McKnight Pediatrics

Our Practice

Thank you for choosing McKnight Pediatrics! Here you can learn a little about us, how to reach the office and what services we offer.



Welcome to our website! First, we'd like to thank you for your interest in us and for taking the time to search for us. We hope you will like what you find and we invite you to return frequently. Next, we'd like to extend our gratitude for the many families who continue to entrust us with the care of their children. Without you we could not exist. We thank you for choosing us, trusting in us, and allowing us to be a part of your village.

We hope that you find our website helpful, informational, and easy to navigate. We welcome any and all comments. Click on the 'Contact Us' tab to learn how to send comments.

Bon voyage!


Marjorie B. McKnight, M.D.
Dr. McKnight is a native Washingtonian and graduate of Howard University and George Washington University Medical School. She has practiced pediatrics in Washington, DC since 1986. While practicing general pediatrics, her passion lies in wellness and disease prevention.

Dr. McKnight's interests outside of practice include gardening, cooking, walking, swimming and spending time with family and friends, especially her grandchildren Carter, Chase, and Claude

Rachel Cohen, D.O.
Dr. Cohen received her B.A., B.S. and M.S. degrees from Tulane University in New Orleans, LA. She then moved to NYC, where she obtained her medical degree from Touro College of Osteopathic Medicine in NYC. Her medical training was completed in General Pediatrics at Harlem Hospital Center, affiliate of Columbia University Medical Center. She and her family now reside in the DC area.

Dr. Cohen loves being a pediatrician and helping to serve the children in our community. Her professional interests include preventive medicine and holistic care. She believes in the utmost importance of physical and emotional well being.

Her hobbies include yoga, cooking, music, and being a mom to her two beautiful, little boys--Isaac and Eli.

Maia McCuiston Jackson, MD
Dr. Maia McCuiston Jackson was born and raised in Ann Arbor, MI. She received a B.S. in Chemistry from Spelman College and her M.D. from Wayne State University School of Medicine. She completed her residency in Pediatrics at the University of Michigan. Dr. McCuiston has been practicing general pediatrics since 2004. She is a breastfeeding advocate and is passionate about creating total health for all children.

Dr. McCuiston is bi-lingual, speaking both English and Spanish. She was named "Top 40 under 40" by the National Medical Association in 2014, a "Top Doc Rising Star" by The Washington Post in 2014, and "Top Doctor" for the past 4 years by Northern Virginia Magazine. Dr. McCuiston values the village that has been created for her and her two boys here in the DMV and enjoys almost all activities that provide the opportunity to spend time with her friends and family.

Lucinda Bien-Aime, MD, MPH
Dr. Bien-Aime is a native Washingtonian and a proud graduate of Theodore Roosevelt SHS. She earned her B.S. from Florida Agricultural and Mechanical University and her M.D. from Meharry Medical College. She completed her residency in Pediatrics at Harlem Hospital Center, an affiliate of Columbia University Medical Center. Dr. Bien-Aime also earned a Masters degree in public health from George Washington University.

She is passionate about caring for children and believes that the health and well-being of a child cannot be adequately addressed in the clinical setting alone. Her daily practice of medicine integrates social, cultural, and environmental influences on children's health with comprehensive, evidence-based medical care. She has practiced Pediatrics in the District of Columbia and in Maryland since 2006.

When she is not practicing pediatrics, Dr. Bien-Aime is an enamored wife and a doting mom of 4 sons. She enjoys audiobooks, having fun with family and friends, traveling, laughing out loud, warm smiles, and big hugs.

Laura Eleazer, P.N.P.
Laura Eleazer is a board certified Pediatric Nurse Practitioner originally from South Carolina. She completed her Master's of Science in Nursing at the University of Virginia and also completed a Pediatric fellowship program in Charlotte, North Carolina with Carolinas Healthcare System. Laura enjoys working in primary care where she is able to develop relationships with her patients and their families and assist her patients in reaching their optimal health and wellness. Laura enjoys living in Washington D.C. where there are endless things to do and see. In her spare time, she enjoys hiking, traveling, spending time with family and friends and baking.


Our front office staff works together as a team to ensure the practice operates effectively and efficiently. Their responsibilities include answering your calls, taking and sending messages to the doctors, scheduling appointments, maintaining your records, and providing assistance during your visit among many others.

The members of our front office staff are: Virginia Miller, Chelsea White, Tiffany Best, Lauren McKnight, and Kyle Butler-Myers.

Stephanie Redmond, our office manager, has been with the practice since 1992 and knows all there is to know about the office. She is always happy to help you in any way. Stephanie is also a parent in the practice.

Doretha Carroll is our operations manager. She works very hard before, during, and after office hours to keep this ship afloat.

Virginia Miller is an administrative assistant who joined our practice in October of 2007.

Chelsea White is an administrative assistant who joined our practice in June of 2015.

Lauren McKnight is an administrative assistant who joined our practice in January of 2019.

Kyle Butler-Myers is an administrative assistant and the office's IT guru who re-joined the practice in March of 2019.

Our clinical office is outstanding! We are fortunate to have well qualified, well trained medical assistants who all began their careers with our practice. They work every day to deliver the best possible care to you and your children. In addition, they strive to get to know your children, to ease their fears and to comfort them when needed.

Angelica Lara is a medical assistant who joined our practice in August 2012

Jessica Hutchinson is an medical assistant who joined our practice in October of 2018

Tiffany Best is an medical assistant who joined our practice in December of 2018

Patient Portal

The Patient Portal is now up and running! Click the link below to login.

Patient Portal

Contact the office to set up an account. You will need to provide an email address and we will web enable you so that you will be able to access the portal. You get one set of login information per child. If you are unable to remember your information or get locked out then please contact the office, so we can reset and resend your information. Passwords last for seven days,so please try to login within the week you receive the login information. New patients can pre-register before their first appointment with the practice.

Although you can currently do a lot with the portal, there are some features that are not enabled yet.

  • - You can view when your next appointment is, but you cannot schedule or cancel one. You must still call the office to do that.
  • - You can view patient visit summaries. This is the printout you usually receive at checkout after an appointment.
  • - You can view and print out a immunization records at home.
  • - You can view normal results labs. If an abnormal result occurs, the doctor will reach you.
  • - You may send a general message to the practice or a message about a prescription refill, but the portal is monitored by the front office staff, not the doctors. You cannot directly message the doctors.
  • - Please fill out the family history questionnaire as soon as possible. You can find it under the "Questionnaire" tab with the developmental checklists.

Office/Change of Information Forms

New Patient Form.doc
Request Records To Our Office.doc
Request Records From our Office
Permission to Publicize Graduation Announcement.doc

Office Information

Mon - Thurs: 7am - 5pm Fri: 7am - 4pm

Sat: 8am - 12pm, sick appointments only Visits by appointment only.

$25 fee for missed appointments and same day cancellations; $75 fee for missed consult appointments Travel vaccines are available for our patients. Please call the office for more information.

106 Irving Street NW Suite 2300 Washington DC 20010 (202) 291-6257 Fax: (202) 726-4926

Services Provided:

All routine pediatric care for newborns through 21 years, travel vaccines and ear piercings for all ages, and informational workshops are available for our patients.

Flu vaccines are by appointment only, please call the office to set up an appointment.

Requests for any records from the office can be made in person or requires a signature from parent. This request form can be filled out in the office or faxed.

The practice only accepts school forms by:
1) mail with a self-addressed stamped envelope including payment of $25.00 per child
2) walk-in with the form and payment
No fax or email

We have a 10-14 business day turn around period. Call first to confirm forms are completed prior to pick-up. If you need a form expedited there is an additional $10 charge per child.
If needed, please call to schedule a physical in advance.

Please call the office for more information.

Accepted Insurances:

  • Aetna (HMO, POS, & PPO)
  • Amerihealth
  • Carefirst BCBS (HMO, POS, & PPO)
  • Cigna (POS & PPO only)
  • Medstar Select
  • PHCS
  • Tricare
  • United Healthcare (POS & PPO only)