300 New Jersey Avenue, NW, Suite 300, Washington, DC, 20001, 
1) ALLIANCE FOR PHYSICAL THERAPY QUALITY AND INNOVATION
2) APOLLOMD (AMERICANS FOR FAIR HEALTH CARE)
3) CANON MEDICAL SYSTEMS USA [IMAGE SAFELY 360]
4) ENVISION HEALTHCARE (AMERICANS FOR FAIR HEALTH CARE)
5) GOTTLIEB & GREENSPAN [AMERICANS FOR FAIR HEALTH CARE]
6) HALOMD [AMERICANS FOR FAIR HEALTH CARE]
7) HOUSTON RADIOLOGY (AMERICANS FOR FAIR HEALTH CARE)
8) NSPC BRAIN & SPINE SURGERY (AMERICANS FOR FAIR HEALTH CARE)
9) PACIFIC DENTAL SERVICES LLC
10) PIVOTAL HEALTH (AFHC) [FKA RADIX HEALTH (AMERICANS FOR FAIR HEALTH CARE)]
11) PROVIDENCE ANESTHESIOLOGY ASSOCIATES (AMERICANS FOR FAIR HEALTH CARE)
12) QUANTUM RADIOLOGY (AMERICANS FOR FAIR HEALTH CARE)
13) RADIOLOGY OF INDIANA (AMERICANS FOR FAIR HEALTH CARE)
14) RADIOLOGY PARTNERS (AMERICANS FOR FAIR HEALTH CARE)
15) RAMPART IC [IMAGE SAFELY 360]
16) RC BILLING (AMERICANS FOR FAIR HEALTH CARE)
17) SANTA FE GROUP
18) SCP HEALTH (AMERICANS FOR FAIR HEALTH CARE)
19) SOUND PHYSICIANS (FKA SOUND INPATIENT PHYSICIANS, INC.)
20) SPECIALTYCARE (AMERICANS FOR FAIR HEALTH CARE) FKA SPECIALTYCARE
601 13th Street, NW, 11th Floor South, Washington, DC, 20005, 
1) ACADEMY OF NUTRITION AND DIETETICS
4) ALLIANCE FOR REGENERATIVE MEDICINE
6) AMERICAN HEALTH CARE ASSOCIATION
7) AMERICAN SOCIETY OF GENE AND CELL THERAPY
8) BECTON, DICKINSON AND COMPANY
9) BIOMARIN PHARMACEUTICAL INC.
10) BIOTECHNOLOGY INNOVATION ORGANIZATION
11) BREAKTHROUGH T1D (F/K/A JDRF)
13) CHILDREN'S HOSPITAL AND HEALTH SYSTEM, INC.
15) FEDERATION OF AMERICAN HOSPITALS
16) FINDHELP
17) FRESENIUS MEDICAL CARE NORTH AMERICA (FKA FRESENIUS MEDICAL CARE)
20) IOWA PRIMARY CARE ASSOCIATION (NATIONAL PRIMARY CARE ASSOCIATION HUB)
24) MASS GENERAL BRIGHAM (FORMERLY KNOWN AS PARTNERS HEALTHCARE)
27) NATIONAL ALLIANCE FOR CARE AT HOME
28) NEUROCRINE BIOSCIENCES, INC.
29) NOVARTIS
31) OAK STREET HEALTH D/B/A CVS HEALTH
32) PFIZER, INC
33) PHI HEALTH, LLC, D/B/A PHI AIR MEDICAL
34) PREMIA SPINE
36) PTC THERAPEUTICS
39) REGENERON PHARMACEUTICALS, INC.
40) SCP-HEALTH
41) SELLERS DORSEY
42) STAMFORD HEALTH
44) TEXAS ESSENTIAL HEALTHCARE PARTNERSHIPS
45) WALGREEN CO.
601 13th Street, NW, 11th Floor South, Washington, DC, 20005, 
1) ACADEMY OF NUTRITION AND DIETETICS
2) ADVANCED MEDICAL TECHNOLOGY ASSOCIATION
6) ALLIANCE FOR REGENERATIVE MEDICINE
7) AMERICAN SOCIETY OF GENE AND CELL THERAPY
9) BIOTECHNOLOGY INNOVATION ORGANIZATION
10) BREAKTHROUGH T1D (F/K/A JDRF)
12) COLORECTAL CANCER ALLIANCE
15) FEDERATION OF AMERICAN HOSPITALS
16) FINDHELP
19) HELLO HEART, INC
20) INDUCTIVEHEALTH INFORMATICS
21) IOWA PRIMARY CARE ASSOCIATION (NATIONAL PRIMARY CARE ASSOCIATION HUB)
22) LUMEXA IMAGING, INC. (FKA US RADIOLOGY SPECIALISTS)
26) NATIONAL COMMUNITY PHARMACISTS ASSOCIATION
27) NOVARTIS
29) OAK STREET HEALTH D/B/A CVS HEALTH
30) PFIZER, INC
31) PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA
32) PHI HEALTH, LLC, D/B/A PHI AIR MEDICAL
35) SCP-HEALTH
36) SELLERS DORSEY
37) SENIOR CARE PHARMACY COALITION
38) SHIFTKEY, LLC
39) STAMFORD HEALTH
41) TEAMHEALTH
42) TEXAS ESSENTIAL HEALTHCARE PARTNERSHIPS
43) THE CHILDREN'S HOSPITAL OF PHILADELPHIA
44) TRANSMEDICS
45) U.S. ACUTE CARE SOLUTIONS, LLC
46) U.S. ANESTHESIA PARTNERS, INC.
47) VAXCYTE, INC.
49) WALGREEN CO.
50) WELBEHEALTH
300 New Jersey Avenue, NW, Suite 300, Washington, DC, 20001, 
1) ABBOTT (CVC) (FKA CARDIOVASCULAR SYSTEMS, INC, CARDIOVASCULAR COALITION)
2) ABBOTT FKA CSI (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)
3) ALBERT VEIN INSTITUTE (OFFICE-BASED FACILITY ASSN OBFA)
4) ALLIANCE FOR AMERICA'S PROMISE, INC.
5) ALLIANCE FOR PHYSICAL THERAPY QUALITY AND INNOVATION
6) ALLIANCE FOR PHYSICAL THERAPY QUALITY AND INNOVATION (OBFA FKA USPA)
7) AMERICAN COLLEGE OF RADIATION ONCOLOGY
8) AMERICAN VASCULAR ACCESS, LLC (CARDIOVASCULAR COALITION)
9) AMERICAN VASCULAR ASSOCIATES (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)
10) AMERICAN VEIN & LYMPHATIC SOCIETY (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)
11) ANGIOSAFE (CARDIOVASCULAR COALITION)
12) APOLLOMD (AMERICANS FOR FAIR HEALTH CARE)
13) ARIZONA KIDNEY DISEASE AND HYPERTENSION CENTER (DIALYSIS VASCULAR ACCESS COALITI
14) AUSTIN KIDNEY ASSOCIATES (DVAC REF)
15) AZURA VASCULAR CARE (FKA FRESENIUS VASCULAR CARE) (CARDIOVASCULAR COALITION)
16) AZURA VASCULAR CARE (FKA FRESENIUS VASCULAR)(DIALYSIS VASCULAR ACCESS COALITION)
17) AZURA VASCULAR CARE (OBFA) FKA AZURA VASCULAR CARE-NCP (OBFA FKA USPA)
18) BALBOA NEPHROLOGY MEDICAL GROUP (DVAC REF)
19) BD PERIPHERAL INTERVENTION (CARDIOVASCULAR COALITION)
20) BOSTON SCIENTIFIC (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)
21) CANON MEDICAL SYSTEMS USA [IMAGE SAFELY 360]
23) CARDIOVASCULAR INSTITUTE OF THE SOUTH (CARDIOVASCULAR COALITION)
24) DALLAS NEPHROLOGY ASSOCIATES (DVAC REF)
25) ENVISION HEALTHCARE (AMERICANS FOR FAIR HEALTH CARE)
26) GOTTLIEB & GREENSPAN [AMERICANS FOR FAIR HEALTH CARE]
28) HALOMD [AMERICANS FOR FAIR HEALTH CARE]
32) LIFELINE VASCULAR CARE (FKA ACCESS) (DIALYSIS VASCULAR ACCESS COALITION)
33) MEDFLOW
34) MEDTRONIC (CARDIOVASCULAR COALITION)
35) MEDTRONIC (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)
36) MID-ATLANTIC NEPHROLOGY ASSOCIATES, P.A. (DVAC REF)
37) NATIONAL ENDOVASCULAR ASSOCIATES (OFFICE-BASED FACILITY ASSN OBFA)
38) NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS AND INDIANA (DVAC REF)
39) NORTHWEST RENAL CLINIC, INC. (DVAC REF)
40) NSPC BRAIN & SPINE SURGERY (AMERICANS FOR FAIR HEALTH CARE)
41) OUTPATIENT ENDOVASCULAR AND INTERVENTIONAL SOCIETY (CARDIOVASCULAR COALITION)
42) PACIFIC DENTAL SERVICES LLC
43) PHILIPS IMAGE GUIDED THERAPY (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)
44) PHILIPS IMAGE GUIDED THERAPY/VOLCANO CORPORATION (CARDIOVASCULAR COALITION)
45) PIVOTAL HEALTH (AFHC) [FKA RADIX HEALTH (AMERICANS FOR FAIR HEALTH CARE)]
46) PROVIDENCE ANESTHESIOLOGY ASSOCIATES (AMERICANS FOR FAIR HEALTH CARE)
47) PULSE VASCULAR (CARDIOVASCULAR COALITION)
48) QUANTUM RADIOLOGY (AMERICANS FOR FAIR HEALTH CARE)
49) RADIOLOGY OF INDIANA (AMERICANS FOR FAIR HEALTH CARE)
50) RADIOLOGY PARTNERS (AMERICANS FOR FAIR HEALTH CARE)
51) RAMPART IC [IMAGE SAFELY 360]
52) RC BILLING (AMERICANS FOR FAIR HEALTH CARE)
53) REVENUE CYCLE CODING STRATEGIES (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)
54) REVENUE CYCLE CODING STRATEGIES AND RC BILLING
55) SANTA FE GROUP
56) SCP HEALTH (AMERICANS FOR FAIR HEALTH CARE)
57) SPECIALTYCARE (AMERICANS FOR FAIR HEALTH CARE) FKA SPECIALTYCARE
58) TEAMHEALTH, INC. (AMERICANS FOR FAIR HEALTH CARE)
59) TELEFLEX (OFFICE-BASED FACILITY ASSN OBFA) (FKA USPA)