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Our Family of Beautiful Smiles


Daniel Island: 899 Island Park Drive, Suite #103 | 843-278-1902 | Directions

Summerville: 602 Nexton Square Drive | 843-594-0594 | Directions



Dr. Michael R. Zetz, Jr. was born in Columbus, Ohio. He received his MS in Orthodontics and an Orthodontic Certificate from St. Louis University, a Hospital Dentistry Certificate from Ohio State University, a DMD from the Medical University of South Carolina, and a BS from Wofford College.

  • Lisa Employee Photo

    Lisa Thornburg


    Lisa is our Patient Coordinator and marketing director. She has over 20 years of experience in orthodontics. Originally from Alabama, Lisa relocated from Charlotte, NC to the Lowcountry to be near the beach. She enjoys spending time kayaking, watching football, and spending time with family, friends, and her Yorkie, Zelda.

  • Addie Phlegar Employee Photo

    Addie Phlegar


    Addie is an orthodontic assistant and treatment coordinator. Originally from Louisiana, she has made the Lowcountry her home. Addie enjoys spending time with her 3 boys Tyler, Connor, and Evan. Boating is her favorite pastime.

  • Margaret Wilcox Employee Photo

    Margaret Wilcox


    Margaret is our Financial manager. She is a proud Lowcountry native. Margaret spends her time with her husband John, and 3 children, and 4 beautiful grandchildren.

    She and her husband both excellent cooks. They have won several food competitions.

  • Blakeley Reynolds Employee Photo

    Blakeley Reynolds


    Blakeley is a clinical assistant and lab technician. She has been with our office for over five years.

    Blakeley grew up here in Charleston. She loves spending time outdoors with family, friends, and her boxer, Lizzy.

  • Tammy Gianelli Employee Photo

    Tammy Gianelli


    Tammy is our clinical manager and coordinator. She has over 31 years of experience as an orthodontic assistant. Tammy is a Charleston native.

    When she is not taking excellent care of our patients, she is enjoying kayaking, hunting, fishing, and finding fossils.

  • Jennifer Employee Photo



    Jennifer is an orthodontic assistant and has been in the orthodontic field for over 12 years. Originally from Pennslyvania, she is happy to call Charleston her home.

    Jennifer stays very busy with her 4 boys and her very active Goldendoodle, Gunner. Jennifer enjoys staying fit and being outdoors.

  • Nitasha Employee Photo



    Nitasha is our Insurance specialist. She has over 5 years experience in the dental field. Nitasha is originally from Missouri and has lived in the Lowcountry for many years. She loves spending time with her husband and 3 boys Landon, Luke, and Dustin. You can usually find them on the boat or in a Nerf gun fight.

"Our goal at Crescent Moon is to exceed your expectations every single day."

-The Crescent Moon Team