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
SYED NAVEED HUSSAIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $56.10
SYED Z MOHSIN Allopathic & Osteopathic Physicians|Internal Medicine IL $20.54
TAE'NI CHANG-STROMAN Allopathic & Osteopathic Physicians|Pediatrics IN $16.80
TAHIR HAYTOGLU Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA $16.74
TAI HO SHIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $56.07
TAMARA B MCCLUSKEY Allopathic & Osteopathic Physicians|Pediatrics NJ $13.62
TAMARA BAILEY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MO $16.96
TAMEKA MICHELLE MORGAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $38.52
TAMRA DEE SRIANANT Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CO $168.86
TANMAY P GOSALIA Allopathic & Osteopathic Physicians|Internal Medicine NJ $14.32
TANYA M PIEHL Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics WI $16.71
TANYA SOFIA VILCHEZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care NJ $14.73
TARA MAMDOUHI Allopathic & Osteopathic Physicians|Pediatrics DC $57.68
TARA N HOLGUIN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $13.93
TARA S RAJIYAH Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $65.94
TARCISIO CALIBO DIAZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA $43.51
TATANISHA FUNCHES Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IL $31.39
TATSIANA A BARR Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NJ $46.12
TAYLOR R HENDON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $81.98
TEJESH N PATEL Allopathic & Osteopathic Physicians|Family Medicine WI $20.65
TERRENCE F SWADE Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL $74.38
TERRI LYNN OVERBECK ZISKO Allopathic & Osteopathic Physicians|Family Medicine OH $30.11
TERRI W JERKINS Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $43.17
TESS CHAMAKKALA Allopathic & Osteopathic Physicians|Internal Medicine PA $183.70
THAO DIEU TRAN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $50.10
THERESA FYNN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL $48.34
THERESA J GRASING Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MD $54.36
THERESA MILLER WILLIAMS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NC $160.67
THERESA REHG Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner MO $87.80
THOMAS CHRISTOPHER GRAY Allopathic & Osteopathic Physicians|Family Medicine OR $65.65
THOMAS I DILAMARTER Allopathic & Osteopathic Physicians|Family Medicine NY $21.64
THOMAS J MALVAR Allopathic & Osteopathic Physicians|Family Medicine PA $108.51
THOMAS V SARGERO Allopathic & Osteopathic Physicians|Internal Medicine OH $27.62
THOMAS W DOTY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN $103.53
TIFFANY CLAIRE WAKIM Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IL $20.54
TIFFANY NICOLE CASSIDY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner MI $19.20
TIFFANY RILEY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant UT $17.10
TIFFANY UICHANCO PUREWAL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $18.87
TIMOTHY EUGENE GRAHAM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism UT $41.77
TIMOTHY GERARD WOODS Allopathic & Osteopathic Physicians|Internal Medicine MD $45.44
TIMOTHY J GRAY Allopathic & Osteopathic Physicians|Family Medicine OR $65.65
TIMOTHY LIVETT Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology WI $71.75
TIMOTHY P LONG Allopathic & Osteopathic Physicians|Family Medicine MO $34.34
TINA C BANSAL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL $17.88
TINA CHENG Allopathic & Osteopathic Physicians|Pediatrics NY $139.29
TINA LOUISE VALENTINE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner IL $17.03
TINA M COPPLE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $20.93
TINNI MISHRA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism KS $14.02
TIRA CHAICHA-BROM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $18.53
TOBI IPPOLITO Allopathic & Osteopathic Physicians|Internal Medicine NJ $16.75