Clyde Markowitz, MD
Neurology · Philadelphia, PANPI 1417981135
Payments from drug & device makers
Across 394 payments — averaging $1226.94 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Roche Products Limited$110K
- Novartis$106K
- Genentech USA, Inc.$95K
- Amgen$21K
- Biogen$20K
- Hoffmann-la Roche Limited$18K
- plus $113K from 20 others
Across 1 payment — averaging $1589.31 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- F. Hoffmann-la Roche AG$2K
What the payments were for
- Consulting fees$194,71371%
- Speaking & faculty fees$37,45714%
- Travel & lodging$23,8239%
- Food & beverage$17,8627%
- Education$860%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Roche Products Limited | 18 | $110,198 |
| Novartis | 50 | $106,226 |
| Genentech USA, Inc. | 83 | $94,928 |
| Amgen(2 entities) | 27 | $21,151 |
| Biogen | 31 | $20,215 |
| Hoffmann-la Roche Limited | 9 | $17,623 |
| Bristol Myers Squibb | 41 | $16,554 |
| EMD Serono, Inc. | 48 | $16,542 |
| TG Therapeutics, Inc. | 26 | $14,835 |
| AstraZeneca | 18 | $10,758 |
| Sanofi | 7 | $7,470 |
| Mylan Institutional Inc. | 4 | $6,564 |
| Greenwich Biosciences, Inc. | 1 | $5,863 |
| GSK | 1 | $5,850 |
| Genentech, Inc. | 6 | $5,471 |
| E.r. Squibb & Sons, L.L.C. | 4 | $5,272 |
| Janssen Global Services, LLC | 5 | $3,283 |
| ANI Pharmaceuticals, Inc. | 2 | $2,900 |
| Johnson & Johnson | 2 | $2,640 |
| Janssen Research & Development, LLC | 3 | $2,200 |
| Cycle Pharmaceuticals Inc | 1 | $2,053 |
| F. Hoffmann-la Roche AG | 1 | $1,715 |
| Janssen Scientific Affairs, LLC | 1 | $1,320 |
| Banner Life Sciences, LLC | 1 | $900 |
| Bayer | 3 | $849 |
| Teva Pharmaceuticals USA, Inc. | 1 | $35 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
- OCREVUS$73,516
- KESIMPTA$24,662
- UPLIZNA$20,634
- BRIUMVI$12,806
- TECFIDERA$12,035
- Non-Covered Product$10,809
- Ozanimod$9,719
- Mavenclad$9,216
- Glatiramer Acetate$6,487
- TYSABRI$6,349
- SHINGRIX$5,850
- ZEPOSIA$5,347
- PURIFIED CORTROPHIN GEL$2,850
- Vumerity$2,802
- AUBAGIO$2,457
- Nityr$2,053
- Ponvory$1,320
- Bafiertam$900
- Betaseron$780
- MAYZENT$458
How this compares
$483,415 in reported general payments places this provider in the 95th percentile of 941 neurology providers in Pennsylvania.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| CopaxoneGlatiramer Acetate | 255 | $1,700,196 |
| Kesimpta PenOfatumumab | 97 | $992,305 |
| Avonex Pen (4 Pack)Interferon Beta-1a | 79 | $652,360 |
| BetaseronInterferon Beta-1b | 45 | $415,745 |
| GilenyaFingolimod Hcl | 14 | $146,279 |
| Avonex (4 Pack)Interferon Beta-1a | 17 | $144,703 |
| VumerityDiroximel Fumarate | 14 | $138,050 |
| AubagioTeriflunomide | 14 | $131,111 |
| Glatiramer Acetate | 21 | $80,953 |
| Dalfampridine ErDalfampridine | 101 | $50,321 |
| Teriflunomide | 18 | $23,694 |
| FingolimodFingolimod Hcl | 29 | $7,323 |
| Gabapentin | 118 | $3,421 |
| Modafinil | 44 | $2,928 |
| Baclofen | 90 | $2,845 |
Paid to pharmacies, not to this prescriber.
Companies that both paid and supply prescribed drugs
These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.
| Company | Paid to this provider | Part D cost of their drugs |
|---|---|---|
| Teva Pharmaceuticals USA, Inc.Copaxone | $35 | $1,700,196255 claims |
| BayerBetaseron | $849 | $415,74545 claims |
| BiogenAvonex (4 Pack), Vumerity | $20,215 | $282,75431 claims |
| NovartisGilenya | $106,226 | $146,27914 claims |
| SanofiAubagio | $7,470 | $131,11114 claims |
| Mylan Institutional Inc.Glatiramer Acetate | $6,564 | $80,95321 claims |
Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 95th percentile of 941 neurology providers in Pennsylvania.
Other neurology in Philadelphia
- Amit Bar-OrPhiladelphia$7.7M
- Thomas LeistPhiladelphia$5.8M
- Lauren ElmanPhiladelphia$3.3M
- David IrwinPhiladelphia$2.5M
- Daniel KremensPhiladelphia$1.9M
- Frances JensenPhiladelphia$1.8M
- Andres Deik Acosta MadiedoPhiladelphia$1.8M
- Michael SperlingPhiladelphia$1.7M
- Sanjeev VaishnaviPhiladelphia$1.6M
- Andrew SiderowfPhiladelphia$1.4M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.