Amphastar Pharmaceuticals, Inc.
2,111 providers listed $107,034.42 reported 4,872 records General Payments
General Payments reported — all loaded program years
$107,034.42
- Category: General Payments
- Program years: 2022, 2023, 2024, 2025
- Record count: 4,872
- Providers listed: 2,111
Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.
How this figure is calculated
- This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. Nothing is estimated, weighted, or combined across categories.
- Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.
- Methodology & Data — sourcing, labeling, and limitations.
Coverage: program years 2019–2025, General Payments only. Each figure is labeled with its category and program year; categories are never combined.
By program year
By recipient specialty (25 shown)
Sorted by reported total.
Providers listed (2,111)
Sorted by name. Sort by amount instead
| Provider | Specialty | State | Reported by this company |
|---|---|---|---|
| VINAY KAPOOR | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | $61.10 |
| VINCENT LIOU | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | AZ | $18.32 |
| VINCENT SAVARESE | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NJ | $13.74 |
| VIOLET AMIRJALALI | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | NV | $93.59 |
| VIPUL K PATEL | Allopathic & Osteopathic Physicians|General Practice | OH | $21.60 |
| VIRGINIA C ARAIZA | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | TX | $103.05 |
| VIRGINIA OTEY VILLARREAL | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | MN | $27.25 |
| VITA ANKSH | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | $17.42 |
| VIVEK BANSAL | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NJ | $60.01 |
| WALTER E DONNELLY | Allopathic & Osteopathic Physicians|Family Medicine | OH | $18.65 |
| WARDEH MOUZAHEM | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | MI | $17.83 |
| WASIA SIDDIQUI | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | MI | $17.12 |
| WASIM A HAQUE | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | $55.21 |
| WEDAD RAHMAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | GA | $45.32 |
| WENDY BOCAILLE | Allopathic & Osteopathic Physicians|Family Medicine | FL | $47.83 |
| WENDY MC BUI | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | CO | $193.56 |
| WENYAN HUANG | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MD | $45.36 |
| WESTON GEORGE RALLIS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | UT | $16.94 |
| WHITNEY BROWN | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | SC | $19.66 |
| WHITNEY J BEAM | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | MI | $78.12 |
| WILLIAM A CONDRELL | Allopathic & Osteopathic Physicians|Internal Medicine | DC | $14.82 |
| WILLIAM ACHEAMPONG | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | OH | $102.14 |
| WILLIAM EARL PORTER | Allopathic & Osteopathic Physicians|Family Medicine | GA | $17.97 |
| WILLIAM F TRIGOSO | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | $17.80 |
| WILLIAM J RUST | Allopathic & Osteopathic Physicians|Internal Medicine | PA | $13.48 |
| WILLIAM KURBAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | $16.08 |
| WILLIAM R LITCHFIELD | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NV | $77.28 |
| WILLIAM S ALLAN | Allopathic & Osteopathic Physicians|Internal Medicine | CO | $31.49 |
| WILLIAM S GONTE | Allopathic & Osteopathic Physicians|Internal Medicine|Sports Medicine | MI | $23.94 |
| WILLIAM TYLER FLOWERS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | TN | $15.46 |
| WILSON SZE | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | $227.32 |
| WINIFRED MOREHOUSE | Allopathic & Osteopathic Physicians|Internal Medicine | NC | $20.17 |
| WINNIE NHAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | $19.22 |
| WODERYELESH T KASSA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | GA | $43.04 |
| WYNN BOYLE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | MD | $45.43 |
| YAHAIRA MYERS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | NY | $17.27 |
| YASMINE KHAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CT | $81.80 |
| YELA MONICA MARTINEZ-RUBIO | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | FL | $22.57 |
| YENNY ALEXANDRA OTALORA ROJAS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | SC | $15.65 |
| YIN TUN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | $108.81 |
| YING HU | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | PA | $117.68 |
| YOLANDA M PALMERO | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care | FL | $95.34 |
| YOOJIN KIM PAK | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | $16.22 |
| YOSEPH GUREVICH | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Gastroenterology | NY | $59.29 |
| YOUSSEF A HANNALLAH | Allopathic & Osteopathic Physicians|Internal Medicine | NJ | $16.61 |
| YSHAY SHLESINGER | Allopathic & Osteopathic Physicians|Internal Medicine | CA | $35.34 |
| YUAN ZHAO | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care | CA | $17.78 |
| YUDI CAMACHO | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NJ | $15.77 |
| YUMIKO TSUSHIMA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | OH | $16.78 |
| YUNNA JIANG | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TN | $19.84 |