Marc G. Nuger DDS / Ben A. Sircus DDS
Ghassan Sinada DDS / Christine Hoang DDS
Columbia/ Ellicott City - (410) 772-5453
Glen Burnie - (410) 766-4650
8900 Columbia 100 Pkwy, Columbia, MD 21045
7836 Oakwood Rd Ste B, Glen Burnie, MD 21061


Our talented and friendly staff of professionals take pride in caring for your gums and teeth by offering only the finest in oral health care. Our entire team has a commitment to high standards of quality and integrity. We go the extra mile to make you feel comfortable, welcome and informed.

Our practice accepts only the most highly trained and experienced individuals to join our team.   You can be confident knowing our entire staff including hygienists and dental assistants have passed rigorous certification requirements and are proficient in the most current dental procedures.  Our office requires each team member to be participate regularly in ongoing education earning credits each year to ensure they are up to date on current dental procedures. This is part of our commitment to provide the best care to our patients.

Office Manager

Cheryl Salsibury

Cheryl has been working in our dental practice for over 19 years and has over 20 years of experience in the dental profession She is x-ray certified and a licensed qualified dental assistant. For the last 10 years she has been our Office Manager in charge of the day to day operations of the practice.

Cheryl is responsible for all our staff positions, hiring new staff, and day to day scheduling. She oversees the front desk operations of both offices. This requires the control of the appointment books, the billing and all of the insurance.

She is the person to talk to if the front desk staff cannot answer billing and insurance questions.  She is very familiar with all of the dental plans that our practice participates with. If you are changing plans or acquiring a new dental plan, please feel free to call her for advice.

As the dentists in the office, we are very lucky to have someone so knowledgeable in the dental field. She can be reached during office hours at 410-766-4650 or e-mail her at

When not in the office, Cheryl is busy with her 4 children. Most likely you can find her after work on a girls softball field somewhere in Maryland, Pennsylvania, Virginia, or possibly Florida.


Catrina – I have been practicing Dental Hygiene since 2000. I absolutely love what I do. Some of the treatments includes: prophylaxis, scalings, debridements, and perio maintenance to give my patients a great pearly smile. I’m an advocate for educating my patients about the importance of proper oral healthcare and effective home care. In my spare time, I enjoy being with my family, especially my four year old son, mountain bike riding, dancing, and sometime just a quiet evening reading and doing puzzles.

Jennifer – I received my Bachelor’s degree in dental hygiene from the University of Maryland in May 2007 and started working for Drs. Nuger and Sircus in August of that same year. I love working with our patients and look forward to developing friendships with each one. As a hygienist, my goal is making sure our patients achieve optimal oral health through regular dental cleanings, fluoride treatments, as well as education on oral health and home care. My husband’s name is Jon, and we have three children together, Isabella, Emilia, and Branson. In my spare time I enjoy traveling, photography and spending time with my family!

JoAnn – I am the full time hygienist in our Columbia office. I graduated with honors and have over thirty years in the dental field. I am a member of the American Dental Hygiene Association. I annually attend continuing education classes and have taken many advanced training classes. I have many years of experience in periodontal therapy and have superior skills in scaling and root planning. I have exceptional patient skills focused on oral hygiene treatment and care, as well as preventative management. I maintain a clean, sterile, and cheerful environment where my patients feel comfortable. I always provide my patients with efficient, quality dental treatment. I am the mother of two, Jessica (17) and Megan (14). I am involved in school activities and my children keep me very busy. In my free time I enjoy spending time with family and friends.

Melanie – I graduated from the CCBC Dental Hygiene Program in 2010. I was a proud member of the program’s first graduating class. Starting with the practice in May 2011, I enjoy building a rapport with my patients. Outside of work, I love spending time with my husband at our new home in the Catonsville area.


Carol – I have been a receptionist for the Glen Burnie office for the past twelve years. My family have enjoyed being with Dr. Nuger for over thirty years. I am happy to assist you with scheduling your appointments and any insurance questions you may have. I reside in Glen Burnie with my husband. I have two grown daughters and four grandchildren. In my spare time, I enjoy camping and spending time with family and friends.

Joey – As the main front desk receptionist in Columbia, I perform many tasks, such as assisting our patients with insurance benefits and questions, scheduling appointments, checking patients in and out, and filing dental claims. I enjoy meeting each patient and getting to know them and their families. Our team here is great, we work together to provide our patients with the most comfortable experience. In my spare time, I enjoy spending time with family and friends, camping, and cooking.

Dental Assistants

Elizabeth (Lizzy) – As Dr. Fosters main dental assistant, we perform many different dental procedures, from deep cleanings to implants. Occasionally, you will see me working with Dr. Nuger and Dr. Sircus. I am an x-ray certified dental assistant, who enjoys interacting with our patients day to day and making them feel as comfortable as possible. In my spare time, I like to spend time with my family, friends, and perfect puppy.

Jordyn – As our offices floating dental assistant, I have a wide range of duties. You can find me anywhere from assisting the doctors chairside, working hands on in our lab, or answering calls and helping patients at the front desk. In my spare time, I enjoy being outside with family and friends.

Katrina – I am an x-ray certified and qualified expanded duties dental assistant. As I have been with the practice for twenty-five plus years, I am familiar with many of the families and love to catch up with everyone. In my spare time, I enjoy spending time with my family and love to watch football. I have one daughter and now a teenage granddaughter who are inseparable.

Lisa – I joined Drs. Nuger and Sircus in October 2003, since then I have seen many great changes and additions to our office and staff. Assisting the doctors to serve our patients with a variety of restorative and cosmetic procedures continues to be a career I am proud of. When not in the office (or commuting to and from) I can be found enjoying time with my family and friends. My husband, daughter and I love serving with our church, playing soccer together, and traveling.

Rachelle – As one of our office’s dental assistants in our Glen Burnie office, I am responsible for assisting our doctors in four-handed dentistry. Some of our procedures include root canal therapy, restorations, implants, extractions, x-rays, and sterilization of instruments. I always want our patients to be as comfortable as possible during their dental visit, therefore I socialize with them each and every time I see them. I have a bachelor’s degree in Exercise Science and a minor in Biology from Shippensburg University. I would still like to continue my education possibly into dental hygiene. In my free time, I love to play sports especially softball, watch all football and baseball games, and enjoy spending time with my family.