For questions about bills from Capital Critical Care (formerly known as Sunrise Medical Group), or Dr. Adaku Onukogu, please call 240-489-6260 and press option 3.

For questions about bills from Gaithersburg Critical Care Associates please call 240-489-6260 and press option 6.

Please read our Frequently Asked Questions (FAQ) before contacting us, to see if your question can be answered.


You can always contact us in writing by sending letters to:

Maximus Medical Group, LLC

11006 Veirs Mill Rd
PMB 261
Silver Spring, MD 20902


Phone: 240-489-6260
Fax: 240-489-6266
E-mail: maximusmedbilling@myupdox.com