David Porter, MD
Foot and Ankle Surgery · Carmel, INNPI 1194771501
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $2,633 of the $4,368 with a category attached, or 60.3%. Johnson & Johnson accounts for 63.2% of it on its own, with 11 other manufacturers making up the rest. Reporting peaked in 2020 at $1,768 and has fallen 92.5% since, to $133 in 2025. That places this record below the midpoint for foot and ankle surgery clinicians in IN, where the typical reported total is $4,256.
Across 27 payments — averaging $161.78 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Johnson & Johnson$3K
- Novastep Inc.$536
- Globus Medical$386
- Paragon 28, Inc.$363
- Stryker$160
- Arthrex$46
- plus $117 from 6 others
What the payments were for
- Consulting fees$2,63360%
- Travel & lodging$2546%
- Food & beverage$1,40332%
- Gifts$792%
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(2 entities) | 3 | $2,761 |
| Novastep Inc. | 6 | $536 |
| Globus Medical | 4 | $386 |
| Paragon 28, Inc. | 3 | $363 |
| Stryker(2 entities) | 3 | $160 |
| Arthrex | 1 | $46 |
| Orthofix Medical, Inc. | 2 | $45 |
| Smith+Nephew | 1 | $21 |
| DJO, LLC | 1 | $14 |
| AbbVie | 1 | $13 |
| Mallinckrodt Hospital Products Inc. | 1 | $13 |
| Mallinckrodt Enterprises LLC | 1 | $12 |
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.
- CENTROLOCK MIS Bunion Correction$374
- Anthem$166
- Proximal Tibia Plate$136
- Product Portfolio$134
- R3FLEX$133
- RIGIDLOOP$128
- MILAGRO$128
How this compares
$4,368 in reported general payments places this provider in the 50th percentile of 212 foot and ankle surgery 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 |
|---|---|---|
| Gabapentin | 46 | $373 |
Paid to pharmacies, not to this prescriber.
Other foot and ankle surgery in Carmel
- Christopher WintersCarmel$152K
- John MillerCarmel$30K
- Andrew WohlerCarmel$29K
- Matthew LiningCarmel$27K
- Steven HerbstMuncie$1.6M
- Douglas BlacklidgeKokomo$689K
- Patrick DeheerIndianapolis$493K
- Scott NevilleMooresville$353K
- Travis MontgomeryWestfield$345K
- Robert Clemency IiiSchererville$215K
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.