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
ALLISON L KEMP Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CO $105.15
ALMOUTAZ BELLAH SHAKALLY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA $29.07
ALOK GOYAL Allopathic & Osteopathic Physicians|Internal Medicine WI $50.69
ALYSSA CIANCIO Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NY $21.63
ALYSSA KLOPFER Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MD $23.33
AMANDA G CARL Allopathic & Osteopathic Physicians|Family Medicine PA $97.74
AMANDA JUDE Allopathic & Osteopathic Physicians|Family Medicine|Geriatric Medicine OH $16.85
AMANDA L DANIEL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $40.13
AMANDA LEIGH RIDENHOUR Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NC $21.45
AMANDA M BONAZZI Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Adult Health TX $24.15
AMANDA M DIXON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family OH $13.65
AMANDA PERO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NY $17.18
AMANDA REED Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics IL $20.13
AMAR ARUNACHALAM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $15.64
AMBER NICOLE JOHNSON Allopathic & Osteopathic Physicians|Internal Medicine NE $19.26
AMER RAHMAN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL $21.17
AMI AMIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $48.17
AMIR KHAN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA $16.95
AMIT BHARGAVA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA $23.92
AMMAR A BAYRAKDAR Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL $20.55
AMMARA AZIZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL $14.51
AMY A RYDIN Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology TX $40.87
AMY ARCENEAUX VITTE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics LA $36.61
AMY E MCLAURIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NC $40.57
AMY L TOBIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $32.84
AMY LABIB Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family GA $18.14
AMY M BURTON Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology TX $58.15
AMY PATEL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical PA $28.87
AMY REBECCA WALTON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology OH $48.96
AMY SHAH Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism OR $85.17
AMY ZANGGER EBY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics AZ $48.57
ANA D KARABELL Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology TN $16.56
ANA RIVADENEIRA RODRIGUEZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MA $14.69
ANALYN T TALIP Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism SC $59.35
ANASTASIA E BARTHELEMY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant PA $18.18
ANASTASIOS MANESSIS Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $73.13
ANDREA C TORRES Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $59.79
ANDREA FERENCZI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $17.15
ANDREA MILAM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $24.68
ANDREINA ROJAS Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $23.86
ANDRES CAZAU Allopathic & Osteopathic Physicians|General Practice FL $20.11
ANDREW GRAF Allopathic & Osteopathic Physicians|Internal Medicine PA $13.04
ANDREW JOSEPH GARZA Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical TX $35.02
ANDREW P BLACK Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical OH $13.46
ANDREW RAVIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $13.78
ANDREW W DAKE Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $16.80
ANGEL A LAZO Allopathic & Osteopathic Physicians|Internal Medicine NJ $16.54
ANGELA B RICHTER Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $47.44
ANGELA D NICASTRO Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical PA $20.01
ANGELA MACERI Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MI $23.11