Karla Holtzman
Medical · Naperville, ILNPI 1851544936
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $4,633 of the $5,476 with a category attached, or 84.6%. It is spread thinly across 43 manufacturers, the largest accounting for just 16.5% — the pattern of someone who eats at a lot of different presentations.
Across 224 payments — averaging $24.44 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Biohaven Pharmaceuticals, Inc.$906
- AbbVie$852
- Novo Nordisk$510
- Lilly USA, LLC$482
- Pfizer$398
- Axsome Therapeutics, Inc.$187
- plus $2K from 37 others
What the payments were for
- Consulting fees$80015%
- Travel & lodging$431%
- Food & beverage$4,63385%
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.
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.
- NURTEC ODT$800
- VRAYLAR$124
- ZENPEP$123
How this compares
$5,476 in reported general payments places this provider in the 85th percentile of 449 medical providers in Illinois.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| ConcertaMethylphenidate Hcl | 11 | $5,488 |
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 73 | $1,095 |
| Bupropion XlBupropion Hcl | 16 | $524 |
| Albuterol Sulfate HfaAlbuterol Sulfate | 12 | $502 |
| Escitalopram Oxalate | 28 | $472 |
| Rosuvastatin Calcium | 39 | $449 |
| Olmesartan Medoxomil | 23 | $343 |
| Pantoprazole Sodium | 24 | $340 |
| Levothyroxine Sodium | 34 | $336 |
| Metoprolol Succinate | 27 | $330 |
| Amlodipine Besylate | 42 | $324 |
| Montelukast Sodium | 34 | $319 |
| Alprazolam | 49 | $291 |
| Atorvastatin Calcium | 40 | $250 |
| Gabapentin | 15 | $247 |
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 |
|---|---|---|
| Johnson & JohnsonConcerta | $25 | $5,48811 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 85th percentile of 449 medical providers in Illinois.
Other medical in Naperville
- Andrea TurekChicago$145K
- Priya BediElmhurst$56K
- Jennifer GarsonChicago$32K
- Bernice JohnsonPalos Heights$32K
- William KvasnickaChicago$19K
- Katie SpringerLake Forest$17K
- Matthew BrunoMorris$17K
- Kelly BrawleyBarrington$14K
- Megan GriggsSpringfield$13K
- Marianne RaoAlgonquin$13K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.