Christopher Hajnik, MD
Orthopaedic Surgery · Encinitas, CANPI 1083883987
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $47,225 of the $72,470 with a category attached, or 65.2%. 16 manufacturers reported payments, led by Omnilife Science, Inc at 58.0% of the total. Reporting peaked in 2020 at $20,936 and has fallen 99.8% since, to $33 in 2025. Among orthopaedic surgery clinicians in CA with any reported payments, this total sits in the top 10% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 124 payments — averaging $584.44 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Omnilife Science, Inc$42K
- Zimmer Biomet$18K
- Medacta USA, Inc.$11K
- Maxx Orthopedics, Inc.$2K
- Corin USA$156
- Stryker$149
- plus $271 from 10 others
Across 62 payments — averaging $9476.94 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.
- Zimmer Biomet$544K
- Medical Device Business Services, Inc.$36K
- Maxx Orthopedics, Inc.$7K
What the payments were for
- Consulting fees$47,22565%
- Travel & lodging$19,72427%
- Food & beverage$5,5218%
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 |
|---|---|---|
| Omnilife Science, Inc | 41 | $42,023 |
| Zimmer Biomet | 37 | $17,641 |
| Medacta USA, Inc. | 22 | $10,502 |
| Maxx Orthopedics, Inc. | 9 | $1,728 |
| Corin USA | 1 | $156 |
| Stryker | 1 | $149 |
| Johnson & Johnson | 3 | $53 |
| Masimo Corporation | 1 | $37 |
| Fidia Pharma USA Inc. | 2 | $37 |
| Next Science LLC | 1 | $33 |
| Nextstep Arthropedix, LLC | 1 | $23 |
| Argentum Medical | 1 | $21 |
| Smith+Nephew | 1 | $20 |
| Endo Pharmaceuticals Inc. | 1 | $17 |
| DJO, LLC | 1 | $16 |
| Innovation Technologies Inc | 1 | $13 |
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.
- OMNIBotics 3.0$16,007
- AMISTEM$9,784
- AccuFill$7,920
- PD-Knee-New Product$1,000
- GMK SPHERE$814
- ROSA$777
- PSI$601
- Various Products$251
- Apollo Knee (FKA OMNIBotics 3.0)$174
- VARIAX$149
How this compares
$72,470 in reported general payments places this provider in the 90th percentile of 1,808 orthopaedic surgery providers in California.
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 |
|---|---|---|
| Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen | 36 | $388 |
| Cephalexin | 58 | $129 |
Paid to pharmacies, not to this prescriber.
Other orthopaedic surgery in Encinitas
- Bradford HackArcadia$18.3M
- Robert GorabOrange$13.6M
- Kelly VinceLos Angeles$9.6M
- Stephen HowellSacramento$9.4M
- Thomas CoonRed Bluff$9.2M
- Nirav AminPlacentia$5.6M
- Tom NorrisSan Francisco$5.3M
- Jay LiebermanLos Angeles$4.8M
- Peter NewtonSan Diego$4.2M
- Sigurd BervenSan Francisco$4.1M
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.