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 |
|---|---|---|---|
| HUMBERTO J HERNANDEZ | Allopathic & Osteopathic Physicians|Internal Medicine | FL | $65.99 |
| HUNTER JOHNSON | Allopathic & Osteopathic Physicians|Family Medicine | TN | $17.86 |
| HYUN SUK CHONG | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | AZ | $13.47 |
| IBITORO OSAKWE | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CT | $17.57 |
| IFIOK NSIMA USEN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | MI | $44.77 |
| IGHEL JAVIER VEGUE | Allopathic & Osteopathic Physicians|Family Medicine | FL | $24.78 |
| ILIENIS PEREZ-RIOS | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | TN | $64.64 |
| INESSA M GELFAND | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | $22.43 |
| INTEKHAB AHMED | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | PA | $126.21 |
| IRENE MAMKIN | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | NJ | $49.78 |
| IRFAN A KHAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MD | $121.99 |
| IRINI E VERONIKIS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MO | $54.06 |
| ISABEL SHEN | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | IL | $16.71 |
| ISAIAH ANTONIO BOYD | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | GA | $47.47 |
| ISEBERTE COLIMON | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | FL | $14.29 |
| IVAN J GAMBOA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | LA | $13.13 |
| IVORRY GOMEZ | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | TX | $20.46 |
| IYAD SYOUFI | Allopathic & Osteopathic Physicians|Internal Medicine | AZ | $35.82 |
| JACEK ZAJAC | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | $74.39 |
| JACINTH E BROOKS | Allopathic & Osteopathic Physicians|General Practice | MD | $20.88 |
| JACLYNN F WILKERSON | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | UT | $30.12 |
| JACOB AARON CASHDOLLAR | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | FL | $20.40 |
| JACOB BARNES | — | KY | $19.53 |
| JACOB BRENNER | Allopathic & Osteopathic Physicians|Internal Medicine | NE | $93.81 |
| JACOB M REDEL | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | KS | $17.79 |
| JACOB VADAKEKALAM | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | $32.81 |
| JACOB W PHILLIPS | Allopathic & Osteopathic Physicians|General Practice | NY | $18.19 |
| JACQUELINE A SROKA | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | NC | $13.22 |
| JACQUELINE MARIE KERNAGHAN | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | PA | $14,000.00 |
| JACQUELYN ADLEY | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | IN | $18.77 |
| JACQUELYN SUZANNE VERME | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | FL | $38.36 |
| JACQUIE MONTAG | Nursing Service Providers|Registered Nurse|Case Management | NE | $52.43 |
| JADA L BAKKER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | SD | $79.23 |
| JAIDEEP G REDDY | Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease | NY | $227.40 |
| JAIMES ELLEN VAIL | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | CO | $43.99 |
| JAKE WILKIE | — | AZ | $19.47 |
| JAMAL B ZOHUR | Allopathic & Osteopathic Physicians|Internal Medicine | NY | $24.75 |
| JAMAL I HAMMOUD | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MI | $21.04 |
| JAMES ATKINSON DEER | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | AZ | $55.07 |
| JAMES B DUNNAN | Allopathic & Osteopathic Physicians|Family Medicine | OH | $17.79 |
| JAMES E GALLAGHER | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | OH | $53.35 |
| JAMES J CHAMBERLAIN | Allopathic & Osteopathic Physicians|Internal Medicine | UT | $19.43 |
| JAMES L GARDNER | Allopathic & Osteopathic Physicians|Family Medicine | PA | $295.94 |
| JAMES L NEIFING | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | OR | $263.35 |
| JAMES LA ROCQUE | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | VA | $55.28 |
| JAMES V ORTMAN | Allopathic & Osteopathic Physicians|Internal Medicine | NE | $24.11 |
| JAMIE GIBSON BRADSHAW | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | TN | $36.45 |
| JAMIE L JADID | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | NV | $55.78 |
| JAMIE LYNN VARLEY | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care | PA | $20.89 |
| JANE N PEREZ | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CA | $17.03 |