Isaac Melamed, MD
Allergy/ Immunology · Centennial, CONPI 1366480816
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $486,000 of the $530,062 with a category attached, or 91.7%. Octapharma USA, Inc. accounts for 93.6% of it on its own, with 38 other manufacturers making up the rest. 2025 is the largest year on record at $353,239, more than ten times the $11,883 reported in 2019.
Across 298 payments — averaging $1778.73 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Octapharma USA, Inc.$496K
- Pharming Healthcare, Inc.$11K
- Consortium Of Independent Immunology Clinics, LLC$10K
- CSL Behring$3K
- LEO Pharma Inc.$2K
- Pfizer$2K
- plus $6K from 33 others
Across 970 payments — averaging $3093.88 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.
- Octapharma USA, Inc.$484K
- ADMA Biomanufacturing LLC$441K
- Pharming Healthcare, Inc.$370K
- Acadia Pharmaceuticals Inc$314K
- Janssen Research & Development, LLC$190K
- F. Hoffmann-la Roche AG$126K
- plus $1.1M from 25 others
Across 2 payments — averaging $3978.50 each. An ownership or investment interest held by the physician or an immediate family member.
- Consortium Of Independent Immunology Clinics, LLC$8K
What the payments were for
- Consulting fees$14,5953%
- Speaking & faculty fees$486,00092%
- Travel & lodging$19,2634%
- Food & beverage$9,6182%
- Education$5870%
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.
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.
How this compares
Too few allergy/ immunology providers in Coloradoto place this figure against a meaningful peer group, so we don't.
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 |
|---|---|---|
| Dupixent SyringeDupilumab | 15 | $60,014 |
| Nitazoxanide | 28 | $18,329 |
| Cromolyn Sodium | 34 | $7,994 |
| Breo ElliptaFluticasone/Vilanterol | 14 | $6,861 |
| SymbicortBudesonide/Formoterol Fumarate | 18 | $4,681 |
| Hydroxychloroquine Sulfate | 40 | $1,269 |
| CholestyramineCholestyramine (With Sugar) | 19 | $1,052 |
| Diphenhydramine Hcl | 19 | $939 |
| Armour ThyroidThyroid,pork | 11 | $518 |
| Doxycycline Hyclate | 21 | $420 |
| ValacyclovirValacyclovir Hcl | 17 | $402 |
| Dapsone | 11 | $336 |
| Azithromycin | 44 | $240 |
| Montelukast Sodium | 29 | $221 |
| Levocetirizine Dihydrochloride | 23 | $186 |
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 |
|---|---|---|
| Cycle Pharmaceuticals IncCromolyn Sodium | $104 | $7,99434 claims |
| GSKBreo Ellipta | $196 | $6,86114 claims |
| AstraZenecaSymbicort | $362 | $4,68118 claims |
| AbbVieArmour Thyroid | $100 | $51811 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. There are too few allergy/ immunology providers in Coloradoon file to place this against a meaningful peer group, so we don't.
Other allergy/ immunology in Centennial
- Mark EbadiDenver$3K
- Laura Ann WangAurora$0
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.