608-1542
    Fax: 631-608-1544
  • Brentwood - Suffolk Ave

    601 Suffolk Avenue Brentwood, NY 11717

    Main: 631-231-4455
    Fax: 631-231-2918
  • Hauppauge

    110 Marcus Blvd Suite 400 Hauppauge, NY 11788

    Main: 631-612-2770
    Fax: 631-778-6021
  • Port Jefferson

    1500 Route 112 Building 6 Port Jefferson Station, NY 11776

    Main: 631-331-1414
    Fax: 631-331-1497
  • Sayville

    153 Main Street Sayville, NY 11782

    Main: 631-563-2206
    Fax: 631-563-2204





Year began practicing: 2014

Year joined staff: 2020


Stony Brook University, Bachelor of Science in Nursing Stony Brook University, Master of Science in Nursing

Professional Memberships

  • American Society of Ophthalmic Registered Nurses
  • American Association of Nurse Practitioners


Marshel Singleton is a board certified family nurse practitioner providing personalized eye care to the Sayville community. Marshel worked alongside the cataract, glaucoma, oculoplastics, and retina surgeons at our Long Island Ambulatory Surgery Center. She worked closely with surgeons implanting specialty lenses, prepared patients for surgery and monitored their status throughout surgery.