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
ANGELINO S YSON Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism KY $13.49
ANITA PAPERIELLO OBRIEN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics WI $21.71
ANJANA MYNENI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $32.84
ANN ALTGILBERS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IL $18.81
ANN LOUISE FORDE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner MI $58.21
ANN MARIE FRANCES GABRIELSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health MI $15.71
ANNA BORON Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $36.29
ANNA JOY KAHLER Allopathic & Osteopathic Physicians|Pediatrics CO $42.41
ANNA KISSIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $28.70
ANNA SANDSTROM Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology CA $96.98
ANNA ZIGANSHINA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CT $58.58
ANNE C MAYNARD Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care IL $37.05
ANNIS MARNEY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $32.21
ANTHONY DEL PRIORE Allopathic & Osteopathic Physicians|Internal Medicine IL $43.19
ANTHONY F UBERTI Allopathic & Osteopathic Physicians|Family Medicine PA $20.01
APRIL J LENZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner OH $21.77
ARACELI GONZALEZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family WI $23.07
ARCHANA SHETTY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MD $39.80
ARI GELIEBTER Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $17.07
ARJUN HARIDAS Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism GA $18.41
ARNALDO VILLAFRANCA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $20.75
ARQAM ZIA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $21.53
ARTI A PATEL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism PA $23.29
ARVIND Y KRISHNA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism OH $15.48
ASHLEY CLARK CA $18.70
ASHLEY FERRARO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NJ $17.44
ASHLEY M HOUSE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MS $17.80
ASHLEY NOELLE TEW Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family UT $16.22
ASHLY E JOSEPH Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism GA $21.12
ASHRAF A UDDIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL $22.45
ASHRAF F SHAKER Allopathic & Osteopathic Physicians|Internal Medicine NJ $15.78
ASIF SIDDIQ Allopathic & Osteopathic Physicians|Family Medicine CA $20.55
ATHENA VANZANT Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $35.13
AUBREY EYRE BOHNE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NV $53.04
AUREA YADITH CORDERO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology PA $13.67
AVNI A SHAH Allopathic & Osteopathic Physicians|Pediatrics TX $48.79
AYMAN MAHDI Allopathic & Osteopathic Physicians|Hospitalist IL $17.84
AYMEN M KHOGALI Allopathic & Osteopathic Physicians|Hospitalist WI $20.96
AYUSHI DIXIT Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $13.48
AZARET VILLEDA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $24.15
BANTWAL S BALIGA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AL $34.90
BARBARA A BENNETT Allopathic & Osteopathic Physicians|Family Medicine OH $40.87
BARBARA CARTABUKE-MULE Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NY $80.94
BARBARA HOLDSWORTH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $19.32
BARBARA LOUISE DEPRIEST Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner CO $16.23
BARBARA ONUMAH Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MD $21.69
BARRY J REINER Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology MD $93.79
BASIL OMAR BURNEY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $16.76
BEATRIZ CHANDUVI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MD $46.29
BELA LASCHIVER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner NJ $14.39