Grant Shifflett
Orthopaedic Surgery of the Spine · Marina del Rey, CANPI 1932423456
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $85,570 of the $111,549 with a category attached, or 76.7%. 24 manufacturers reported payments, led by Zimvie Inc. at 37.1% of the total.
Across 212 payments — averaging $526.18 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Zimvie Inc.$41K
- Kyocera Medical Technologies, Inc.$20K
- Centinel Spine, LLC$19K
- Zimmer Biomet$7K
- Trimed, Inc.$5K
- CTL Medical Corporation$5K
- plus $14K from 18 others
Across 3 payments — averaging $11,879 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.
- Orthofix Medical, Inc.$31K
- Globus Medical$5K
What the payments were for
- Consulting fees$85,57077%
- Speaking & faculty fees$1,5001%
- Travel & lodging$14,54713%
- Food & beverage$9,6829%
- Education$650%
- Gifts$750%
- Entertainment$1100%
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 |
|---|---|---|
| Zimvie Inc. | 76 | $41,386 |
| Kyocera Medical Technologies, Inc. | 7 | $19,813 |
| Centinel Spine, LLC | 17 | $19,349 |
| Zimmer Biomet | 28 | $7,020 |
| Trimed, Inc. | 1 | $5,000 |
| CTL Medical Corporation | 5 | $4,932 |
| Cerapedics Inc. | 9 | $2,604 |
| Orthofix Medical, Inc. | 12 | $2,371 |
| Osseus Fusion Systems, LLC | 3 | $2,367 |
| Globus Medical(2 entities) | 9 | $2,025 |
| Seaspine Orthopedics Corporation | 5 | $707 |
| Alphatec Spine, Inc | 4 | $700 |
| Saxum Surgical, Inc. | 2 | $556 |
| 4web, Inc. | 4 | $507 |
| Spinal Elements, Inc. | 6 | $471 |
| Johnson & Johnson | 7 | $444 |
| Medtronic(2 entities) | 4 | $372 |
| Spinal Simplicity, LLC | 2 | $249 |
| Aesculap Implant Systems, LLC | 4 | $245 |
| Camber Spine Technologies LLC | 1 | $166 |
| Abbott | 1 | $106 |
| Boston Scientific | 3 | $64 |
| Nalu Medical, Inc. | 1 | $60 |
| Vertex | 1 | $35 |
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.
- Mobi-C$40,485
- Vital$20,492
- PRODISC L$19,070
- TrellOss-C SA$17,850
- Vital Deformity, Degen, Hooks$15,450
- ProLift Expandable Interbody, 12mm x 28mm, Large 15 degree$15,450
- I-FACTOR PEPTIDE ENHANCED BONE GRAFT$7,618
- Timberline$5,700
- C-TEK MAXAN$2,400
- ELSA ATP$1,435
- FORZA$1,326
- 7D Surgical System$1,132
- FIREBIRD NXG$885
- Firebird$441
- SPINE TRUSS SYSTEM$421
- NorthStar$316
- Medical Device$309
- ADAPTIVESTIM$227
- Minuteman$151
- M6-C$143
How this compares
$111,549 in reported general payments places this provider in the 70th percentile of 288 orthopaedic surgery of the spine providers in California.
See all orthopaedic surgery of the spine providers in California →
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen | 23 | $504 |
| Methylprednisolone | 11 | $63 |
| Meloxicam | 17 | $9 |
Paid to pharmacies, not to this prescriber.
Other orthopaedic surgery of the spine in Marina del Rey
- Sanjay KhuranaMarina del Rey$2.3M
- Robert WatkinsMarina del Rey$443K
- Robert WatkinsMarina del Rey$218K
- Hyun BaeSanta Monica$56.8M
- Choll KimSan Diego$4M
- Stacey BedermanOrange$3.7M
- Gregory Mundisla Jolla$3.3M
- Paul SlosarDaly City$3.1M
- Babak Barcohanavan Nuys$2.9M
- Neelakantan AnandLos Angeles$2.9M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.