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
EARLINE J EDWARDS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics NE $37.16
EDGAR MORENO Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $22.60
EDNA L SCHEINDLING-TOKAYER Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $110.14
EDUARDO A VILLA Allopathic & Osteopathic Physicians|Internal Medicine FL $24.86
EDWARD ECHEVARRIA TORRES Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NV $20.70
EDWARD J MUELLERLEILE Allopathic & Osteopathic Physicians|Pediatrics WI $16.71
EDWARD J VECCHIONE Allopathic & Osteopathic Physicians|Internal Medicine NJ $14.88
EDWIN J CROSIER Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical KS $77.12
EILEEN CLARE BORKOVICH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family GA $60.20
EILEEN MARY GILMAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family VA $55.28
ELAINE MARIE SUNDERLIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NC $44.28
ELEAZAR S DIAL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $19.57
ELENA COJOCARU Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NY $634.93
ELENA K MARTINEZ Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant WA $21.89
ELENA NICKOLAEVNA KLIMOVA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care AZ $27.09
ELENI CATLI LISING Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $18.11
ELHAM G NAREI Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner AZ $42.62
ELHAM RABIEI FLORI Allopathic & Osteopathic Physicians|Internal Medicine PA $91.80
ELIA N ESCANAME Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology TX $38.03
ELIAS TZELEPIS Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $33.22
ELINA TROFIMOVSKY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $55.23
ELISA ECHEVARRIA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics FL $38.36
ELISABETH ANN FARMER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics MA $15.90
ELIZABETH A COWAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CO $31.83
ELIZABETH B JENKINS Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism VA $17.51
ELIZABETH BILFINGER HILL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health GA $43.04
ELIZABETH C KERR Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics VA $14.02
ELIZABETH CATHLEEN BUMB Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MO $14.85
ELIZABETH E LITTLEJOHN Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology IL $78.13
ELIZABETH F THOMAS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner OH $23.40
ELIZABETH GRANIERI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $69.11
ELIZABETH GRIGORYAN Allopathic & Osteopathic Physicians|Family Medicine CA $18.61
ELIZABETH H M WILLIAMS Allopathic & Osteopathic Physicians|Internal Medicine MO $17.21
ELIZABETH HEROUX Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MS $13.74
ELIZABETH KURY PEREZ Allopathic & Osteopathic Physicians|Internal Medicine FL $24.90
ELIZABETH MAHONEY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant UT $36.30
ELIZABETH MARIE HUGHES Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical OR $20.47
ELIZABETH RHONDA PEREZ ROMAN Allopathic & Osteopathic Physicians|General Practice PR $66.32
ELIZABETH SARA OOMMEN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $40.71
ELIZABETH SENDLAK Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NY $27.27
ELIZABETH SLAGLE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $37.77
ELIZABETH YOUNG Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care MO $17.21
ELLA ROSENBLOOM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $17.89
ELLEN D CASWELL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MS $19.72
ELLEN OPPENHEIMER Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology NJ $85.97
ELSIE J FOGLIO Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Gastroenterology NJ $32.76
EMILY A REZNICEK Allopathic & Osteopathic Physicians|Family Medicine CO $45.24
EMILY ALEXANDRA LINDSAY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner WA $71.60
EMILY ANNE WHITLOW Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics, Critical Care IL $20.13
EMILY BHANDARE Allopathic & Osteopathic Physicians|Family Medicine MO $57.70