Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published PY2022–2024 Search official records Methodology

Amphastar Pharmaceuticals, Inc.

1,440 providers listed $60,303.56 reported 2,410 records General Payments

General Payments reported — all loaded program years

$60,303.56

  • Category: General Payments
  • Program years: 2022, 2023, 2024
  • Record count: 2,410
  • Providers listed: 1,440

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How this figure is calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. 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 2018–2024, 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

By recipient specialty (25 shown)

Sorted by reported total.

SpecialtyReportedRecordsProviders
Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism $17,208.87 931 497
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical $15,628.26 80 39
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family $6,733.95 361 221
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant $3,331.92 156 95
Allopathic & Osteopathic Physicians|Internal Medicine $3,291.03 153 115
Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology $2,707.51 143 74
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner $2,689.06 139 84
Allopathic & Osteopathic Physicians|Family Medicine $2,198.87 120 81
Allopathic & Osteopathic Physicians|Pediatrics $1,112.62 57 41
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics $991.43 53 33
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health $680.16 38 26
Allopathic & Osteopathic Physicians|Otolaryngology $650.00 1 1
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care $524.18 29 19
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care $226.41 14 9
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology $178.77 11 7
Allopathic & Osteopathic Physicians|Hospitalist $161.88 9 7
Allopathic & Osteopathic Physicians|General Practice $115.83 6 6
Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease $108.13 6 3
Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Gastroenterology $87.18 5 5
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical $55.20 3 2
Allopathic & Osteopathic Physicians|Pediatrics|Developmental - Behavioral Pediatrics $51.04 3 1
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology $50.35 3 3
Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease $49.71 3 3
Podiatric Medicine & Surgery Service Providers|Podiatrist $44.32 3 1
Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology $42.58 3 2

Providers listed (1,440)

Sorted by name. Sort by amount instead

ProviderSpecialtyStateReported by this company
AAKASH RAJWANI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $18.58
AARON D BUSSEY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $45.78
AARON J STOICK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner SD $19.90
AARON N ROCKOFF Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA $30.85
AARON WILKERSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family UT $20.85
ABBEGAIL JORDAN DEGELOW Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $62.29
ABDALLAH DLEWATI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $21.38
ABDULSALAM K AL KASSAB Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $21.38
ABHIGNA UDAY KUMAR KULKARNI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism DE $36.24
ABHILASHA SINGH Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $14.51
ABHIRAM JAVVAJI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $54.18
ABIGAIL AYAD MAKARY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $32.75
ABIGAIL WALSER TERKELTOUB Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical NC $43.76
ADAM M PERUSKI Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MI $38.85
ADARSH A JHA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CT $45.57
ADEDAPO F OKUSANYA Allopathic & Osteopathic Physicians|Family Medicine WI $18.71
ADELYA MINULINA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NY $94.41
ADIL ALAVI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL $18.17
ADRIANA M LOZANO CUBILLOS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner KS $20.45
ADRIANA SOFIA RUIZ Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical GA $20.72
ADRIENNE ANDERSON Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical GA $20.72
ADRIENNE HARRIS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family LA $14.68
ADRIENNE NATASHA TERRY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant UT $59.18
AHMET BAHADIR ERGIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $80.78
AIRTON PINHEIRO DE MENEZES FL $24.78
AISHA KHAN Allopathic & Osteopathic Physicians|Internal Medicine CT $19.68
AJAY K AGARWALA Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease NY $30.77
ALAN JAY COHEN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $16.55
ALAN MARCUS CA $15.44
ALBARA MARWA Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology MD $37.99
ALEEM A SYED Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA $18.11
ALEJANDRA G BORENSZTEIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $48.16
ALEJANDRA VIRGINIA RIERA GONZALEZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism LA $14.68
ALEJANDRO DIAZ Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology FL $63.27
ALEJANDRO SANTOS LEAL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism VA $14.37
ALEXA EVIE NACEANCENO Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MO $75.76
ALEXANDER M MARKOV Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MO $16.98
ALEXANDRA FEREBEE DANIEL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant GA $18.14
ALEXANDRA H DUBE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CT $79.02
ALEXANDRA LYON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics MA $15.90
ALEXIS SALVA Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant KS $14.03
ALI M AL KHAZAALI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IN $18.17
ALICIA ANDERSON HILL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family UT $16.94
ALICIA GRACE MARKS Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology NM $155.81
ALINA S MOFFITT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care CA $30.80
ALIREZA FALAHATI-NINI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism UT $42.03
ALISON JOAN LUNSFORD Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology SC $23.83
ALLA SAKHAROVA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $58.20
ALLISON B HERBST Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $13.74
ALLISON K HATCHER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family SD $79.23