4400 Jenifer St. NW #340 Washington, DC 20015

Contact Us (202) 686-9100

Meet our Team Chevy Chase Digital Dentistry

Dental practice manager: Nancy Barr

Nancy Barr

I have worked for Dr. Andrew Cobb for 35 years now. I worked part time for his wonderful father, Dr. Everett Cobb, then came to the practice full time when Dr. Andrew graduated. Working here has given me a wide knowledge of all aspects of dentistry.

Besides being the practice manager, I work with patients to schedule complex treatment, assisting them to make appointments with the specialists we refer them to. I also help with financial arrangements.

Having worked in the dental field as an assistant, lab tech, and front office manager for over 47 years I feel honored to have spent so many years in this wonderful practice. We have the best team and wonderful patients and that makes coming to work so much easier.

When you come to our office the first person you meet is Pat, my sister, and we enjoy getting to spend so much time together. My training was technical school, then passing the dental assistant boards. The best training I could ever have is the experience I’ve gotten for the past 35 years.


Patricia Szubielski

Patricia Szubielski

Pat has been with Dr. Cobb for over 20 years. A valuable member of the practice, Pat has worked in various capacities; at the front desk greeting patients and caring for patients’ treatment scheduling, financial matters and telephone queries.

You may be surprised the first time you see Pat and Nancy together. Yes, they’re sisters, but no, they’re not twins!


Dental hygienist: Pamela Oginz

Pamela Oginz

Dental hygiene has been my lifelong passion and career. I graduated from the University of Bridgeport Fone’s School of Dental Hygiene, the first dental hygiene school in the country.

My career spans several dental specialties including general dentistry, cosmetic and restorative dentistry and periodontics. I have spent many years in each of these specialties. Like Dr. Cobb, I believe in the importance of continuing education to enhance and expand knowledge of the most current technologies.

I have been involved in volunteer dental missions at Mission of Mercy, a dental mission in Maryland, and Somos Amigos, a medical/dental mission in the Dominican Republic. I volunteer a week of my time and a weekend of my time to serve underprivileged individuals and give them free dental care.

I am very particular about who I work for because I want to feel good at the end of my day knowing my patients are well taken care of. That is why I have been with Dr. Cobb for over 22 years. He is very professional, kind and concerned about each of his patients and gives his best to everyone. There’s longevity with his staff and with our patients. I think that says it all!


Dental Assistant: Sandra Lobo

Sandra Lobo

Hello! My name is Sandra Lobo. I have been a Dental Assistant for 22 years. I am a certified Dental Assistant in the MD and DC area. I have been trained in 3Shape Scan as well as 3D printing. I am licensed in Dental Radiology.

I have been a part of Dr. Andrew Cobb’s team for 11 years. Being at Dr. Cobb’s office has given me the opportunity to expand my knowledge and I look forward to continuing to improve my skills and learn new techniques from this amazing office.


Cynthia Van Kirk, dental assistant in Washington, D.C.

Cynthia Van Kirk

I am married to Mark Van Kirk and we have a beautiful daughter Charmaine. I have over 17 years of dental assisting experience. I have worked in different aspects of dentistry, such as implantology, periodontics, endodontics, and general dentistry. I am board certified in Dental Radiology and C.P.R. I love spending time with my family and friends.