Spencer Greene, MD
Medical Toxicology · Kingwood, TXNPI 1952397861
Payments from drug & device makers
Across 221 payments — averaging $755.60 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- BTG International Inc.$162K
- Provepharm Inc.$4K
- Inari Medical, Inc.$375
- Boston Scientific$277
- Quidel Corporation$200
- RARE Disease Therapeutics, Inc.$21
What the payments were for
- Consulting fees$21,22813%
- Speaking & faculty fees$113,36070%
- Travel & lodging$20,01712%
- Food & beverage$3,3832%
- Education$5,0003%
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 |
|---|---|---|
| BTG International Inc. | 207 | $162,116 |
| Provepharm Inc. | 1 | $4,000 |
| Inari Medical, Inc. | 3 | $375 |
| Boston Scientific | 8 | $277 |
| Quidel Corporation | 1 | $200 |
| RARE Disease Therapeutics, Inc. | 1 | $21 |
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.
- CROFAB$157,945
- DIGIFAB$1,000
- FLOWTRIEVER CATHETER, S$301
- CT THROMBECTOMY SYSTEM KIT$301
- LUX-Dx Insertable Cardiac Monitor$133
How this compares
Too few medical toxicology providers in Texasto place this figure against a meaningful peer group, so we don't.
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 medical toxicology in Kingwood
- Sarah WatkinsEl Paso$1K
- Jason DevgunHouston$124
- John TrowbridgeHumble$10
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.