Genzyme Corporation: payments to clinicians
As reported by the company to CMS Open Payments (general payments).
| Program year | Total | Payments | Clinicians paid |
|---|---|---|---|
| 2025 | $42,589,619 | 203,757 | 53,172 |
| 2024 | $38,873,756 | 182,254 | 48,538 |
Largest recipients in 2025
| # | Clinician | Specialty | Location | Amount |
|---|---|---|---|---|
| 1 | Charles L. Sawyers, M.D. | Internal Medicine, Hematology & Oncology | New York, NY | $1,271,522 |
| 2 | Raj Jitendra Chovatiya, M.D., PH.D. | Dermatology | Chicago, IL | $278,929 |
| 3 | Guy Aaron Young, M.D. | Pediatrics, Pediatric Hematology-Oncology | Los Angeles, CA | $256,560 |
| 4 | Cedric J. Franklin Rutland, M.D. | Internal Medicine, Critical Care Medicine | Riverside, CA | $211,728 |
| 5 | Alexandra Kerner Golant, M.D. | Dermatology | New York, NY | $193,047 |
| 6 | Mario Castro, MD | Internal Medicine, Pulmonary Disease | Kansas City, KS | $185,389 |
| 7 | Leonard B. Bacharier, MD | Pediatrics, Pediatric Allergy/Immunology | Nashville, TN | $183,281 |
| 8 | Maeve E. O'Connor, MD | Allergy & Immunology | Charlotte, NC | $172,494 |
| 9 | Nicola Hanania, MD | Internal Medicine, Pulmonary Disease | Houston, TX | $154,962 |
| 10 | Michael Ephraim Wechsler, MD | Internal Medicine, Pulmonary Disease | Denver, CO | $150,185 |
| 11 | Ankit Nikhil Mehta, M.D. | Internal Medicine, Nephrology | Dallas, TX | $149,974 |
| 12 | Bob Geng, M.D. | Allergy & Immunology | San Diego, CA | $143,574 |
| 13 | Adam Friedman, M.D. | Dermatology | Washington, DC | $130,225 |
| 14 | Maissaa Janbain | Internal Medicine, Hematology & Oncology | New Orleans, LA | $128,905 |
| 15 | Marshall Jasper Shuler, M.D. | Dermatology | Greenville, SC | $128,871 |
| 16 | Roheen Raithatha, M.D. | Otolaryngology | New York, NY | $127,520 |
| 17 | Lawrence F. Eichenfield, M.D. | Dermatology, Pediatric Dermatology | San Diego, CA | $126,577 |
| 18 | Jason Ezra Hawkes, MD, MS | Dermatology | Portland, OR | $125,485 |
| 19 | Paul Feuerstadt, M.D. | Internal Medicine, Gastroenterology | Hamden, CT | $125,237 |
| 20 | Diego Ruiz Dasilva, MD | Dermatology | Virginia Beach, VA | $124,950 |
| 21 | Antonio Anzueto, MD | Internal Medicine, Pulmonary Disease | San Antonio, TX | $124,287 |
| 22 | Steven White | Internal Medicine, Pulmonary Disease | Chicago, IL | $122,182 |
| 23 | Eric Lawrence Simpson, MD | Dermatology | Portland, OR | $121,152 |
| 24 | Autumn Ford Burnette, MD | Internal Medicine, Allergy & Immunology | Washington, DC | $120,025 |
| 25 | Jennifer Lin Hsiao, M.D. | Dermatology | Los Angeles, CA | $119,721 |
| 26 | Nicole M. Chase, MD | Allergy & Immunology | Saint Paul, MN | $118,501 |
| 27 | Scott Herbert Beegle, M.D. | Internal Medicine | Albany, NY | $117,803 |
| 28 | Ayesha Naz Khalid, M.D. | Otolaryngology | Concord, MA | $116,345 |
| 29 | Maya Devi Srivastava, MS MD PHD | Internal Medicine, Gastroenterology | Williamsville, NY | $114,480 |
| 30 | Ein Gun Song, M.D. | Dermatology, MOHS-Micrographic Surgery | Mill Creek, WA | $114,253 |
| 31 | Bryan G. Sauer, MD | Internal Medicine, Gastroenterology | Charlottesville, VA | $114,235 |
| 32 | Arjuna Kuperan, MD | Otolaryngology | Houston, TX | $114,124 |
| 33 | Marcjonathan Serota, M.D. | Dermatology | Littleton, CO | $113,353 |
| 34 | Jennifer Carroll Fulton, MD | Internal Medicine, Pulmonary Disease | Jacksonville, FL | $112,429 |
| 35 | Brian Machler, MD | Dermatology | Florham Park, NJ | $112,072 |
| 36 | Rabih Samir Halabi, MD | Internal Medicine, Pulmonary Disease | Falls Church, VA | $111,246 |
| 37 | David Cotter, MD, PHD | Dermatology | Las Vegas, NV | $110,651 |
| 38 | Robert Jason Sporter, MD | Allergy & Immunology | New York, NY | $110,633 |
| 39 | Maryam Banikazemi, MD | Medical Genetics, Ph.D. Medical Genetics | Valhalla, NY | $109,833 |
| 40 | Michael Patrick Krease, D.O. | Internal Medicine, Gastroenterology | Louisville, KY | $109,165 |
| 41 | Ahmad Zamael Amin, M.D. | Dermatology | Naperville, IL | $108,968 |
| 42 | Cynthia Jean Trickett, PA-C | Physician Assistant | Dallas, TX | $108,755 |
| 43 | Gregory Stephen Sayuk, MD | Internal Medicine, Gastroenterology | Saint Louis, MO | $108,753 |
| 44 | Matthew Ryan Sharpe, M.D. | Internal Medicine, Pulmonary Disease | Kansas City, KS | $108,656 |
| 45 | John Scott Vanloock, M.D. | Dermatology | Mobile, AL | $107,774 |
| 46 | Juan B. Iribarren, MD | Internal Medicine, Pulmonary Disease | Beaumont, TX | $107,445 |
| 47 | Samuel Louie, M.D. | Internal Medicine, Pulmonary Disease | Sacramento, CA | $107,181 |
| 48 | Joseph William Ray, M.D. | Medical Genetics, Clinical Genetics (M.D.) | Galveston, TX | $106,347 |
| 49 | Joseph Elias Khabbaza, M.D. | Internal Medicine, Pulmonary Disease | Akron, OH | $106,099 |
| 50 | Emily Marie Becker, M.D. | Dermatology | San Antonio, TX | $105,889 |
| 51 | Phani Ashok Attaluri, M.D. | Internal Medicine, Gastroenterology | Olathe, KS | $105,525 |
| 52 | Tariq Javed Cheema, MD | Internal Medicine, Pulmonary Disease | Pittsburgh, PA | $105,402 |
| 53 | Raffi Tachdjian, M.D. | Allergy & Immunology | Santa Monica, CA | $105,097 |
| 54 | Pearl Chu Kwong, MD PHD | Dermatology, Pediatric Dermatology | Jacksonville, FL | $104,852 |
| 55 | David M. Yen, M.D. | Specialist | Bethlehem, PA | $104,549 |
| 56 | Yamen Smadi, M.D | Pediatrics, Pediatric Gastroenterology | Orlando, FL | $103,523 |
| 57 | John Leung, M.D. | Internal Medicine, Gastroenterology | Boston, MA | $103,360 |
| 58 | Michael C. Cameron | Dermatology | New York, NY | $103,124 |
| 59 | Sarina Berger Elmariah, M.D, PH.D | Dermatology | San Francisco, CA | $103,017 |
| 60 | Vanessa Karina Salinas-Luna, MD | Pediatrics, Pediatric Hematology-Oncology | Orange, CA | $102,029 |
| 61 | Kibwei A. McKinney, MD | Otolaryngology | Oklahoma City, OK | $101,631 |
| 62 | Benjamin Robert Kuhn, D.O. | Pediatrics, Pediatric Gastroenterology | Charleston, SC | $100,802 |
| 63 | Nicholas Kian Mollanazar, MD, MBA | Dermatology | Philadelphia, PA | $100,482 |
| 64 | Christina J. Hanson, R.N | Nurse Practitioner | Lone Tree, CO | $99,429 |
| 65 | Douglas Kress, MD | Dermatology | Wexford, PA | $99,273 |
| 66 | Abhijit Ajitkumar Raval, MD | Internal Medicine, Critical Care Medicine | Anderson, SC | $98,804 |
| 67 | Jeffrey C. Bedrosian, MD | Otolaryngology | Portland, ME | $98,391 |
| 68 | Elizabeth A. Swanson, M.D. | Dermatology, Pediatric Dermatology | Meridian, ID | $98,019 |
| 69 | Amit Bharara, MD | Internal Medicine, Pulmonary Disease | Schaumburg, IL | $97,783 |
| 70 | Adam Updegraff, DO | Allergy & Immunology | Toledo, OH | $96,214 |
| 71 | Jenny Eileen Murase, M.D. | Dermatology | Mountain View, CA | $94,537 |
| 72 | Rishi Dilipkumar Naik, M.D. | Internal Medicine, Gastroenterology | Nashville, TN | $92,398 |
| 73 | Benjamin Nathaniel Lockshin, MD | Dermatology | Silver Spring, MD | $92,274 |
| 74 | Tammuella Evelyn Chrisentery-Singleton, MD | Pediatrics, Pediatric Hematology-Oncology | New Orleans, LA | $92,057 |
| 75 | Ariel F. Grajales-Cruz | Internal Medicine, Hematology & Oncology | Tampa, FL | $91,182 |
| 76 | Peter A. Lio, M.D. | Dermatology | Chicago, IL | $90,811 |
| 77 | Jayant Pinto | Otolaryngology | Chicago, IL | $90,300 |
| 78 | Andrea G. Espinoza, M.D. | Internal Medicine, Pulmonary Disease | Houma, LA | $89,518 |
| 79 | Jonathan Ian Silverberg, MD, PHD, MPH | Dermatology | Washington, DC | $89,249 |
| 80 | Omar Noor, M.D. | Student in an Organized Health Care Education/Training Program | Somerset, NJ | $88,608 |
| 81 | Ujwala Kaza, M.D. | Allergy & Immunology | New York, NY | $88,411 |
| 82 | Bryan J. Krajicek, M.D. | Internal Medicine, Pulmonary Disease | Council Bluffs, IA | $88,389 |
| 83 | Akshat Jain, MD | Pediatrics, Pediatric Hematology-Oncology | Redlands, CA | $88,356 |
| 84 | Carsten R. Hamann, MD | Dermatology | Phoenix, AZ | $88,210 |
| 85 | Lawrence M. Dubuske, M.D. | Internal Medicine, Allergy & Immunology | Washington, DC | $88,091 |
| 86 | Doris Quon, M.D. | Internal Medicine, Hematology | Los Angeles, CA | $87,655 |
| 87 | Marcus McFerren, MD, PHD | Dermatology | Orange, CT | $87,170 |
| 88 | Vivek Sharma, MD | Internal Medicine, Hematology & Oncology | Louisville, KY | $87,005 |
| 89 | Tina Bhutani-Jacques, MD | Dermatology | San Francisco, CA | $86,641 |
| 90 | Matthew W. Ryan, M.D. | Otolaryngology | Galveston, TX | $85,095 |
| 91 | Walter Liszewski, MD | Dermatology | Chicago, IL | $84,968 |
| 92 | Rodney S. Daniel, MD MSCR | Internal Medicine, Rheumatology | Oldsmar, FL | $84,645 |
| 93 | Ravi Kamath, M.D., PH.D. | Radiology, Diagnostic Radiology | Fairfax, VA | $84,568 |
| 94 | Steven W. Pipe, MD | Pediatrics, Pediatric Hematology-Oncology | Ann Arbor, MI | $84,324 |
| 95 | Thinesh Dahanayake, MD | Internal Medicine, Pulmonary Disease | Norwich, CT | $83,493 |
| 96 | Justine Ryu, M.D. | Internal Medicine, Hematology & Oncology | Orange, CT | $82,500 |
| 97 | William Charles Cole Claiborne, M.D., M.P.H. | Dermatology | New Orleans, LA | $81,836 |
| 98 | Brian S. Kim, MD | Dermatology | Saint Louis, MO | $81,701 |
| 99 | Thomas Wallach, MD | Pediatrics, Pediatric Gastroenterology | New York, NY | $81,178 |
| 100 | Matthew James Zirwas, MD | Dermatology | Bexley, OH | $80,434 |
Open Payments covers payments from drug and device makers to physicians, physician assistants, nurse practitioners and some other clinicians: meals, travel, consulting and speaking fees, education and similar. Receiving payments does not imply wrongdoing, and amounts can include payments disputed by the recipient. Source: CMS Open Payments general payment data. Original records:openpaymentsdata.cms.gov.