Gregory Burkhart
Public Health & General Preventive Medicine · Reston, VANPI 1922541523
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $1,166,643 of the $1,188,264 with a category attached, or 98.2%. 30 manufacturers reported payments, led by GW Research Limited at 38.7% of the total. Reporting peaked in 2019 at $313,329 and has fallen 83.6% since, to $51,330 in 2025. Among public health & general preventive medicine clinicians in VA 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 171 payments — averaging $6948.91 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- GW Research Limited$460K
- GW Pharma Limited$221K
- Jazz Pharmaceuticals Inc.$113K
- AMAG Pharmaceuticals, Inc.$71K
- Purdue Pharma L.p.$62K
- Eli Lilly$41K
- plus $219K from 24 others
Across 7 payments — averaging $1578.63 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.
- Chiesi USA, Inc.$8K
- Purdue Pharma L.p.$3K
What the payments were for
- Consulting fees$1,166,64398%
- Speaking & faculty fees$17,3301%
- Travel & lodging$3,9290%
- Food & beverage$3630%
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 |
|---|---|---|
| GW Research Limited | 23 | $460,352 |
| GW Pharma Limited | 12 | $220,586 |
| Jazz Pharmaceuticals Inc. | 32 | $113,356 |
| AMAG Pharmaceuticals, Inc. | 13 | $71,470 |
| Purdue Pharma L.p. | 13 | $62,112 |
| Eli Lilly | 17 | $41,475 |
| HRA Pharma | 6 | $35,353 |
| Novo Nordisk | 10 | $25,166 |
| H. Lundbeck A S | 2 | $17,330 |
| Janssen Research & Development, LLC | 2 | $15,250 |
| Pfizer | 2 | $12,980 |
| Endo Pharmaceuticals Inc. | 6 | $11,479 |
| Collegium Pharmaceutical, Inc. | 2 | $10,890 |
| Sanofi US Services Inc. | 6 | $10,641 |
| Immedica Pharma US, Inc. | 2 | $9,150 |
| Sarepta Therapeutics, Inc. | 1 | $9,150 |
| GSK | 6 | $8,606 |
| Acrotech Biopharma Inc. | 1 | $5,700 |
| Urogen Pharma, Inc. | 1 | $5,498 |
| Travere Therapeutics, Inc. | 1 | $5,363 |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $5,220 |
| Blueprint Medicines Corporation | 1 | $5,075 |
| Gilead | 1 | $5,033 |
| Endologix LLC | 1 | $4,640 |
| Beigene USA, Inc. | 1 | $4,575 |
| AbbVie | 1 | $3,660 |
| Aurobindo Pharma USA, Inc. | 3 | $3,604 |
| Veru Inc. | 1 | $3,000 |
| Mylan Inc. | 2 | $802 |
| Mallinckrodt LLC | 1 | $750 |
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.
- MAKENA$71,470
- OXYCONTIN$61,045
- SATIVEX$24,244
- Ella$10,848
- NO PRODUCT DISCUSSED$10,510
- Norditropin$10,093
- DARZALEX$8,235
- CARVYKTI$7,015
- Beleodaq$5,700
- XTAMPZA$5,400
- BELBUCA$5,400
- Nucynta$5,400
- AFX2 Bifurcated Endograft System$4,640
- PEGZILARGINASE$4,575
- Clozapine$4,256
- LATISSE$3,660
- XYWAV$1,417
- ORF$867
How this compares
$1,188,264 in reported general payments places this provider in the 95th percentile of 23 public health & general preventive medicine providers in Virginia.
See all public health & general preventive medicine providers in Virginia →
Other public health & general preventive medicine in Reston
- Kenneth MoritsuguGreat Falls$52K
- Rodney KeelNorth Chesterfield$4K
- Karen SheltonMarion$1K
- Madge ZachariasRichmond$407
- Robert KadlecAlexandria$171
- Richard BrownNorfolk$100
- Achana BallFairfax$95
- James JamesOnancock$67
- Elaine PerryRichmond$46
- Lisa McCoyNorfolk$46
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.