| 1st Viatical Capital | Map It! | Main Street | Washington, DC 20011 | (800) 921-8227 |
| Insurance, Financial Planning Consultants & Services, Cancer Insurance, Viatical & Senior Settlements, Cancer Information & Treatment Services | |
| Aaaca Adult Adolescent | Map It! | | Washington, DC 20016 | (202) 210-3229 |
| Psychologists, Marriage & Family Counseling | |
| Academy for Health Service | Map It! | 1801 K Street NW # 701 | Washington, DC 20006 | (202) 292-6700 |
| Health Information & Referral Services, Health Care Providers, Clinics & Medical Centers | |
| Accent On Health LLC | Map It! | 1328 Southern Avenue SE # 209 | Washington, DC 20032 | (202) 610-9570 |
| Health Information & Referral Services, Health Care Providers, Clinics & Medical Centers | |
| Acclaim Insurance | Map It! | | Washington, DC 20020 | (202) 889-8820 |
| Insurance | |
| ACS State Healthcare | Map It! | 3919 Benning Road Northeast | Washington, DC 20019 | (202) 388-5032 |
| Health Information & Referral Services, Health Care Providers, Clinics & Medical Centers, Information Systems Consultants | |
| Acupuncture Health Center | Map It! | 5225 Wisconsin Avenue Northwest | Washington, DC 20015 | (202) 363-5664 |
| Acupuncture Physicians & Surgeons | |
| Aetna-Federal Gvrnmnt Rltns | Map It! | 1501 M Street Northwest | Washington, DC 20005 | (202) 223-2821 |
| Insurance, Public Health & Safety, Data Communications Service & Repair | |
| Affordable Disability Insurance | Map It! | | Washington, DC 20007 | (202) 333-8325 |
| Insurance, Accident & Health Insurance | |
| Affordable Health Insurance | Map It! | 2711 P St. Nw | Washington, DC 20007 | (202) 333-8325 |
| Health Insurance, Insurance, Life Insurance, Disability Insurance, Business Insurance | |
| Aids Emplowerment & Treatment | Map It! | 1775 T Street NW # 2 | Washington, DC 20009 | (202) 518-0402 |
| Health Information & Referral Services, Health Care Management, Health Maintenance Organizations | |
| Air Ambulance | Map It! | Airport Exec Tower | Washington, DC 20001 | (202) 408-4878 |
| Ambulance Services, Emergency Ambulance Services, Air Ambulance Services, Aircraft Charter Rental & Leasing | |
| All in One | Map It! | 2014 Rhode Island Avenue Northeast | Washington, DC 20018 | (202) 636-8040 |
| Beauty Supplies & Equipment Retail | |
| Allied Health Care Inc | Map It! | 1618 7th Street Northwest | Washington, DC 20001 | (202) 232-8700 |
| Health Information & Referral Services, Health Care Providers, Clinics & Medical Centers | |
| Alstar Insurance | Map It! | 2020 Pennsylvania Ave Nw Ste. 352 | Washington, DC 20006 | (703) 286-7357 |
| Health Insurance, Life Insurance, Insurance Agents & Brokers, Health Care Plans, Group Insurance | |
| Alston & Associates | Map It! | 6234 Georgia Avenue Northwest | Washington, DC 20011 | (202) 829-2510 |
| Homeowners' & Renters' Insurance, Insurance, Life Insurance | |
| America's Health Insurance PLA | Map It! | 601 Pennsylvania Avenue NW # 500 | Washington, DC 20004 | (202) 778-3200 |
| Community & Civic Organizations, Business & Professional Associations & Organizations | |
| American Lung Associates of DC | Map It! | 530 7th Street Southeast | Washington, DC 20003 | (202) 546-5864 |
| Chiropractors, Health Care Providers, Clinics & Medical Centers | |
| American Managed Behavioral-Pamela Greenberg,M.P.P.-President and CEO Abhw | Map It! | 1101 Pennsylvania Avenue Northwest | Washington, DC 20004 | (202) 756-7726 |
| Health Care Providers, Health Care Consultants, Clinics & Medical Centers | |
| Amerigroup | Map It! | | Washington, DC 20001 | (888) 576-4522 |
| Health Information & Referral Services, Insurance, Clinics & Medical Centers | |
| Amerigroup Corporation | Map It! | 750 1st Street Northeast Suite 1120 | Washington, DC 20002 | (202) 842-0527 |
| Health Information & Referral Services, Insurance, Clinics & Medical Centers | |
| Amerigroup District-Columbia | Map It! | 750 1st Street NE # 1120 | Washington, DC 20002 | (202) 783-8100 |
| Insurance, Health Care Providers, Hospital & Medical Service Plans, Medical Services Organizations, Health Associations | |
| Annand, Stephen D. Attorney | Map It! | 1100 New York AVENUE N West | Washington, DC 20005 | (202) 682-5800 |
| Attorneys, Malpractice & Negligence Attorneys, Insurance Law Attorneys, Health Care Law Attorneys, Accident Attorneys | email |
| Antalics, Michael E. Attorney | Map It! | 1625 Eye Street Northwest | Washington, DC 20006 | (202) 383-5343 |
| Attorneys, Insurance Law Attorneys, Computers & Technology Law Attorneys, Health Care Law Attorneys | email |
| Apex Metro Primary Care Group | Map It! | 1900 L Street NW # 204 | Washington, DC 20036 | (202) 293-5001 |
| Health Care Providers, Clinics & Medical Centers | |