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 |
|---|---|---|---|
| MIA ISADORA LOYOLA FRONTERAS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | $17.03 |
| MICHAEL A BERK | Allopathic & Osteopathic Physicians|Internal Medicine | MO | $17.33 |
| MICHAEL ALAN WOOD | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | MI | $61.29 |
| MICHAEL B WISEMAN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | TN | $36.48 |
| MICHAEL BUI | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CA | $13.94 |
| MICHAEL CARL LOAR | Allopathic & Osteopathic Physicians|Pediatrics | OH | $36.87 |
| MICHAEL D LOUGHNER | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CO | $224.29 |
| MICHAEL DOUGLAS LEAHY | Allopathic & Osteopathic Physicians|Internal Medicine | TN | $21.70 |
| MICHAEL GLENN CARLSON | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TN | $48.18 |
| MICHAEL H SHANIK | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | $133.12 |
| MICHAEL HEILE | Allopathic & Osteopathic Physicians|Family Medicine | OH | $37.10 |
| MICHAEL J O BRIEN | Allopathic & Osteopathic Physicians|Emergency Medicine | NY | $22.02 |
| MICHAEL JAY MELLMAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | $18.98 |
| MICHAEL K LAI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | $14.40 |
| MICHAEL L YU | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | TN | $14.95 |
| MICHAEL P GROSSMAN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care | GA | $42.06 |
| MICHAEL SPIVAK | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | OH | $54.52 |
| MICHAEL T PUGLIESE | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | NY | $43.45 |
| MICHAEL TRAN | — | CA | $13.93 |
| MICHAELA L KOHLER | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | NE | $14.12 |
| MICHAELA R HOEFLICH | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | NY | $42.58 |
| MICHELLE D WELCH | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | $16.33 |
| MICHELLE LEE JAMPOL | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | FL | $65.74 |
| MICHELLE M KNOLL | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | MO | $33.18 |
| MICHELLE M MIKE-NICHOLAS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | KY | $16.90 |
| MICHELLE QUYNHNHU NGOC NGUYEN | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | AZ | $16.25 |
| MICHELLE RIVERA | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | TX | $15.05 |
| MICHELLE S VITALE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | NJ | $16.19 |
| MICHELLE STONE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | NJ | $17.12 |
| MIDDEY DAMIAN | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | FL | $92.34 |
| MIGUEL P RIVERA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | LA | $13.29 |
| MILADYS MIRIAM PALAU COLLAZO | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | FL | $88.97 |
| MINH MACH | — | CA | $141.21 |
| MINOU P TRAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | $136.89 |
| MIRIAM ELIZABETH ZAPATA | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | FL | $68.94 |
| MITCHELL IAN SORSBY | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | $18.52 |
| MOHAMED DAFALLA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | UT | $77.66 |
| MOHAMMAD A HAMMOUDE | Allopathic & Osteopathic Physicians|Internal Medicine | MI | $20.67 |
| MOHAMMAD BILAL AWAN | Allopathic & Osteopathic Physicians|Internal Medicine | NY | $23.40 |
| MOHAMMAD EL-RIFAI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | $15.33 |
| MOHAMMAD J SALEH | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MI | $39.83 |
| MOHAMMAD Q KHAN | Allopathic & Osteopathic Physicians|Internal Medicine | WI | $20.96 |
| MOHAMMED ASIF | Allopathic & Osteopathic Physicians|Plastic Surgery | IL | $17.64 |
| MOHAMMED G ELHASSAN | Allopathic & Osteopathic Physicians|Hospitalist | CA | $52.76 |
| MOHAMMED R AZAZ | Allopathic & Osteopathic Physicians|Internal Medicine | NY | $88.22 |
| MOHAMMED SOUBHI NIZAM | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | UT | $41.56 |
| MOHAMMED SYED | Allopathic & Osteopathic Physicians|Internal Medicine | MI | $17.11 |
| MOHSEN ZENA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NE | $37.08 |
| MOHSINAH USMANI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | $40.71 |
| MOJGAN RAHMANIYAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | SC | $30.90 |