Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $1,193 | 87 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| GlaxoSmithKline, LLC. | $220.33 | 17 | $0 (2018) |
| AstraZeneca Pharmaceuticals LP | $175.79 | 9 | $0 (2018) |
| Lilly USA, LLC | $173.52 | 16 | $0 (2018) |
| Janssen Pharmaceuticals, Inc | $113.53 | 8 | $0 (2017) |
| Novo Nordisk Inc | $110.20 | 10 | $0 (2017) |
| SANOFI-AVENTIS U.S. LLC | $79.11 | 5 | $0 (2018) |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $74.86 | 5 | $0 (2018) |
| Amgen Inc. | $60.62 | 3 | $0 (2017) |
| Astellas Pharma US Inc | $39.84 | 2 | $0 (2017) |
| Takeda Pharmaceuticals America, Inc. | $34.23 | 4 | $0 (2017) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2022 | $13.89 | 1 | ABBVIE INC. ($13.89) |
| 2018 | $213.34 | 13 | GlaxoSmithKline, LLC. ($80.95) |
| 2017 | $965.96 | 73 | Lilly USA, LLC ($160.11) |
All Payment Transactions
87 individual payment records from CMS Open Payments — Page 1 of 4
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 11/22/2022 | ABBVIE INC. | VRAYLAR (Drug) | Food and Beverage | In-kind items and services | $13.89 | General |
| Category: NEUROSCIENCE | ||||||
| 03/29/2018 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $17.02 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 03/17/2018 | GlaxoSmithKline, LLC. | TRELEGY ELLIPTA (Drug) | Food and Beverage | In-kind items and services | $15.61 | General |
| Category: RESPIRATORY | ||||||
| 03/14/2018 | Lilly USA, LLC | TRADJENTA (Drug), JARDIANCE, GLYXAMBI | Food and Beverage | In-kind items and services | $13.41 | General |
| Category: Diabetes | ||||||
| 03/12/2018 | GlaxoSmithKline, LLC. | SHINGRIX (Biological), BOOSTRIX | Food and Beverage | In-kind items and services | $13.92 | General |
| Category: VACCINES | ||||||
| 02/28/2018 | Boehringer Ingelheim Pharmaceuticals, Inc. | STIOLTO RESPIMAT (Drug) | Food and Beverage | In-kind items and services | $16.44 | General |
| Category: RESPIRATORY | ||||||
| 02/21/2018 | SANOFI-AVENTIS U.S. LLC | SOLIQUA (Drug) | Food and Beverage | In-kind items and services | $14.64 | General |
| Category: DIABETES | ||||||
| 02/14/2018 | Daiichi Sankyo Inc. | Welchol (Drug) | Food and Beverage | In-kind items and services | $19.23 | General |
| Category: Metabolism | ||||||
| 02/06/2018 | GlaxoSmithKline, LLC. | BREO (Drug) | Food and Beverage | In-kind items and services | $16.00 | General |
| Category: RESPIRATORY | ||||||
| 02/03/2018 | GlaxoSmithKline, LLC. | BREO (Drug) | Food and Beverage | In-kind items and services | $19.36 | General |
| Category: RESPIRATORY | ||||||
| 01/31/2018 | SANOFI-AVENTIS U.S. LLC | TOUJEO (Drug) | Food and Beverage | In-kind items and services | $16.91 | General |
| Category: DIABETES | ||||||
| 01/17/2018 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $18.90 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 01/10/2018 | Boehringer Ingelheim Pharmaceuticals, Inc. | STIOLTO RESPIMAT (Drug) | Food and Beverage | In-kind items and services | $15.84 | General |
| Category: RESPIRATORY | ||||||
| 01/05/2018 | GlaxoSmithKline, LLC. | — | Food and Beverage | In-kind items and services | $16.06 | General |
| 12/22/2017 | Janssen Pharmaceuticals, Inc | INVOKANA (Drug), INVOKAMET, XARELTO | Food and Beverage | In-kind items and services | $18.61 | General |
| Category: Cardiovascular & Metabolism | ||||||
| 12/20/2017 | GlaxoSmithKline, LLC. | BREO (Drug), INCRUSE | Food and Beverage | In-kind items and services | $15.67 | General |
| Category: RESPIRATORY | ||||||
| 12/13/2017 | Lilly USA, LLC | TRADJENTA (Drug), JARDIANCE, GLYXAMBI | Food and Beverage | In-kind items and services | $16.29 | General |
| Category: Diabetes | ||||||
| 12/09/2017 | AstraZeneca Pharmaceuticals LP | FARXIGA (Drug) | Food and Beverage | In-kind items and services | $12.97 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 12/06/2017 | Lilly USA, LLC | TRULICITY (Drug), BASAGLAR | Food and Beverage | In-kind items and services | $14.11 | General |
| Category: Diabetes | ||||||
| 12/01/2017 | Novo Nordisk Inc | Victoza (Drug), Tresiba | Food and Beverage | In-kind items and services | $11.20 | General |
| Category: Diabetes | ||||||
| 11/22/2017 | Novo Nordisk Inc | Victoza (Drug), Tresiba | Food and Beverage | In-kind items and services | $8.55 | General |
| Category: Diabetes | ||||||
| 11/15/2017 | Takeda Pharmaceuticals America, Inc. | Trintellix (Drug) | Food and Beverage | In-kind items and services | $12.70 | General |
| Category: Central Nervous System (CNS) | ||||||
| 11/15/2017 | Lilly USA, LLC | TRADJENTA (Drug), JARDIANCE, GLYXAMBI | Food and Beverage | In-kind items and services | $11.71 | General |
| Category: Diabetes | ||||||
| 11/15/2017 | Takeda Pharmaceuticals America, Inc. | Trintellix (Drug) | Food and Beverage | In-kind items and services | $2.43 | General |
| Category: Central Nervous System (CNS) | ||||||
| 11/10/2017 | Lilly USA, LLC | TRADJENTA (Drug), JARDIANCE, GLYXAMBI | Food and Beverage | In-kind items and services | $1.24 | General |
| Category: Diabetes | ||||||
About Dr. Patrick Chang, MD
Dr. Patrick Chang, MD is a Internal Medicine healthcare provider based in Mather, California. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 02/23/2006. The National Provider Identifier (NPI) number assigned to this provider is 1861467656.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Patrick Chang, MD has received a total of $1,193 in payments from pharmaceutical and medical device companies, with $13.89 received in 2022. These payments were reported across 87 transactions from 17 companies. The most common payment nature is "Food and Beverage" ($1,193).
Practice Information
- Specialty Internal Medicine
- Location Mather, CA
- Active Since 02/23/2006
- Last Updated 12/26/2025
- Taxonomy Code 207R00000X
- Entity Type Individual
- NPI Number 1861467656
Products in Payments
- TRADJENTA (Drug) $105.45
- FARXIGA (Drug) $90.58
- ANORO (Drug) $87.42
- Victoza (Drug) $79.43
- INVOKANA (Drug) $79.21
- BREO (Drug) $69.66
- TRULICITY (Drug) $68.07
- SOLIQUA (Drug) $62.20
- BEVESPI AEROSPHERE (Drug) $62.06
- Myrbetriq (Drug) $39.84
- Prolia (Biological) $39.02
- XARELTO (Drug) $34.32
- Trintellix (Drug) $34.23
- STIOLTO RESPIMAT (Drug) $32.28
- SPIRIVA (Drug) $25.46
- SYMBICORT (Drug) $23.15
- Repatha (Biological) $21.60
- Welchol (Drug) $19.23
- INCRUSE (Drug) $17.66
- JARDIANCE (Drug) $17.12
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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