Ionis Pharmaceuticals, Inc.: payments to clinicians
2,700 clinicians received $3,272,351 from Ionis Pharmaceuticals, Inc. in 2025; Internal Medicine, Cardiovascular Disease is the most common specialty among the largest recipients. Most of it (70%) was speaking and faculty fees, then consulting fees (19%). The largest single recipient (Internal Medicine, Cardiovascular Disease, Massachusetts) received $903,929.
| Program year | Total | Payments | Clinicians paid |
|---|---|---|---|
| 2025 | $3,272,351 | 5,559 | 2,700 |
Largest recipients in 2025
| # | Clinician | Specialty | Location | Amount |
|---|---|---|---|---|
| 1 | Joseph Loscalzo, MD PHD | Internal Medicine, Cardiovascular Disease | Boston, MA | $903,929 |
| 2 | Spencer Robert Berthelsen, MD | Internal Medicine | Sugar Land, TX | $891,083 |
| 3 | Raffi Tachdjian, M.D. | Allergy & Immunology | Santa Monica, CA | $111,242 |
| 4 | Benjamin M. Philpott, M.D. | Family Medicine | Rocky Mount, VA | $64,160 |
| 5 | Joseph Gerard Gleeson, M.D. | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | San Diego, CA | $60,025 |
| 6 | Seth J. Baum, MD | Internal Medicine, Cardiovascular Disease | Boca Raton, FL | $55,752 |
| 7 | Jon Leslie Ruckle, M.D. | Internal Medicine | Tacoma, WA | $54,705 |
| 8 | H J. Wedner, MD | Internal Medicine, Allergy & Immunology | Saint Louis, MO | $33,618 |
| 9 | Autumn Ford Burnette, MD | Internal Medicine, Allergy & Immunology | Washington, DC | $30,996 |
| 10 | Michael S. Rafii, M.D., PH.D. | Psychiatry & Neurology, Neurology | La Jolla, CA | $25,920 |
| 11 | Steve M. Dorman, MD | Allergy & Immunology | Jacksonville, FL | $24,267 |
| 12 | Theodore Edward Kelbel, M.D. | Allergy & Immunology | Grand Rapids, MI | $23,336 |
| 13 | David A. Kaufman, M.D. | Allergy & Immunology | Shreveport, LA | $22,436 |
| 14 | Cristine Radojicic, MD | Allergy & Immunology | Durham, NC | $21,963 |
| 15 | David Joseph Amrol, M.D. | Internal Medicine, Allergy & Immunology | Columbia, SC | $21,510 |
| 16 | Mark Scarupa, M.D. | Allergy & Immunology | Wheaton, MD | $19,477 |
| 17 | Andres Gelrud, M.D. | Internal Medicine, Gastroenterology | Miami, FL | $19,371 |
| 18 | Douglas Nordli, MD | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Chicago, IL | $18,900 |
| 19 | Nicholas Cohen Kolinsky, DO | Allergy & Immunology | Maryville, TN | $18,541 |
| 20 | Mark C. Glaum, M.D., PH.D. | Internal Medicine, Allergy & Immunology | Tampa, FL | $18,232 |
| 21 | James W. Sublett, M.D. | Allergy & Immunology | Louisville, KY | $16,672 |
| 22 | Bob Geng, M.D. | Allergy & Immunology | San Diego, CA | $16,489 |
| 23 | Michael Everett Manning, MD | Allergy & Immunology | Scottsdale, AZ | $16,272 |
| 24 | Rohit Loomba, MD | Internal Medicine | La Jolla, CA | $16,134 |
| 25 | James A. Underberg, MD | Internal Medicine | New York, NY | $16,011 |
| 26 | Jacob Offenberger, MD | Allergy & Immunology | Granada Hills, CA | $15,620 |
| 27 | James A. Trippi, MD | Internal Medicine, Cardiovascular Disease | Indianapolis, IN | $15,407 |
| 28 | Douglas Harry Jones, M.D. | Allergy & Immunology, Allergy | Murray, UT | $15,162 |
| 29 | Nicholas A. Marston, M.D. | Internal Medicine, Cardiovascular Disease | Boston, MA | $14,556 |
| 30 | Paul Barton Duell, MD | Internal Medicine, Endocrinology, Diabetes & Metabolism | Portland, OR | $14,399 |
| 31 | Andrew M. Freeman, MD | Internal Medicine, Cardiovascular Disease | Denver, CO | $14,351 |
| 32 | Joshua Samuel Jacobs, MD | Allergy & Immunology, Allergy | Walnut Creek, CA | $14,334 |
| 33 | Savitha Subramanian | Internal Medicine, Endocrinology, Diabetes & Metabolism | Seattle, WA | $14,119 |
| 34 | Huamin Henry Li, MD, PHD | Allergy & Immunology, Allergy | Wheaton, MD | $14,003 |
| 35 | Maeve E. O'Connor, MD | Allergy & Immunology | Charlotte, NC | $13,958 |
| 36 | Robert Daniel Fishberg, MD | Internal Medicine, Cardiovascular Disease | Springfield, NJ | $13,755 |
| 37 | Francisco Lopez-Jimenez, M.D. | Internal Medicine, Cardiovascular Disease | Rochester, MN | $13,742 |
| 38 | Aman Rajpal | Internal Medicine, Endocrinology, Diabetes & Metabolism | Oakland, CA | $13,559 |
| 39 | Shahnaz Fatteh, MD | Allergy & Immunology | Plantation, FL | $13,397 |
| 40 | Theron Garrick McCormick, MD | Pediatrics, Pediatric Allergy/Immunology | Baton Rouge, LA | $13,188 |
| 41 | Danny John Eapen, M.D. | Internal Medicine, Cardiovascular Disease | Houston, TX | $13,116 |
| 42 | Daniel Fletcher Soteres, MD | Allergy & Immunology, Allergy | Colorado Springs, CO | $13,092 |
| 43 | Christopher J. Keary, M.D. | Psychiatry & Neurology, Psychiatry | Boston, MA | $13,042 |
| 44 | Isabella Herman, MD, PHD | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Boys Town, NE | $12,963 |
| 45 | William Raymond Lumry, M.D. | Specialist | Dallas, TX | $12,718 |
| 46 | Jonathan Field, MD | Internal Medicine | New York, NY | $12,395 |
| 47 | Jamie P. Dwyer Jr., M.D. | Internal Medicine, Nephrology | Nashville, TN | $12,350 |
| 48 | Nitin Agarwal, M.B.B.S | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Saint Paul, MN | $12,310 |
| 49 | James M. Tracy, D.O. | Allergy & Immunology | Omaha, NE | $12,094 |
| 50 | John Talyor Anderson, M.D. | Allergy & Immunology | Homewood, AL | $12,014 |
| 51 | Helena W. Rodbard, M.D. | Internal Medicine, Endocrinology, Diabetes & Metabolism | Rockville, MD | $11,750 |
| 52 | Timothy J. Craig, DO | Allergy & Immunology | Hershey, PA | $10,914 |
| 53 | Cesar A. Ochoa-Lubinoff, M.D. | Pediatrics | Los Angeles, CA | $10,621 |
| 54 | Dharmesh S. Patel, MD | Internal Medicine, Cardiovascular Disease | Southaven, MS | $10,584 |
| 55 | Matthew J. Budoff, M.D. | Internal Medicine, Cardiovascular Disease | Torrance, CA | $10,207 |
| 56 | Norman Lepor, M.D. | Specialist | Beverly Hills, CA | $10,131 |
| 57 | Jay Michael Kashkin, MD | Allergy & Immunology, Allergy | Fair Lawn, NJ | $9,999 |
| 58 | Jeffrey Scot Rumbyrt, M. D. | Allergy & Immunology | Lakewood, CO | $9,662 |
| 59 | Jason P. Raasch, MD | Allergy & Immunology | Plymouth, MN | $9,610 |
| 60 | Alan Steven Brown, MD | Internal Medicine, Cardiovascular Disease | Naperville, IL | $9,498 |
| 61 | Jean-Baptiste Le Pichon, M.D., PH.D. | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Topeka, KS | $9,327 |
| 62 | Priya J. Bansal, M.D., | Allergy & Immunology | Saint Charles, IL | $8,905 |
| 63 | Marc Andrew Riedl, MD | Allergy & Immunology | San Diego, CA | $8,828 |
| 64 | Dareen D. Siri, M.D. | Internal Medicine, Allergy & Immunology | Normal, IL | $8,718 |
| 65 | David Jeremy Davidson, MD | Internal Medicine, Cardiovascular Disease | Bannockburn, IL | $8,659 |
| 66 | Henry Ginsberg, M.D. | Internal Medicine, Endocrinology, Diabetes & Metabolism | New York, NY | $8,469 |
| 67 | Pam Rajendran Taub, MD | Internal Medicine, Cardiovascular Disease | La Jolla, CA | $7,959 |
| 68 | NPI 1699791491 | — | $7,872 | |
| 69 | Katherine J. Zappia, MD, PHD | Psychiatry & Neurology, Child & Adolescent Psychiatry | Cincinnati, OH | $7,238 |
| 70 | Gerald V. Raymond, M.D. | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Baltimore, MD | $7,150 |
| 71 | Paul David Rosenblit, M.D. | Internal Medicine, Endocrinology, Diabetes & Metabolism | Huntington Beach, CA | $6,926 |
| 72 | Vandana K. Patel, M.D. | Allergy & Immunology | Charlotte, NC | $6,782 |
| 73 | Bonnie S. Appler, PA-C | Physician Assistant | Jacksonville, FL | $6,485 |
| 74 | Richard C. Becker, MD | Internal Medicine, Cardiovascular Disease | Cincinnati, OH | $5,900 |
| 75 | Michael John Wilkinson, M.D. | Internal Medicine, Cardiovascular Disease | San Diego, CA | $5,793 |
| 76 | Gargi Patel | Allergy & Immunology | Piscataway, NJ | $5,582 |
| 77 | Venkata Sandeep Akshintala, M.D. | Internal Medicine, Gastroenterology | Baltimore, MD | $5,100 |
| 78 | James Mastrianni | Psychiatry & Neurology, Neurology | Chicago, IL | $4,500 |
| 79 | Andrew Smith, MD | Allergy & Immunology | Sandy, UT | $4,336 |
| 80 | Horacio Kaufmann, M.D. | Psychiatry & Neurology, Neurology | New York, NY | $4,200 |
| 81 | Jeffrey Alan Kaye, MD | Psychiatry & Neurology, Neurology | Portland, OR | $4,000 |
| 82 | Jean Audrey Nelson, FNP-C | Allergy & Immunology | Scottsdale, AZ | $3,630 |
| 83 | Ahmad Mohammad Amin Masri, M.D | Internal Medicine, Cardiovascular Disease | Portland, OR | $3,140 |
| 84 | Wolfgang Singer, M.D. | Psychiatry & Neurology, Neurology | Rochester, MN | $2,990 |
| 85 | James W. Freston, M.D. | Internal Medicine, Gastroenterology | Farmington, CT | $2,925 |
| 86 | Paula J. Busse, MD | Internal Medicine, Allergy & Immunology | New York, NY | $2,780 |
| 87 | Melissa B. Ramocki, M.D., PH. D. | Psychiatry & Neurology, Neurology | E Greenwich, RI | $2,613 |
| 88 | Eliot Ashby Brinton, MD | Internal Medicine, Endocrinology, Diabetes & Metabolism | Salt Lake City, UT | $2,499 |
| 89 | Jennifer Armstrong, MD | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Aurora, CO | $2,000 |
| 90 | Elizabeth Routh Jalazo, M.D. | Pediatrics | Chapel Hill, NC | $2,000 |
| 91 | Lynne Marie Bird, M.D. | Medical Genetics, Clinical Genetics (M.D.) | San Diego, CA | $1,824 |
| 92 | David Nathan Lieberman, M.D., PH.D. | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Boston, MA | $1,613 |
| 93 | Alise Kathryn Carlson, M.D. | Psychiatry & Neurology, Neurology | Cleveland, OH | $1,600 |
| 94 | Davut Pehlivan, M.D. | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Houston, TX | $1,515 |
| 95 | Cristina Juliana Ramos, M.D | Allergy & Immunology | San Juan, PR | $1,502 |
| 96 | Margarita Saenz, MD | Medical Genetics, Clinical Genetics (M.D.) | Aurora, CO | $1,496 |
| 97 | Constance Smith-Hicks, M.D. | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Baltimore, MD | $1,456 |
| 98 | Eric D. Marsh, M.D. | Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology | Philadelphia, PA | $1,429 |
| 99 | Erin O'Connor Prange, MSN, CRNP | Nurse Practitioner, Pediatrics | Philadelphia, PA | $1,354 |
| 100 | Archna Bajaj, MD | Internal Medicine | Philadelphia, PA | $1,288 |
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