Christa Walling
Optometrist · Greenfield, INNPI 1306833421
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $4,668 of the $6,515 with a category attached, or 71.7%. 20 manufacturers reported payments, led by Johnson & Johnson Vision Care, Inc. at 31.4% of the total. Reporting peaked in 2022 at $1,775 and has fallen 52.8% since, to $838 in 2025. Among optometrist clinicians in IN with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 249 payments — averaging $26.17 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Johnson & Johnson Vision Care, Inc.$2K
- Alcon$2K
- Oyster Point Pharma, Inc.$453
- AbbVie$342
- Sun Pharmaceutical Industries Inc.$342
- Tarsus Pharmaceuticals, Inc.$308
- plus $1K from 14 others
What the payments were for
- Consulting fees$77812%
- Travel & lodging$93714%
- Food & beverage$4,66872%
- Entertainment$1312%
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 |
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | 80 | $2,044 |
| Alcon | 19 | $1,547 |
| Oyster Point Pharma, Inc. | 19 | $453 |
| AbbVie(2 entities) | 19 | $342 |
| Sun Pharmaceutical Industries Inc. | 19 | $342 |
| Tarsus Pharmaceuticals, Inc. | 14 | $308 |
| Coopervision Inc. | 16 | $276 |
| Bausch & Lomb Americas Inc. | 17 | $267 |
| Bausch & Lomb, A Division Of Bausch Health US, LLC | 11 | $175 |
| Kala Pharmaceuticals, Inc. | 8 | $151 |
| Dompe US, Inc. | 6 | $145 |
| Optos, Inc. | 5 | $134 |
| Novartis | 5 | $93 |
| Biotissue Holdings Inc. | 3 | $61 |
| Aerie Pharmaceuticals, Inc. | 2 | $47 |
| Lombart Brothers, Inc. | 1 | $41 |
| Shire North American Group Inc | 2 | $35 |
| Quidel Corporation | 1 | $21 |
| Thea Pharma Inc. | 1 | $19 |
| ABB Con-cise Optical Group LLC | 1 | $14 |
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.
- DAILIES TOTAL1 Multifocal$1,108
- AIR OPTIX$1,108
- Dailies Aqua Comfort Plus$1,108
- Acuvue$883
- TRYPTYR$143
- XDEMVY$113
How this compares
$6,515 in reported general payments places this provider in the 95th percentile of 1,318 optometrist 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 |
|---|---|---|
| XdemvyLotilaner | 43 | $80,309 |
| RestasisCyclosporine | 55 | $68,900 |
| XiidraLifitegrast | 14 | $16,029 |
| LumiganBimatoprost | 21 | $11,653 |
| Cyclosporine | 13 | $6,436 |
| Travoprost | 40 | $4,395 |
| Latanoprost | 181 | $2,371 |
| Bimatoprost | 11 | $1,809 |
| Famciclovir | 17 | $1,533 |
| Timolol Maleate | 77 | $1,031 |
| Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat | 46 | $846 |
| Tobramycin-DexamethasoneTobramycin/Dexamethasone | 19 | $825 |
| Brimonidine Tartrate | 18 | $725 |
| Doxycycline Hyclate | 16 | $683 |
| Acyclovir | 16 | $470 |
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 |
|---|---|---|
| AbbVieRestasis, Lumigan | $342 | $80,55376 claims |
| Tarsus Pharmaceuticals, Inc.Xdemvy | $308 | $80,30943 claims |
| Bausch & Lomb Americas Inc.Xiidra | $267 | $16,02914 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 95th percentile of 1,318 optometrist providers in Indiana.
Other optometrist in Greenfield
- Nicholas McColleyGreenfield$38K
- Damon DierkerIndianapolis$707K
- Jason JedlickaBloomington$456K
- Kari RiinaFishers$308K
- Rhonda RobinsonIndianapolis$205K
- John CzajaMerrillville$189K
- Peter KollbaumBloomington$60K
- Ryan GustusBluffton$48K
- Steve VargoHighland$48K
- Helen TzanetakosMunster$47K
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.