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
GEORGE GRUNBERGER Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $56.05
GEORGIA R KULINA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY $17.89
GEORGINA POLANCO CASTILLO Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NC $23.45
GERALD M GOLTZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism PA $159.30
GERALDO A SAAVEDRA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism PA $89.70
GHADAH ABDULLAH KARASNEH Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant IL $15.48
GHAZALA ZAFAR Allopathic & Osteopathic Physicians|Internal Medicine MI $21.65
GHYASS RIZK Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism LA $18.57
GINA LYNN BEARDEN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner TN $17.65
GINA MCKELVEY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family SC $15.65
GINA S RUSHING Allopathic & Osteopathic Physicians|Family Medicine TX $18.98
GINGER ANDERSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner OK $136.74
GLENN M STALL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NC $15.62
GLORIAJEAN NELSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family AZ $19.17
GNANAGURDASAN PRAKASAM Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology CA $37.75
GOONJA PATEL Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $22.08
GORDON M WOTTON Allopathic & Osteopathic Physicians|Internal Medicine GA $46.14
GRACE E MCCRACKEN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant OH $384.70
GRACE GILLETTE STAINES Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CT $17.57
GRACE WEN KIM Allopathic & Osteopathic Physicians|Family Medicine TX $21.64
GRACE ZLAKET MATTA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ $53.70
GRAZYNA M PIEKOS-SOBCZAK Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology AZ $15.86
GREG MATTHEW PAVICH Allopathic & Osteopathic Physicians|Pediatrics UT $13.50
GREGG S ZERNICH Allopathic & Osteopathic Physicians|Family Medicine PA $32.55
GREGORIO J GUILLEN Allopathic & Osteopathic Physicians|Internal Medicine|Geriatric Medicine NJ $14.75
GREGREY BERRY Allopathic & Osteopathic Physicians|Hospitalist NE $17.82
GRIFFIN MURRAY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NY $14.98
GRISHMA PARIKH Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $13.93
GUIDO ALARCON MANTILLA Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology FL $21.85
GUO-XIA TONG Allopathic & Osteopathic Physicians|Pathology|Anatomic Pathology & Clinical Pathology NY $18.58
GURKIRAN DHINDSA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MO $15.85
GWYNETH J RECUPERO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family WA $21.74
HABIB M BASHOURA Allopathic & Osteopathic Physicians|Family Medicine CA $20.54
HADIR MOHAMED Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ $15.12
HAFSAH JAWED IQBAL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant VA $99.98
HALEY DANIELLE UBILLUS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics SC $24.66
HAMMAD NAZEER Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX $19.63
HAN LAM Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI $100.97
HANIF M WILLIAMS Allopathic & Osteopathic Physicians|Family Medicine FL $23.64
HANNA FOGG Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism OK $16.30
HANNA HENDERSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $142.71
HANNAH EVANS HAMER Allopathic & Osteopathic Physicians|Pediatrics CO $42.41
HANNAH GANZEL Allopathic & Osteopathic Physicians|Internal Medicine NE $15.35
HANNAH JARVIS Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NV $53.24
HANNAH LEAH ECHOLS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $18.68
HANNAH M GLASSTETTER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner OH $19.81
HANS J FUCHS Allopathic & Osteopathic Physicians|Internal Medicine PA $18.18
HANSEL M RAYNER Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism GA $15.25
HAROLD PRETORIUS Allopathic & Osteopathic Physicians|Nuclear Medicine KY $13.30
HARPREET K RAI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NH $40.77