Gregory Sims, CRNA
Nurse Anesthetist, Certified Registered · Hattiesburg, MSNPI 1669475315
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 89 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 21 manufacturers reported payments, led by Bayer at 32.3% of the total. Among nurse anesthetist, certified registered clinicians in MS 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 89 payments — averaging $16.36 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Bayer$470
- Sumitomo Pharma America, Inc.$193
- Astellas Pharma US Inc$156
- AbbVie$111
- Johnson & Johnson$90
- Tolmar, Inc.$78
- plus $358 from 15 others
What the payments were for
- Food & beverage$1,456100%
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 |
|---|---|---|
| Bayer | 31 | $470 |
| Sumitomo Pharma America, Inc. | 11 | $193 |
| Astellas Pharma US Inc | 9 | $156 |
| AbbVie | 8 | $111 |
| Johnson & Johnson | 4 | $90 |
| Tolmar, Inc. | 5 | $78 |
| TELA Bio, Inc. | 5 | $67 |
| Pacira Pharmaceuticals Incorporated | 3 | $52 |
| Boston Scientific | 1 | $29 |
| Tempus AI, Inc | 1 | $28 |
| Hollister Incorporated | 1 | $21 |
| Mallinckrodt Hospital Products Inc. | 1 | $19 |
| Standard Bariatrics, Inc. | 1 | $18 |
| Myriad Genetic Laboratories, Inc. | 1 | $17 |
| Endo USA, Inc. | 1 | $17 |
| Coloplast | 1 | $17 |
| Urovant Sciences Inc | 1 | $16 |
| KCI USA, Inc. | 1 | $16 |
| Urogen Pharma, Inc. | 1 | $15 |
| Hologic Sales And Service, LLC | 1 | $14 |
| Tolmar Pharmaceuticals, Inc. | 1 | $14 |
How this compares
$1,456 in reported general payments places this provider in the 95th percentile of 614 nurse anesthetist, certified registered providers in Mississippi.
See all nurse anesthetist, certified registered providers in Mississippi →
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.
Other nurse anesthetist, certified registered in Hattiesburg
- Mareen SistrunkHattiesburg$1K
- Summer StoneHattiesburg$1K
- Robert GastonHattiesburg$952
- Matthew GeraldHattiesburg$907
- Jennifer WalkerHattiesburg$851
- Jared SeymourHattiesburg$789
- Graham GardnerHattiesburg$778
- Scott WalkerHattiesburg$766
- Gabriel McCraryHattiesburg$663
- Thomas WaltersHattiesburg$660
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.