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M. Anne, Receptionist
  • Duties: Answer phones, schedule appointments
  • Has worked in orthodontics since 1986 (with Drs. DiLorenzo, Hrechka & and Dowling)
  • Favorite thing about orthodontics: Speaking with patients and working with all three orthodontists to make the final orthodontic result — a beautiful smile.
Betty, Receptionist
  • Duties: Scheduling, sending letters, filing, cleaning, answering phones
  • Has worked in orthodontics since 1981 (for Drs. DiLorenzo, Hrechka & Dowling)
  • Favorite thing about orthodontics: My patients
  • Favorite thing about working with the doctors: They are understanding, fun, laid back, and down to earth.
  • Favorite thing about job: My patients, the convenience, my boss, and the girls (co-workers).
  • Has lived in Waldorf since 2002, Native of Maryland
  • Non-work activities: Spending time with family, travel and fun times with my husband, and playing volleyball.
Melissa, Receptionist
  • Duties: Chairside Assistant, answer phones, schedule appointments
  • Has worked in orthodontics since 1993 (with Drs. DiLorenzo, Hrechka & Dowling)
  • Favorite thing about orthodontics: I love to see beautiful smiles.
  • Favorite thing about working with the doctors: They are wonderful people to work for. We love our patients.
  • Favorite thing about her job: Office convention trips and unpredictable days. Our staff is wonderful; we are like a big family.
  • Non-work activities: Hunting and scrap booking.
  • Native of Maryland
   Denise, Receptionist
  • Duties: Answering phones, scheduling appointments
  • New to Drs. DiLorenzo and Hrechka, but a hard and quick learner
  • Favorite thing about working with the doctors: They are kind and hard working orthodontists who enjoy their patients and staff.
  • Favorite thing about orthodontics: Working with patients and seeing their new smile
Elaine, Bookkeeper
  • Duties: Billing
  • Has worked in orthodontics since 1968
  • Has worked with Drs. DiLorenzo, Hrechka & Dowling since 1983
  • Favorite thing about orthodontics: Helping people
  • Favorite thing about working for the doctors.: Easy to get along with.
  • Favorite things about her job: It's ever changing and provides new challenges.
  • Native of Washington, D.C.
  • Lived in Waldorf since 1989.
  • Non-work activities: Bowling, traveling
Pamela, Insurance Coordinator
  • Duties: Submit insurance claims, follow-up phone calls
  • Has worked in orthodontics since 1996 (with Drs. DiLorenzo, Hrechka & Dowling)
  • Favorite thing about working with the doctors: I like having them for a boss, and I like the employees that work here.
  • Favorite thing about her job: Helping patients with insurance problems.
  • Native of Newark, NJ; has lived in Waldorf, MD since 1995.
  • Hobbies: Running and flag football.
Lisa, Orthodontic Technician
  • Duties: Chairside Assistant
  • Has worked with Drs. DiLorenzo, Hrechka & Dowling since 2003
  • Favorite thing about orthodontics: Meeting new people and seeing how happy our patients are with their beautiful smiles.
  • Favorite thing about working with the doctors: They have a good attitude, are fun to work with, and are respectful.
  • Favorite thing about her job: The people I work with, the learning process that never stops, and the time we spend as a group on trips for continuing education courses.
Pattie, Orthodontic Technician
  • Duties: Chairside Assistant
  • Has worked in orthodontics since 1977
  • Has worked with Drs. DiLorenzo, Hrechka & Dowling since 1986
  • Favorite thing about orthodontics: Meeting people.
  • Favorite thing about working with Drs. DiLorenzo, Hrechka & Dowling: There is never a dull moment.
  • Favorite thing about job: I love my co-workers.


Patty, Orthodontic Technician
  • Duties: Chairside Assistant and Invisalign® Coordinator
  • Has worked in orthodontics since 1994 (with Drs. DiLorenzo, Hrechka & Dowling)
Sharon, Orthodontic Technician
  • Duties: Chairside Assistant and Laboratory Technician
  • Has worked in orthodontics since 1991 (with Drs. DiLorenzo, Hrechka & Dowling)
  • Favorite thing about her job: I work with patients and do lab work. Variety is the spice of life.
Lynne, Orthodontic Technician
  • Duties: Chairside Assistant
  • Has worked in orthodontics since 1986 (with Drs. DiLorenzo, Hrechka & Dowling)
  • Favorite thing about working with the doctors: I really enjoy working with all of them.
  • Favorite thing about her job: I like working with my co-workers and patients.
Nancy, Orthodontic Technician
  • Duties: Chairside Assistant, computer consultant, and HIPPA privacy officer
  • Has worked in orthodontics since 1998
  • Has worked with Drs. DiLorenzo, Hrechka & Dowling since 1999
  • Favorite thing about working with the doctors: All three doctors have different techniques so you constantly learn something new with them.
Teresa, Orthodontic Technician
  • Duties: Assisting the doctors, ordering products for the practice
  • Has worked in orthodontics since 1978 (with Drs. DiLorenzo, Hrechka & Dowling)
  • Favorite thing about orthodontics: Meeting new people and working on a personal basis with others.
  • Favorite thing about working with the doctors: Office convention trips, parties with our practice, and accomplishing a beautiful finished orthodontic case.
  • Favorite things about her job: Working with children and adults in treatment.
Lani, Orthodontic Technician
  • Duties: Chairside Assistant
  • Has worked in orthodontics since 1994
  • Has worked with Drs. DiLorenzo, Hrechka & Dowling since 2004
  • Native of the Philippines; has lived in Prince George's County since 2002.
 pic  Quenell, Orthodontic Technician

  • Duites: Chairside Assistant
  • Has worked in orthodontics since 2005
  • Has wokred with Drs. DiLorenzo, Hrechka & Dowling since 2006
  • Favorite thing about orthodontics:  The love for working with patients.
  • Favorite thing about working with Dr. Hrechka:  The interesting conversations and fun working environment as well as good working experience with Dr. Hrechka and staff.
  • Favorite thing about you job:  Making a difference in people lives, taking impressions, and working with my co-workers.
  • Native of Washington D.C., and now resides in Oxon Hill.
  • Non-working activities:  Roller skating, love skate parties, and riding my motocycle (suzuki).
Jeanette, Laboratory Technician
  • Duties: Retainers, appliances, supplies and assists chairside
  • Has worked in orthodontics since 1982
  • Has worked with Drs. DiLorenzo, Hrechka & Dowling since 1992
  • Favorite thing about her job: The variety of work, the staff, and patients.
  • Favorite thing about working with the doctors: They all have their own personality.
  • Native of Washington, D.C.; lived is Charles County since 1970
Margie, Laboratory Technician
  • Duties: Retainers and appliance construction
  • Worked in orthodontics since 1978
  • Has worked for Drs. DiLorenzo, Hrechka, Dowling since 1986
  • Favorited things about my job is the challange of constructing a variety of orthodontic appliances.
  • Loves working with co-workers.
Marlene, Receptionist
  • Duties: Answer phones, schedule appointments
  • Has worked in orthodontics since 1972
  • Has worked with Drs. DiLorenzo, Hrechka and Dowling since 1983
  • Favorite thing about orthodontics: Every finished product brings a smile.
  • Favorite thing about working with the doctors: I enjoy their easy-going nature and great time management skills. Our schedule rarely runs more than 10 minutes behind, which makes for very happy parents.
  • Favorite things about job: Interacting with some really fun teenagers.
  • Marlene is a native of Maryland
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