BM
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Monahan, Hematology / Oncology Specialist in Washington, DC?
Dr. Brian Monahan, MD is a Hematology / Oncology Specialist, who primarily practices in Washington, DC with 2 additional practice locations. He is board certified. Dr. Monahan graduated from Georgetown University School of Medicine and completed his residency at Nat'L Naval Med Ctr, Hematology/Oncology; Nat'L Naval Med Ctr, Internal Medicine. Dr. Monahan is fluent in English, and is currently seeing new patients. Dr. Monahan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Monahan’s office at (202) 225-5421.
Where did Dr. Monahan go to medical school and complete their residency?
Residency: Nat'L Naval Med Ctr, Hematology/Oncology; Nat'L Naval Med Ctr, Internal Medicine | Naval Medical Center (Portsmouth) Program
Medical School: Georgetown Univ Sch of Med, Washington Dc | Georgetown University School of Medicine
Is Dr. Monahan board certified as a Hematology / Oncology Specialist?
Yes, Dr. Brian Monahan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Monahan speak?
Dr. Monahan and their clinical team can communicate with patients in the following languages:
English
What conditions does a Hematology / Oncology Specialist like Dr. Monahan typically treat?
As a Hematology / Oncology Specialist, conditions treated by Dr. Brian Monahan may include:
Please contact Dr. Monahan's office directly to confirm care for your specific condition, for more information, or to schedule a consultation.
What procedures does a Hematology / Oncology Specialist like Dr. Monahan typically perform?
As a Hematology / Oncology Specialist, procedures performed by Dr. Brian Monahan may include:
- 3D Conformal Radiotherapy
- Adaptive Radiation Therapy (ART)
- Adrenalectomy
- Blood Thinning Therapy / Anticoagulation
- Blood Transfusion Consultation
- Blood Transfusion Follow Up
- Bone Excision
- Bone Grafting
Please contact Dr. Monahan's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Monahan accept my insurance?
Dr. Monahan accepts most major insurance plans. Important: Please call our office at (202) 225-5421 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Monahan accept in Washington, DC?
Dr. Monahan in Washington, DC accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Medicare
View All Insurances
Where is Dr. Monahan's office located?
Dr. Brian Monahan's Primary Practice
H-166 Us Capitol
Washington, DC 20515
(202) 225-5421
Dr. Brian Monahan's Practice 3
Building 8 Room 4127 National Naval Medical Center
Bethesda, MD 20889
What is Dr. Monahan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Monahan's National Provider Identifier (NPI) number is 1912908120.
What common questions do patients ask about Dr. Monahan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Monahan
What is Dr. Brian Monahan's specialty?
Dr. Monahan is a Hematology / Oncology Specialist near Washington, DC.
What does a Hematology / Oncology Specialist do?
An internist doctor of osteopathy specializing in the combined treatment of hematology and oncology disorders. A doctor of osteopathy who is board eligible or certified by the American Osteopathic Board of Internal Medicine was previously able to obtain a Certificate of Special Qualifications in Hematology and Oncology; however, this certificate is no longer available.
Is this Dr. Brian Monahan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Monahan is affiliated with Concord Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Hematology / Oncology Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Hematology / Oncology Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Brian Monahan accepting new patients in Washington, DC?
Yes, Dr. Brian Monahan is accepting new patients at this time.
Does Dr. Brian Monahan offer online booking?
Please contact Dr. Monahan's office at (202) 225-5421 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Brian Monahan?
Please contact Dr. Monahan's office at (202) 225-5421 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Brian Monahan have?
Dr. Brian Monahan is certified by the American Board of Internal Medicine.
Other Hematology / Oncology Specialist Near Washington, DC
AB
Hematology / Oncology Specialist
Dr. Alfred Brooks, MD is a Hematology / Oncology Specialist, who primarily practices in Arlington, VA with 1 additional practice location. He is board certified.
Arlington, VA

Internist
Dr. Cyril Allen, MD is an Internist, who primarily practices in Alexandria, VA with 2 additional practice locations. He has been practicing for over 45 years.
Alexandria, VA
AA
Hematology / Oncology Specialist
Dr. Ahmed Ali, MD is a Hematology / Oncology Specialist, who primarily practices in Washington, DC with 2 additional practice locations.
Washington, DC