Gregory Hachigian
Emergency Medicine · Sacramento, CANPI 1558342022
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 1 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. Every reported general payment came from a single manufacturer, Otsuka Pharmaceutical Development & Commercialization, Inc..
Across 1 payment — averaging $108.33 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Otsuka Pharmaceutical Development & Commercialization, Inc.$108
Across 684 payments — averaging $15,948 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.
- Modernatx, Inc.$9.6M
- Janssen Research & Development, LLC$769K
- Novavax Inc$279K
- Pfizer$205K
- Seqirus USA Inc$6K
What the payments were for
- Food & beverage$108100%
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.
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 |
|---|---|---|
| Otsuka Pharmaceutical Development & Commercialization, Inc. | 1 | $108 |
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.
- REXULTI$108
- ABILIFY MAINTENA$108
How this compares
$108 in reported general payments places this provider in the 70th percentile of 6,006 emergency medicine providers in California.
Other emergency medicine in Sacramento
- Eric GrossSacramento$185K
- Selene CastrejonSacramento$62K
- Daniel NishijimaSacramento$23K
- Michael BlueLone Pine$915K
- Andrew AccardiEncinitas$383K
- Fredrick Melik-AbrahamianSylmar$354K
- Graham WalkerStanford$309K
- Douglas WhiteOakland$220K
- Paul PearigenSan Diego$208K
- Richard KozakMission Viejo$203K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.