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
LEOPOLDO MALDONADO Allopathic & Osteopathic Physicians|Pediatrics GA $15.30
LESLEE K AUN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health SC $39.86
LIEN N TRINH Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology CA $17.24
LILIANA KETTENBURG Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health AZ $18.08
LILIANA PITU Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner NC $33.23
LILY JOSEPH DC $44.05
LILY OF TRANCHITO Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism OH $16.78
LIMA LAWRENCE Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $23.72
LINA LEYKINA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $21.54
LINA SAADEH Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology KS $18.24
LINDA B BARTON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner NC $21.45
LINDA CHEN NV $36.89
LINDA COHEN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health FL $17.03
LINDA G BROWER Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical NC $30.22
LINDA K MULDER Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant WI $15.47
LINDA MAIDMENT MEYERS Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $105.55
LINDEN V HAGEMANN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AL $38.15
LINDSAY R STEWART Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant PA $32.63
LINDSAY W DAVAGE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health MD $22.36
LINDSEY MARIE PALMER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner SD $19.90
LINH TRUONG Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant TX $18.52
LIQUN SONG Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CT $85.22
LISA A BADON Allopathic & Osteopathic Physicians|Pediatrics CO $42.41
LISA A GREEN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner PA $214.22
LISA C ELDER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $58.75
LISA COCO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner PA $124.74
LISA D QUILLING Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner KS $20.46
LISA DANITA ETTIENNE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family WI $16.71
LISA J HICHKAD Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant GA $22.36
LISA JANE STRAHM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA $75.20
LISA LEE BROCK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family KY $17.68
LISA M GAVOSTO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner FL $16.68
LISA M KNIGHT Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology SC $23.83
LISA M MYERS Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $46.44
LISA PORADZISZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IN $18.77
LISHA JOBIN KALLACHERIL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $15.93
LOGAN A ONEY Allopathic & Osteopathic Physicians|Internal Medicine MI $15.71
LORAYNE A CHUA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism SD $79.23
LORCAN HUGH MCKILLOP Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NY $73.12
LORI B READ Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NJ $42.45
LORI L CICCONE Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical CT $20.03
LORINA WILHELM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $91.49
LORY E BARAZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $17.40
LOUISA L SAWYER SCOTT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner TN $109.99
LOURDES AGUAYO-FIGUEROA Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology NJ $32.35
LOWELL R SCHMELTZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $121.12
LUBNA BASHIR MUNSHI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism OH $53.03
LUCILLE MARTHA SULLIVAN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NJ $14.19
LUCY MARIE ALICE ESTEVE Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $18.53
LUIS CASAUBON Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $24.67