Robert S. Siegel, MD
Hematology & Oncology Physician · Oncologist in DC Metro, DC
Provider details
- Specialty
- Hematology & Oncology Physician
- Credentials
- MD
- NPI number
- 1003985367
Checked against the CMS National Provider Identifier registry on October 2, 2026.
Medicare information
- Medical school
- George Washington University School of Medicine, graduated 1977
- Group practice
- Medical Faculty Associates
- Hospital affiliations
- George Washington Univ Hospital, Washington, DC · Medicare rating 2 out of 5 stars
- Medicare
- Accepts Medicare assignment (the Medicare-approved amount as full payment)
From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 2, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare
About
Specialties
- Hematology
- Oncology
- Internal Medicine
Insurance
- Aetna
- Blue Cross and Blue Shield - BlueCard PPO
- Cigna
- Cigna - Open Access
- Cigna HMO
- Cigna PPO
- Coventry
- First Health PPO
- Great West Healthcare PPO
- Kaiser Permanente
- MultiPlan - PHCS PPO
- MultiPlan PPO
- United HealthCare
- United HealthCare - Choice Plus POS
- United HealthCare - Options PPO
Listings are provided for information only and may be out of date. Know Cancer does not endorse any provider. Please confirm details directly with the provider.