Randy Zelen, MD
Nephrology · Meadville, PANPI 1831192145
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 94.1% of the total across 42 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 17 manufacturers reported payments, led by Fresenius USA Marketing, Inc. at 25.2% of the total. Reporting peaked in 2019 at $282 and has fallen 93.2% since, to $19 in 2025.
Across 42 payments — averaging $20.04 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Fresenius USA Marketing, Inc.$212
- AstraZeneca$147
- Vifor Pharma, Inc.$113
- Bard Peripheral Vascular, Inc.$59
- Amgen$49
- Daiichi Sankyo Inc.$34
- plus $227 from 11 others
Across 1 payment — averaging $500.00 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.
- Amgen$500
What the payments were for
- Food & beverage$79294%
- Education$506%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Fresenius USA Marketing, Inc. | 7 | $212 |
| AstraZeneca(2 entities) | 8 | $147 |
| Vifor Pharma, Inc. | 8 | $113 |
| Bard Peripheral Vascular, Inc. | 1 | $59 |
| Amgen | 3 | $49 |
| Daiichi Sankyo Inc. | 2 | $34 |
| Baxter Healthcare | 2 | $34 |
| Boehringer Ingelheim | 1 | $25 |
| Bayer | 2 | $25 |
| Strongbridge US Inc. | 1 | $25 |
| Mallinckrodt Hospital Products Inc. | 1 | $22 |
| Hikma Pharmaceuticals USA | 1 | $22 |
| Sanofi | 1 | $20 |
| Akebia Therapeutics Inc | 1 | $15 |
| Otsuka America Pharmaceutical, Inc. | 1 | $14 |
| GSK | 1 | $13 |
| Novartis | 1 | $13 |
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.
- Velphoro$115
How this compares
$841 in reported general payments places this provider in the 55th percentile of 586 nephrology 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 |
|---|---|---|
| Labetalol Hcl | 129 | $3,677 |
| Bumetanide | 108 | $2,862 |
| Calcium Acetate | 46 | $2,854 |
| Diltiazem 24hr Er (Cd)Diltiazem Hcl | 26 | $1,883 |
| Atorvastatin Calcium | 68 | $1,146 |
| Tamsulosin Hcl | 40 | $1,100 |
| Nifedipine ErNifedipine | 19 | $617 |
| Irbesartan | 13 | $419 |
| Chlorthalidone | 30 | $414 |
| Lisinopril | 45 | $328 |
| Losartan Potassium | 43 | $293 |
| Carvedilol | 44 | $254 |
| Omeprazole | 24 | $231 |
| Allopurinol | 33 | $213 |
| Amlodipine Besylate | 79 | $211 |
Paid to pharmacies, not to this prescriber.
Other nephrology in Meadville
- Nelson KopytAllentown$949K
- Christopher GislerPittsburgh$757K
- Rakesh GulatiPhiladelphia$657K
- Raymond TownsendPhiladelphia$357K
- Prince AnandDanville$331K
- Ellie KelepourisPhiladelphia$287K
- Jonathan DiamondHarrisburg$249K
- Abdallahsassine GearaPhiladelphia$225K
- Khaled NasharPittsburgh$198K
- Katalin SusztakPhiladelphia$192K
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.