Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $186.60 | 5 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Egalet US Inc | $60.96 | 1 | $0 (2017) |
| Janssen Pharmaceuticals, Inc | $50.00 | 1 | $0 (2017) |
| Arbor Pharmaceuticals, Inc. | $37.10 | 1 | $0 (2017) |
| Pernix Therapeutics Holdings, Inc. | $22.22 | 1 | $0 (2017) |
| Vapotherm Inc | $16.32 | 1 | $0 (2018) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2018 | $16.32 | 1 | Vapotherm Inc ($16.32) |
| 2017 | $170.28 | 4 | Egalet US Inc ($60.96) |
All Payment Transactions
5 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 10/16/2018 | Vapotherm Inc | Precision Flow (Device) | Food and Beverage | In-kind items and services | $16.32 | General |
| Category: Respiratory | ||||||
| 11/17/2017 | Janssen Pharmaceuticals, Inc | INVOKANA (Drug) | Food and Beverage | In-kind items and services | $50.00 | General |
| Category: Cardiovascular & Metabolism | ||||||
| 02/28/2017 | Egalet US Inc | SPRIX (Drug) | Food and Beverage | In-kind items and services | $60.96 | General |
| Category: Pain Medicine | ||||||
| 02/18/2017 | Arbor Pharmaceuticals, Inc. | Horizant (Drug) | Food and Beverage | Cash or cash equivalent | $37.10 | General |
| Category: Sleep | ||||||
| 02/18/2017 | Pernix Therapeutics Holdings, Inc. | ZOHYDRO ER (Drug) | Food and Beverage | In-kind items and services | $22.22 | General |
| Category: PAIN | ||||||
About Dr. Dwight Guan, MD
Dr. Dwight Guan, MD is a Emergency Medicine healthcare provider based in Upland, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 07/20/2006. The National Provider Identifier (NPI) number assigned to this provider is 1184644676.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Dwight Guan, MD has received a total of $186.60 in payments from pharmaceutical and medical device companies, with $16.32 received in 2018. These payments were reported across 5 transactions from 5 companies. The most common payment nature is "Food and Beverage" ($186.60).
Practice Information
- Specialty Emergency Medicine
- Other Specialties Family Medicine
- Location Upland, CA
- Active Since 07/20/2006
- Last Updated 09/11/2025
- Taxonomy Code 207P00000X
- Entity Type Individual
- NPI Number 1184644676
Products in Payments
- SPRIX (Drug) $60.96
- INVOKANA (Drug) $50.00
- Horizant (Drug) $37.10
- ZOHYDRO ER (Drug) $22.22
- Precision Flow (Device) $16.32
Explore
Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.
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