Carol Grobner, DO
Family Medicine · Michigan City, INNPI 1790753218
Payments from drug & device makers
Across 104 payments — averaging $13.34 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Novo Nordisk$247
- Lilly USA, LLC$224
- Pfizer$206
- Boehringer Ingelheim$119
- Takeda Pharmaceuticals U.S.A., Inc.$99
- AstraZeneca$86
- plus $407 from 16 others
What the payments were for
- Food & beverage$1,37199%
- Education$161%
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 |
|---|---|---|
| Novo Nordisk | 21 | $247 |
| Lilly USA, LLC | 17 | $224 |
| Pfizer | 19 | $206 |
| Boehringer Ingelheim | 7 | $119 |
| Takeda Pharmaceuticals U.S.A., Inc. | 6 | $99 |
| AstraZeneca | 6 | $86 |
| Astellas Pharma US Inc | 4 | $69 |
| Amgen | 3 | $57 |
| Sanofi-aventis U.S. LLC | 3 | $38 |
| Exact Sciences | 2 | $35 |
| AbbVie | 5 | $31 |
| Mylan Specialty L.p. | 1 | $24 |
| Novartis | 1 | $24 |
| Bayer | 1 | $18 |
| Otsuka America Pharmaceutical, Inc. | 1 | $18 |
| Dexcom, Inc. | 1 | $16 |
| Abbott | 1 | $16 |
| Insulet Corporation | 1 | $13 |
| Amarin Pharma, Inc. | 1 | $12 |
| Almatica Pharma LLC | 1 | $12 |
| Johnson & Johnson | 1 | $12 |
| GSK | 1 | $11 |
How this compares
$1,388 in reported general payments places this provider in the 65th percentile of 2,709 family medicine providers in Indiana.
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 |
|---|---|---|
| MounjaroTirzepatide | 64 | $91,318 |
| OzempicSemaglutide | 44 | $67,947 |
| EliquisApixaban | 68 | $59,141 |
| XareltoRivaroxaban | 24 | $30,943 |
| Trelegy ElliptaFluticasone/Umeclidin/Vilanter | 22 | $30,075 |
| FarxigaDapagliflozin Propanediol | 27 | $27,921 |
| JanuviaSitagliptin Phosphate | 14 | $23,382 |
| JardianceEmpagliflozin | 18 | $19,728 |
| LinzessLinaclotide | 19 | $15,976 |
| Stiolto RespimatTiotropium Br/Olodaterol Hcl | 12 | $15,405 |
| MyrbetriqMirabegron | 15 | $7,609 |
| Wixela InhubFluticasone Propion/Salmeterol | 12 | $3,626 |
| Albuterol Sulfate HfaAlbuterol Sulfate | 133 | $3,410 |
| Gabapentin | 205 | $3,108 |
| Hydrocodone-AcetaminophenHydrocodone/Acetaminophen | 153 | $3,088 |
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 |
|---|---|---|
| Lilly USA, LLCMounjaro | $224 | $91,31864 claims |
| Novo NordiskOzempic | $247 | $67,94744 claims |
| PfizerEliquis | $206 | $59,14168 claims |
| Boehringer IngelheimJardiance, Stiolto Respimat | $119 | $35,13430 claims |
| Johnson & JohnsonXarelto | $12 | $30,94324 claims |
| GSKTrelegy Ellipta | $11 | $30,07522 claims |
| AstraZenecaFarxiga | $86 | $27,92127 claims |
| AbbVieLinzess, Synthroid | $31 | $17,42739 claims |
| Astellas Pharma US IncMyrbetriq | $69 | $7,60915 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 65th percentile of 2,709 family medicine providers in Indiana.
Other family medicine in Michigan City
- James CallaghanMichigan City$30K
- Blair BrengleIndianapolis$10.6M
- Laura HelmanMishawaka$4M
- J Christopher SartoreEvansville$3.9M
- Hubert ReyesEvansville$3.2M
- David SchultzEvansville$3M
- Steven SmithIndianapolis$2.5M
- Renee Michelle GalenNewburgh$2.1M
- Eric HewittAvon$1.7M
- Alexander Dela LlanaEvansville$1.6M
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.