| 1 | | David Oursler, M.D. | N/A | 0 | | Medford | OR |
| 2 | | Judith Oursler, M.D. | N/A | 0 | Rogue Valley Dermatology | | OR |
| 3 | | Pamela Ouyang, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 4 | | Albert Owens, M.D. | N/A | 0 | FASgen, Inc. | Baltimore | MD |
| 5 | | Charles Padgett, M.D. | N/A | 0 | Good Samaritan Hospital | Baltimore | MD |
| 6 | | Channing Paller, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 7 | | Arvind Pandey, M.D. | Barker | 2010 | Vanderbilt University | Nashville | TN |
| 8 | | Drew Pardoll, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 9 | | Anand Parekh, M.D. | N/A | 0 | U S Dept of Hlth & Human Services | Washington | DC |
| 10 | | Anand Parekh, M.D., M.P.H. | Janeway | 2002 | US Department of Health & Human Services | Washington | DC |
| 11 | | Lee Park, M.D. | N/A | 1952 | Retired from solo private practice 07/31/2016 | | |
| 12 | | Leroy Parker, M.D. | N/A | 0 | Southwood Hospital | Boston | MA |
| 13 | | Heather Parsons, M.D., M.P.H. | Longcope | 2009 | Johns Hopkins | Baltimore | MD |
| 14 | | Catherine Passaretti, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 15 | | Yuval Patel, M.D. | Longcope | 2011 | Duke University Hospital | Durham | NC |
| 16 | | Bhavana Pathak, M.D. | Janeway | 2011 | Johns Hopkins Hospital | Baltimore | MD |
| 17 | | Jeffrey Patterson-Fortin, M.D., Ph.D. | Barker | 2015 | Dana Farber Cancer Institute | Boston | MA |
| 18 | | H. Paulk, M.D. | N/A | 0 | Digestive Disease Clinic | Tallahassee | FL |
| 19 | | Daniel Pauly, M.D. | N/A | 0 | University of Florida | Gainesville | FL |
| 20 | | Henry Payson, M.D. | N/A | 0 | Dartmouth Medical School | Norwich | VT |
| 21 | | Kimberly Peairs, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Lutherville | MD |
| 22 | | David Pearse, M.D. | Barker | 1980 | Johns Hopkins School of Medicine | Baltimore | MD |
| 23 | | Thomas Pearson, M.D. | N/A | 0 | Univ of Rochester Medical Center | Rochester | NY |
| 24 | | Camille Pearte, M.D. | N/A | 0 | NYU School of Medicine | New York | NY |
| 25 | | Joanna Peloquin, M.D. | Thayer | 2007 | Massachusetts General Hospital | Boston | MA |
| 26 | | Naveen Pemmaraju, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 27 | | Jeffrey Perkins, M.D. | N/A | 0 | CO Ctr. for Arthritis & Osteopos | Longmont | CO |
| 28 | | Daniel Persyn, M.D. | N/A | 0 | | San Jose | CA |
| 29 | | Nancy Peters, M.D. | N/A | 0 | University of Colorado Hlth Sci Ctr | Denver | CO |
| 30 | | Stephen Peters, M.D. | N/A | 0 | Wake Forest Univ. School of Med. | Winston-Salem | NC |
| 31 | | Brent Petty, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 32 | | Kristine Phillips, M.D., Ph.D. | Janeway | 1996 | University of Michigan | Ann Arbor | MI |
| 33 | | Kristine Phillips, M.D., Ph.D. | Janeway | 1996 | Vanderbilt University Medical School | Nashville | TN |
| 34 | | David Pierson, M.D. | N/A | 0 | Harborview Medical Center | Seattle | WA |
| 35 | | Isabel Pimenta, M.D., M.B.A. | Barker | 2012 | Johns Hopkins Community Physicians | Bethesda | MD |
| 36 | | Matthew Pipeling, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 37 | | Raymond Plack, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 38 | | Edward Platia, M.D. | N/A | 0 | Washington Hospital Center | Washington | DC |
| 39 | | Edward Platia, M.D. | Thayer | 1976 | Medstar Washington Hospital Center | Washington | DC |
| 40 | | Edward Platia, M.D. | N/A | 1976 | Medstar Washington Hospital Center | Washington | DC |
| 41 | | Martin Pomper, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 42 | | Vincent Pompili, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 43 | | Vincent Pompili, M.D. | Longcope | 1988 | The Ohio State University Wexner Medical Center | Columbus | OH |
| 44 | | Malcolm Pond, M.D. | N/A | 0 | Riverside Cardiology Associates | Riverside | CA |
| 45 | | Ingrid Porter, M.D. | N/A | 0 | State Univ of New York at Albany | Latham | NY |
| 46 | | James Porterfield, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 47 | | Jonathan Powell, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 48 | | Victoria Powell, M.D. | Barker | 2014 | NIH | Bethesda | MD |
| 49 | | Michael Preece, M.D. | N/A | 0 | | Salt Lake City | UT |
| 50 | | Helen Prevas, M.D. | Janeway | 2012 | Johns Hopkins | Baltimore | MD |
| 51 | | Jennifer Price, M.D. | Barker | 2004 | University of California, San Francisco | San Francisco | CA |
| 52 | | Scott Proestel, M.D. | N/A | 0 | Housing Initiative Partnership | Rockville | MD |
| 53 | | Gregory Prokopowicz, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 54 | | Tatiana Prowell, M.D. | Longcope | 1999 | FDA, Johns Hopkins University | Silver Spring | MD |
| 55 | | Jordan Prutkin, M.D. | Janeway | 2002 | University of Washington | Seattle | WA |
| 56 | | Naresh Punjabi, M.D. | N/A | 0 | Johns Hopkins University | | MD |
| 57 | | Demetrus Puryear, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 58 | | Sarah Puryear, M.D. | Thayer | 2013 | University of California, San Francisco | San Francisco | CA |
| 59 | | Shannon Putman, M.D. | N/A | 0 | Greater Baltimore Medical Center | | |
| 60 | | William Queale, M.D. | N/A | 0 | Center for Health and Wellness, LLC | Lutherville | MD |
| 61 | | Kenneth Quickel, M.D. | N/A | 0 | Joslin Diabetes Center | Boston | MA |
| 62 | | Daniel Quirk, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Providence | RI |
| 63 | | Jeffrey Rade, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 64 | | Ronald Radius, M.D. | N/A | 0 | | Milwaukee | WI |
| 65 | | Srivatsan Raghavan, M.D., Ph.D. | Barker | 2010 | Johns Hopkins Hospital | Baltimore | MD |
| 66 | | Rod Rahimi, M.D., Ph.D. | Janeway | 2010 | Johns Hopkins Hospital | Baltimore | MD |
| 67 | | Joseph Rahman, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 68 | | David Raiford, M.D. | N/A | 0 | Vanderbilt University | Nashville | TN |
| 69 | | Nitya Raj, M.D. | Longcope | 2010 | Johns Hopkins Hospital | Baltimore | MD |
| 70 | | Sarath Raju, M.D. | Longcope | 2012 | | | |
| 71 | | Deepak Ramesh, M.D. | Janeway | 2012 | Johns Hopkins Hospital | Baltimore | MD |
| 72 | | Mohan Ramratnam, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 73 | | Brian Ramza, M.D. | N/A | 0 | Cardiovascular Consultants | Kansas City | MO |
| 74 | | Shaline Rao, M.D. | Longcope | 2007 | Columbia University/ NY Presbyterian | New York | NY |
| 75 | | Vishal Rao, M.D. | Longcope | 2015 | Duke University Hospital | Durham | NC |
| 76 | | Anna Raska, M.D. | N/A | 0 | | Morristown | NJ |
| 77 | | Stuart Ray, M.D. | Barker | 1990 | Johns Hopkins School of Medicine | Baltimore | MD |
| 78 | | Barry Rayburn, M.D. | N/A | 0 | Cardiovascular Associates, PC | Birmingham | AL |
| 79 | | Charles Redfern, M.D. | N/A | 0 | Oncology Associates of San Diego | San Diego | CA |
| 80 | | Robert Redner, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Bethesda | MD |
| 81 | | Paul Redstone, M.D. | N/A | 0 | University of Colorado - Denver | Aurora | CO |
| 82 | | William Redwood, M.D. | N/A | 0 | Radiation Therapy Oncology Center | Clearwater | FL |
| 83 | | Terry Rehn, M.D. | N/A | 0 | Louisiana Cardiology Associates | Baton Rouge | LA |
| 84 | | Philip Reid, M.D. | N/A | 0 | Indiana University School of Medici | Indianapolis | IN |
| 85 | | Philip Reid, M.D. | N/A | 1967 | Retired | Naples | FL |
| 86 | | Alexander Reiner, M.D. | N/A | 0 | University of Washington | Seattle | WA |
| 87 | | Dale Renlund, M.D. | N/A | 0 | University of Utah Medical Center | Salt Lake City | UT |
| 88 | | Jon Resar, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 89 | | P. Reynolds, M.D. | N/A | 0 | Johns Hopkins Hospital | Baltimore | MD |
| 90 | | Richard Reynolds, M.D. | N/A | 0 | Boca Raton Community Hospital | Boca Raton | FL |
| 91 | | Deborah Rhodes, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Rochester | MN |
| 92 | | Patricia Richards, M.D. | N/A | 0 | AlgoRx Pharmaceuticals Incorporated | New York | NY |
| 93 | | Jarrett Richardson, M.D. | N/A | 0 | Mayo Clinic | Rochester | MN |
| 94 | | David Riedel, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 95 | | David Riedel, M.D. | Janeway | 2002 | University of Maryland | Baltimore | MD |
| 96 | | Hugh Rienhoff, M.D. | N/A | 0 | | | |
| 97 | | Reed Riley, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 98 | | James Ritter, M.D. | N/A | 0 | United Medical & Dental Schools | London | England |
| 99 | | Caroline Roberts, M.D. | N/A | 0 | Johns Hopkins School of Medicine | Baltimore | MD |
| 100 | | Eve Roberts, M.D. | N/A | 0 | University of Toronto | Toronto | Ontario |