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
LUIS EDUARDO BERMUDEZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $46.78
LUIS M GARZON Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical FL $24.31
LUISA FERNANDA LEAL Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist|Adult Health TN $35.58
LUISA MARIA RODRIGUEZ Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology TX $23.73
LYNN A ESTELLE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics NY $58.84
LYUBA BELITSKY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $19.64
MAALI M MILHEM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IN $24.56
MADHAVI GADDAM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $69.61
MADHUR M DASS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IL $31.92
MADHURI RAO DEVDHAR Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $34.21
MADHURIMA ADULLA Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology GA $20.99
MAGDALENE MARIA SZUSZKIEWICZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $34.74
MAHA F ANSARA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $44.32
MAHA M GHALIB Allopathic & Osteopathic Physicians|Internal Medicine MI $18.60
MAHA ZIKRA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $111.02
MAHENDRA GHANTA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $13.94
MAHER GHAWJI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $19.84
MAHER GHAWJI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $19.85
MAHFUZUL H KHAN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MD $18.64
MAHMOOD FATTOOH MOOSA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $36.56
MAHROKH NOKHBEHZAEIM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism KY $13.49
MAHVEEN ETHEZAZ Allopathic & Osteopathic Physicians|Family Medicine IL $22.12
MAHWASH FATIMA SIDDIQUI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL $33.64
MAJA DAVIDSON Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $41.10
MALEK MUSHREF Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism GA $24.62
MALLU C REDDY Allopathic & Osteopathic Physicians|Internal Medicine CA $17.04
MAMTA CHHETRI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism PA $37.31
MANAAL KHAN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MI $46.69
MANDEEP K GILL Allopathic & Osteopathic Physicians|Family Medicine NV $113.13
MANI BASHYAM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism PA $110.90
MANISHA BHUTANI Allopathic & Osteopathic Physicians|Internal Medicine NY $21.14
MANITA CHOUDHARY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA $18.71
MARC ANTONY STEZZI Allopathic & Osteopathic Physicians|Internal Medicine PA $93.41
MARC I SANDBERG Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $15.92
MARCELLA VALDES FL $20.19
MARGARET BUTAUD Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family KS $19.95
MARGARET L ZACHEWICZ Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical PA $33.47
MARGARET MARY HANNON Allopathic & Osteopathic Physicians|Family Medicine IL $22.12
MARGARET TING RYAN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism PA $13.51
MARGARITA TABUDLONG Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MD $114.84
MARGOT ANTONELLO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family PA $63.19
MARIA A LAVAIA Allopathic & Osteopathic Physicians|Pediatrics NJ $16.23
MARIA A NUNEZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NJ $17.72
MARIA ARGOUD Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical CA $15.49
MARIA D MANDRY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant FL $38.62
MARIA D OLIVERA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family FL $20.19
MARIA NIEN-FENG LEE Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $18.55
MARIA P WILLIAMS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner LA $14.17
MARIA S FLORES-DIEPPA Allopathic & Osteopathic Physicians|Family Medicine NJ $16.37
MARIA S GUEVARRA Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology NY $124.58