Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · PY2022–2025 Search official records Methodology

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

Program yearReportedRecordsProviders
PY2022 $650.00 1 1
PY2023 $18,317.68 248 225
PY2024 $41,335.88 2,161 1,339
PY2025 $46,730.86 2,462 1,237

By recipient specialty (25 shown)

Sorted by reported total.

SpecialtyReportedRecordsProviders
Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism $34,332.81 1,837 687
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical $17,068.36 164 54
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family $13,783.64 743 332
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant $6,757.80 328 155
Allopathic & Osteopathic Physicians|Internal Medicine $6,356.35 306 190
Allopathic & Osteopathic Physicians|Family Medicine $5,684.30 307 135
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner $5,308.80 270 118
Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology $5,246.63 278 98
Allopathic & Osteopathic Physicians|Pediatrics $1,932.62 103 59
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health $1,879.09 98 44
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics $1,708.44 90 42
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care $981.98 54 25
Allopathic & Osteopathic Physicians|Otolaryngology $650.00 1 1
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care $428.20 26 12
Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Gastroenterology $402.41 20 7
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology $400.78 25 8
Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease $343.09 18 4
Allopathic & Osteopathic Physicians|General Practice $240.16 12 10
Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease $146.56 8 6
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical $137.65 7 4
Allopathic & Osteopathic Physicians|Hospitalist $127.20 7 5
Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology $122.63 7 6
Podiatric Medicine & Surgery Service Providers|Podiatrist $111.42 6 3
Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology $88.53 5 4
Allopathic & Osteopathic Physicians|Allergy & Immunology|Allergy $81.44 4 1

Providers listed (2,111)

Sorted by name. Sort by amount instead

ProviderSpecialtyStateReported by this company
JENNIFER A BACKUS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family GA $48.95
JENNIFER A YERKE MCNAMARA Allopathic & Osteopathic Physicians|Family Medicine NY $14.48
JENNIFER ANN JAROSLAWSKY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health NY $112.71
JENNIFER CHENG Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $13.78
JENNIFER CHRISTINE GREEN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family UT $34.43
JENNIFER DELGADO-SANTIAGO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL $47.19
JENNIFER DIANE MAY Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology IL $104.40
JENNIFER L GILLIGAN Allopathic & Osteopathic Physicians|Internal Medicine GA $48.57
JENNIFER L MURDOCH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner OR $237.72
JENNIFER LASHAL BROWN Allopathic & Osteopathic Physicians|Obstetrics & Gynecology|Gynecologic Oncology TX $14.60
JENNIFER LIN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant FL $23.84
JENNIFER LYNN JESTEL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner GA $24.56
JENNIFER M RUH Allopathic & Osteopathic Physicians|Family Medicine NY $18.60
JENNIFER MARIE SCHOENFELD Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Adult Health TX $18.98
JENNIFER SAMAAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NJ $13.57
JENNIFER SHELDON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health GA $22.36
JENNIFER SKERO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner TN $91.49
JENNIFER SUMBILLA ANISKO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics MD $93.78
JENNIFER TERESA FRENCH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner MO $41.78
JENNIFER WALK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MO $16.96
JEREMY M GORAL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AZ $54.64
JERROD TAYLOR Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease MS $13.74
JESSE BLAKE KELLUM Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TN $14.95
JESSICA AGUILAR Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical TX $17.80
JESSICA ALBRIGHT Allopathic & Osteopathic Physicians|Pediatrics TN $16.76
JESSICA E HENKE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MO $17.33
JESSICA HOEY Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology NJ $28.63
JESSICA KIM FORGE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner TX $50.15
JESSICA L VINAS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $33.82
JESSICA LAURA PHILLIPS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MO $97.27
JESSICA LYONS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IL $17.86
JESSICA MCGUIRE LONG Allopathic & Osteopathic Physicians|Pediatrics DC $28.34
JESSICA R HUTCHINS Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology GA $23.32
JESSICA RODRIGUES JOHNSON Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical CO $43.99
JESSICA SINGLETON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner TN $21.36
JESSICA WHITLOCK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MO $14.85
JESSLYN LU Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $19.52
JEWEL A STEVENS Allopathic & Osteopathic Physicians|Family Medicine OH $19.88
JIE HE Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MD $15.11
JIGNA PATEL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $22.24
JILLENE M BRATHWAITE Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $20.68
JOAN PARAMBI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MD $66.75
JOAN STUMBO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family OH $20.37
JOANNA CONCEPCION BLANCO Allopathic & Osteopathic Physicians|Internal Medicine NJ $17.03
JOANNE SAINT FORT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health NJ $29.21
JOCELYN URIOSTEGUI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MD $147.44
JODIE MICHELLE THOMAS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner KY $57.41
JOEL A HAHNKE Allopathic & Osteopathic Physicians|Pediatrics AZ $50.43
JOHANNA LASZLOCZKY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NJ $16.20
JOHN C REED Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism GA $24.10