Martin Tallman
Hematology · Chicago, ILNPI 1154340792
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $24,513 of the $28,076 with a category attached, or 87.3%. 8 manufacturers reported payments, led by Jazz Pharmaceuticals Inc. at 37.1% of the total. Reporting peaked in 2019 at $22,714 and has fallen 99.7% since, to $69 in 2022.
Across 26 payments — averaging $1079.84 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Jazz Pharmaceuticals Inc.$10K
- AbbVie$7K
- Novartis$5K
- F. Hoffmann-la Roche AG$4K
- Servier Pharmaceuticals LLC$1K
- Celularity Inc.$69
- plus $60 from 2 others
Across 28 payments — averaging $25,742 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.
- Pfizer$270K
- Amgen$222K
- AbbVie$111K
- Bristol Myers Squibb$62K
- E.r. Squibb & Sons, L.L.C.$56K
- Novartis$1K
What the payments were for
- Consulting fees$24,51387%
- Speaking & faculty fees$1,4955%
- Travel & lodging$1,4285%
- Food & beverage$6412%
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 |
|---|---|---|
| Jazz Pharmaceuticals Inc. | 9 | $10,412 |
| AbbVie | 8 | $6,526 |
| Novartis | 2 | $5,364 |
| F. Hoffmann-la Roche AG | 2 | $4,149 |
| Servier Pharmaceuticals LLC | 2 | $1,495 |
| Celularity Inc. | 1 | $69 |
| Novo Nordisk Health Care AG | 1 | $41 |
| Stemline Therapeutics Inc. | 1 | $20 |
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
$28,076 in reported general payments places this provider in the 75th percentile of 49 hematology providers in Illinois.
Other hematology in Chicago
- Jayesh MehtaChicago$183K
- Celalettin UstunChicago$153K
- Kunal DesaiChicago$150K
- John QuigleyChicago$132K
- Parameswa VenugopalChicago$122K
- Nadia KhanChicago$66K
- Seema SinghalChicago$65K
- Olga FrankfurtChicago$49K
- Deborah KatzChicago$38K
- Robert SteinChicago$21K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.