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
SARAH MAKADSI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $15.55
SARAH MICHELLE RUDDER Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant TN $17.21
SARAH R BRICKEY Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology CA $19.91
SARITA DUCHATELIER Allopathic & Osteopathic Physicians|Pediatrics NY $103.74
SAVANNAH SAMIEC Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $16.54
SAYED M AAMIR Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism GA $40.26
SCARLETT B FORD Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical TN $81.98
SCOTT D SHAPIRO Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant FL $65.30
SCOTT L KIEHLMEIER Allopathic & Osteopathic Physicians|Pediatrics NJ $16.08
SCOTT M DORFNER Allopathic & Osteopathic Physicians|Internal Medicine NJ $34.78
SCOTT P GRADY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism OR $15.42
SEAN DEVLIN BLOOR Allopathic & Osteopathic Physicians|Family Medicine OH $20.15
SEAN E SMITHEY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care TN $15.46
SEAN R HAMLETT Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MO $20.25
SEEMA AHLUWALIA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $19.38
SEEMA HAQ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $69.62
SELBY GAGE ROUCH Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NC $33.23
SELENA BEAL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NC $18.83
SERENA A KLUGH Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NV $19.69
SERGE A JABBOUR Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism PA $95.70
SERGIO HERNANDEZ BORGES Allopathic & Osteopathic Physicians|Internal Medicine FL $97.22
SESHA S UPPALAPATI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $177.76
SEVKET YIGIT Allopathic & Osteopathic Physicians|Pediatrics CT $24.78
SEYMOUR J ROSENBLOOM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism GA $23.75
SHAAN SARFRAZ VALJI Allopathic & Osteopathic Physicians|Family Medicine TN $18.68
SHAAN VIJAY PATEL Allopathic & Osteopathic Physicians|Internal Medicine GA $20.99
SHADAN MEHRABAN PA $16.91
SHAELAH HUNTINGTON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics MA $15.29
SHAHED A QUYYUMI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $18.58
SHAHNAZ A RAHMAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry IL $17.50
SHAHZAD A SHADMANY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $14.07
SHALINI PATURI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $29.34
SHAMSA A ALI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $64.16
SHANA L ROARK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $14.12
SHANA R MENCHER Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology NJ $16.94
SHANNON COLEMAN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NY $21.49
SHANNON HASSETT HARVILLE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health FL $40.75
SHANNON M GREGOREK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $35.78
SHANNON MARIE O'BRIEN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care NJ $176.05
SHANNON O'MALLEY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner IL $16.71
SHARAIN F ADAMS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $19.71
SHARAN PARIKH Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $13.21
SHAREE LANEE CHANCE-LAWSON Allopathic & Osteopathic Physicians|Family Medicine WI $19.03
SHARMIL SUMA KUMARAN Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology WV $15.46
SHARMINI ELIZABETH LONG Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CO $164.00
SHARON BETH SCHWARTZ Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics NJ $15.46
SHAWANA STAR BRANCH Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics MO $21.96
SHAWHIN KARIMI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $104.30
SHAWN BINNS Allopathic & Osteopathic Physicians|Pediatrics RI $13.63
SHAZA ALMARDINI PA $22.64