Merz Pharmaceuticals, LLC: payments to clinicians
Merz Pharmaceuticals, LLC's payments to clinicians rose 57% in 2025, to $1,089,262 across 4,446 people. Speaking and faculty fees was the largest category at 41%, then food and beverage (24%). The largest single recipient (Physical Medicine & Rehabilitation, Spinal Cord Injury Medicine, South Carolina) received $75,193.
| Program year | Total | Payments | Clinicians paid |
|---|---|---|---|
| 2025 | $1,089,262 | 10,098 | 4,446 |
| 2024 | $693,164 | 7,009 | 3,393 |
Largest recipients in 2025
| # | Clinician | Specialty | Location | Amount |
|---|---|---|---|---|
| 1 | Heather Whitt Walker, M.D. | Physical Medicine & Rehabilitation, Spinal Cord Injury Medicine | North Charleston, SC | $75,193 |
| 2 | Ryan Christian Hafner, M.D. | Physical Medicine & Rehabilitation | Sarasota, FL | $60,875 |
| 3 | Laxman Bhagwan Bahroo, D.O, | Psychiatry & Neurology, Neurology | Washington, DC | $58,520 |
| 4 | Maria Cristina Ospina, MD | Psychiatry & Neurology, Neurology | Phoenix, AZ | $37,494 |
| 5 | Fiona Gupta, M.D. | Psychiatry & Neurology, Neurology | Oradell, NJ | $30,386 |
| 6 | Ramsey Andrew Falconer, M.D. | Psychiatry & Neurology, Neurology | Alexandria, VA | $29,813 |
| 7 | Todd P. Stitik, M.D. | Physical Medicine & Rehabilitation, Pain Medicine | Newark, NJ | $29,348 |
| 8 | Daniel E. Kremens, M.D., J.D. | Psychiatry & Neurology, Neurology | Philadelphia, PA | $26,665 |
| 9 | Stuart H. Isaacson, MD | Psychiatry & Neurology, Neurology | Boca Raton, FL | $26,243 |
| 10 | Monica Verduzco-Gutierrez, M.D. | Physical Medicine & Rehabilitation, Brain Injury Medicine | San Antonio, TX | $22,850 |
| 11 | Sagari Rao Bette, M.D. | Psychiatry & Neurology, Neurology | Miami, FL | $22,212 |
| 12 | Sandeep K. Thakkar, D.O. | Psychiatry & Neurology, Neurology | Irvine, CA | $22,160 |
| 13 | Pinky Agarwal, MD | Psychiatry & Neurology, Neurology | Kirkland, WA | $20,560 |
| 14 | Aasef Gulammuhammad Shaikh, M.D. | Psychiatry & Neurology, Neurology | Cleveland, OH | $19,174 |
| 15 | Michael Soileau, MD | Psychiatry & Neurology, Neurology | Georgetown, TX | $18,046 |
| 16 | William G. Ondo, M.D. | Psychiatry & Neurology, Neurology | Houston, TX | $16,985 |
| 17 | Robert Patrick Owens, M.D. | Physical Medicine & Rehabilitation, Pain Medicine | New Orleans, LA | $15,907 |
| 18 | Gerard E. Francisco, M.D. | Physical Medicine & Rehabilitation | Houston, TX | $15,399 |
| 19 | Kenneth Patrick Martinez, M.D. | Psychiatry & Neurology, Neurology | Aliso Viejo, CA | $15,247 |
| 20 | Peter J. McAllister, M.D. | Psychiatry & Neurology, Neurology | Fairfield, CT | $15,139 |
| 21 | Andrew Jason John, MD | Physical Medicine & Rehabilitation | San Francisco, CA | $15,051 |
| 22 | Jessica Ailani, MD | Psychiatry & Neurology, Neurology | Washington, DC | $14,718 |
| 23 | Ramon Luis Rodriguez-Cruz, MD | Psychiatry & Neurology, Neurology | Orlando, FL | $12,761 |
| 24 | Khashayar Dashtipour, M.D. | Psychiatry & Neurology, Neurology | Loma Linda, CA | $12,584 |
| 25 | Jason Wayne Siefferman, M.D. | Pain Medicine, Interventional Pain Medicine | New York, NY | $12,011 |
| 26 | Laren Seth Becker, MD, PHD | Internal Medicine, Gastroenterology | Stanford, CA | $11,373 |
| 27 | Michael Wayne O'Dell, MD | Physical Medicine & Rehabilitation | New York, NY | $11,300 |
| 28 | Salima Lydia Brillman, MD | Psychiatry & Neurology, Psychiatry | Sunnyvale, CA | $11,255 |
| 29 | Fan Zhang, DO | Psychiatry & Neurology, Neurology | Las Vegas, NV | $10,879 |
| 30 | Dallas A. Lea, M.D. | Physical Medicine & Rehabilitation, Spinal Cord Injury Medicine | Silver Spring, MD | $8,705 |
| 31 | Jerome P. Lisk, MD, MBA | Psychiatry & Neurology, Neurology | Denton, TX | $8,691 |
| 32 | Panagiotis Kassavetis, M.D. | Psychiatry & Neurology, Neurology | Washington, DC | $8,026 |
| 33 | John R. McGuire, MD | Physical Medicine & Rehabilitation | Milwaukee, WI | $7,984 |
| 34 | Meredith Rollins Hatcher, PA-C | Physician Assistant | Georgetown, TX | $7,751 |
| 35 | Sherrie E. Gould, N.P. | Nurse Practitioner | La Jolla, CA | $7,652 |
| 36 | Steven Escaldi, D.O. | Physical Medicine & Rehabilitation | Edison, NJ | $6,544 |
| 37 | Joshua Vova, MD | Physical Medicine & Rehabilitation, Pediatric Rehabilitation Medicine | Atlanta, GA | $6,017 |
| 38 | Yasar Torres-Yaghi, M.D. | Psychiatry & Neurology, Neurology | Washington, DC | $5,590 |
| 39 | Aashoo Pande Mentreddi, M.D. | Psychiatry & Neurology, Neurology | Dallas, TX | $5,479 |
| 40 | Bisena Bulica | Psychiatry & Neurology, Neurology | Detroit, MI | $5,082 |
| 41 | Cassandra List, M.D. | Physical Medicine & Rehabilitation | Deerfield Beach, FL | $4,982 |
| 42 | Mazen T. Elkurd, D.O. | Psychiatry & Neurology, Neurology | Dallas, TX | $4,505 |
| 43 | Jaskiran Ghuman | Physical Medicine & Rehabilitation, Brain Injury Medicine | New York, NY | $4,498 |
| 44 | Mala Young, M.D. | Physical Medicine & Rehabilitation | Ann Arbor, MI | $4,318 |
| 45 | Zehra Farzal, M.D. | Psychiatry & Neurology, Neurology | West Bloomfield, MI | $4,203 |
| 46 | Bryan Le, MD | Physical Medicine & Rehabilitation | Bronx, NY | $4,171 |
| 47 | Nina Bhupathiraju, MD | Physical Medicine & Rehabilitation | Escondido, CA | $3,925 |
| 48 | Sheng Li, MD, PHD | Physical Medicine & Rehabilitation | Houston, TX | $3,780 |
| 49 | Jose A. Urquidez, M.D. | Physical Medicine & Rehabilitation | Austin, TX | $3,714 |
| 50 | Jensine Juanita Clark | Physical Medicine & Rehabilitation | Cincinnati, OH | $3,646 |
| 51 | Bianca Martinez, MD | Physical Medicine & Rehabilitation | Manasquan, NJ | $3,038 |
| 52 | Jeffrey Li-Da Chen, M.D. | Physical Medicine & Rehabilitation, Pain Medicine | San Diego, CA | $2,746 |
| 53 | Karina Patel, PA-C | Physician Assistant | Georgetown, TX | $2,495 |
| 54 | Luis A. Lozano, PA-C | Physician Assistant | Tampa, FL | $2,451 |
| 55 | Justin Karlin | Ophthalmology | Los Angeles, CA | $2,006 |
| 56 | Trisha Pasricha, MD | Internal Medicine, Gastroenterology | Boston, MA | $1,927 |
| 57 | Charles Argoff, MD | Psychiatry & Neurology, Neurology | Albany, NY | $1,640 |
| 58 | Yikun Wang, DO | Psychiatry & Neurology, Neurology | Detroit, MI | $1,547 |
| 59 | Avery Lynne Kundrick, MD | Psychiatry & Neurology, Neurology | Cleveland, OH | $1,457 |
| 60 | Heakyung Kim, M.D. | Physical Medicine & Rehabilitation | New York, NY | $1,350 |
| 61 | Michael Alosilla Gallegos, M.D. | Psychiatry & Neurology, Neurology | West Palm Beach, FL | $1,305 |
| 62 | Ciara Marie Espinoza, M.D. | Physical Medicine & Rehabilitation | Temple, TX | $1,274 |
| 63 | Daniel Quoc Trinh, MD | Physical Medicine & Rehabilitation | Columbus, OH | $1,221 |
| 64 | Craig Zalvan, MD | Otolaryngology | Tarrytown, NY | $1,200 |
| 65 | Edwin Jesus Serrano Lopez, MD | Psychiatry & Neurology, Neurology | Columbus, OH | $1,147 |
| 66 | Cole Carter | Physical Medicine & Rehabilitation | Orono, ME | $1,145 |
| 67 | Diana Erin Hancock, MD, MBA | Psychiatry & Neurology, Neurology | Richmond, VA | $1,135 |
| 68 | Diego Rafael Torres-Russotto, MD | Psychiatry & Neurology, Neurology | Miami, FL | $1,080 |
| 69 | Eric M. Brunk, D.O. | Preventive Medicine, Aerospace Medicine | Nellis Afb, NV | $1,058 |
| 70 | Taylor Michael Drake, MD | Physical Medicine & Rehabilitation | St George, UT | $1,038 |
| 71 | Richard Kent Peairs, M.D. | Orthopaedic Surgery | Phoenix, AZ | $1,016 |
| 72 | Fernando Pagan | Psychiatry & Neurology, Neurology | Washington, DC | $729.67 |
| 73 | Julia Mary John Samuel, DNP, FNP-C | Nurse Practitioner, Family | Oklahoma City, OK | $695.29 |
| 74 | Ehsan M. Hadi, MD | Psychiatry & Neurology, Neurology | Carmichael, CA | $660.00 |
| 75 | Jessica Marie Cain, PA-C | Physician Assistant | Virginia Beach, VA | $639.13 |
| 76 | Alisha Tyson | Nurse Practitioner, Family | West Haven, CT | $511.58 |
| 77 | David Simpson, M.D. | Psychiatry & Neurology, Neurology | New York, NY | $474.67 |
| 78 | Zoltan Kalman Mari, MD | Psychiatry & Neurology, Neurology | Las Vegas, NV | $470.10 |
| 79 | Megan A. Callahan, M.D. | Psychiatry & Neurology, Neurology | Attleboro, MA | $455.86 |
| 80 | Jason Shuang Hua, DO | Physical Medicine & Rehabilitation | Houston, TX | $450.91 |
| 81 | Anthony M. Denos | Nurse Practitioner, Family | West Haven, CT | $432.54 |
| 82 | Zachary Bohart, MD | Physical Medicine & Rehabilitation | Woburn, MA | $418.05 |
| 83 | Ranbir Singh Dhillon, M.D. | Psychiatry & Neurology, Neurology | Attleboro, MA | $385.95 |
| 84 | Erin Elizabeth Watson, DO | Physical Medicine & Rehabilitation | West Springfield, MA | $376.28 |
| 85 | Maria Pilar Elisa T. Dayaw, MD | Psychiatry & Neurology, Neurology | Hopedale, MA | $367.03 |
| 86 | Miguel Xavier Escalon, M.D., MPH | Physical Medicine & Rehabilitation | New York, NY | $359.69 |
| 87 | Larisa Simkhaev, PA | Physician Assistant | Bronx, NY | $350.00 |
| 88 | Sean Lee | Psychiatry & Neurology, Neurology | Phoenix, AZ | $347.30 |
| 89 | Lubna Jafri | Psychiatry & Neurology, Neurology | Cheshire, CT | $345.32 |
| 90 | Jason Lamar Aldred, M.D. | Psychiatry & Neurology, Neurology | Spokane, WA | $343.65 |
| 91 | Bethany Calabrese, DO | Physical Medicine & Rehabilitation | West Springfield, MA | $340.10 |
| 92 | Marie Bautista Frando, M.D. | Physical Medicine & Rehabilitation | Houston, TX | $335.97 |
| 93 | Jenny Mei-Ju Lai, MD | Physical Medicine & Rehabilitation | Houston, TX | $334.70 |
| 94 | Richard Alexan-Shirabad, M.D. | Psychiatry & Neurology, Neurology | Bakersfield, CA | $328.94 |
| 95 | Mayank Shami Pathak, M.D. | Psychiatry & Neurology, Neurology | Orange, CA | $328.39 |
| 96 | Lisa Cook, MD | Psychiatry & Neurology, Neurology | Los Angeles, CA | $321.04 |
| 97 | Yakov Shaulov, MD | Psychiatry & Neurology, Neurology | New Hyde Park, NY | $320.95 |
| 98 | Bo Song, MD | Physical Medicine & Rehabilitation | Houston, TX | $320.26 |
| 99 | Maria Victoria Alvarez, M.D. | Psychiatry & Neurology, Neurology | San Antonio, TX | $318.23 |
| 100 | Sandra J. Rae, RNC,WHNP | Nurse Practitioner, Women's Health | Springfield, MA | $316.68 |
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