Amphastar Pharmaceuticals, Inc.
2,111 providers listed 4,872 records General Payments
General Payments — all loaded program years
- 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.
Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.
Coverage: program years 2019–2025, General Payments only, reported to physicians and non-physician practitioners. Payments to teaching hospitals are not included. Each figure is labeled with its category and program year; categories are never combined.
By program year
| Program year | Reported | Records | Providers | Detail |
|---|---|---|---|---|
| PY2022 | $650.00 | 1 | 1 | This company in PY2022 → |
| PY2023 | $18,317.68 | 248 | 225 | This company in PY2023 → |
| PY2024 | $41,335.88 | 2,161 | 1,339 | This company in PY2024 → |
| PY2025 | $46,730.86 | 2,462 | 1,237 | This company in PY2025 → |
By recipient specialty (68)
Sorted by name; identical names by identifier.
Allopathic & Osteopathic Physicians 48 specialties 1,259 providers
- Allergy & Immunology · Allergy 1
- Anesthesiology 2
- Colon & Rectal Surgery 1
- Emergency Medicine 2
- Emergency Medicine · Emergency Medical Services 2
- Family Medicine 135
- Family Medicine · Geriatric Medicine 1
- General Practice 10
- Hospitalist 5
- Internal Medicine 190
- Internal Medicine · Cardiovascular Disease 4
- Internal Medicine · Endocrinology, Diabetes & Metabolism 687
- Internal Medicine · Gastroenterology 1
- Internal Medicine · Geriatric Medicine 3
- Internal Medicine · Infectious Disease 1
- Internal Medicine · Interventional Cardiology 1
- Internal Medicine · Nephrology 6
- Internal Medicine · Pulmonary Disease 6
- Internal Medicine · Rheumatology 4
- Internal Medicine · Sports Medicine 1
- Internal Medicine · Transplant Hepatology 1
- Nuclear Medicine 1
- Obstetrics & Gynecology 3
- Obstetrics & Gynecology · Gynecologic Oncology 1
- Ophthalmology 1
- Orthopaedic Surgery 1
- Otolaryngology 1
- Pain Medicine · Interventional Pain Medicine 1
- Pathology · Anatomic Pathology & Clinical Pathology 1
- Pediatrics 59
- Pediatrics · Adolescent Medicine 1
- Pediatrics · Developmental - Behavioral Pediatrics 1
- Pediatrics · Pediatric Cardiology 1
- Pediatrics · Pediatric Critical Care Medicine 1
- Pediatrics · Pediatric Endocrinology 98
- Pediatrics · Pediatric Gastroenterology 7
- Pediatrics · Pediatric Hematology-Oncology 1
- Pediatrics · Pediatric Infectious Diseases 1
- Pediatrics · Pediatric Rheumatology 1
- Physical Medicine & Rehabilitation 1
- Plastic Surgery 1
- Psychiatry & Neurology · Neurology 4
- Psychiatry & Neurology · Neurology with Special Qualifications in Child Neurology 2
- Psychiatry & Neurology · Psychiatry 2
- Radiology · Diagnostic Radiology 1
- Surgery 1
- Surgery · Pediatric Surgery 1
- Urology · Urogynecology and Reconstructive Pelvic Surgery 1
Nursing Service Providers 3 specialties 3 providers
Physician Assistants & Advanced Practice Nursing Providers 16 specialties 805 providers
- Clinical Nurse Specialist 2
- Clinical Nurse Specialist · Adult Health 3
- Nurse Practitioner 118
- Nurse Practitioner · Acute Care 12
- Nurse Practitioner · Adult Health 44
- Nurse Practitioner · Family 332
- Nurse Practitioner · Gerontology 8
- Nurse Practitioner · Obstetrics & Gynecology 1
- Nurse Practitioner · Pediatrics 42
- Nurse Practitioner · Pediatrics, Critical Care 1
- Nurse Practitioner · Primary Care 25
- Nurse Practitioner · Psychiatric/Mental Health 2
- Nurse Practitioner · Women's Health 2
- Physician Assistant 155
- Physician Assistant · Medical 54
- Physician Assistant · Surgical 4
Podiatric Medicine & Surgery Service Providers 1 specialty 3 providers
Providers listed (2,111)
Sorted by name; identical names by identifier.
| Provider | Specialty | State | Records reported by this company |
|---|---|---|---|
| EARLINE J EDWARDS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | NE | 2 |
| EDGAR MORENO | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | CA | 1 |
| EDNA L SCHEINDLING-TOKAYER | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 5 |
| EDUARDO A VILLA | Allopathic & Osteopathic Physicians|Internal Medicine | FL | 1 |
| EDWARD ECHEVARRIA TORRES | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NV | 1 |
| EDWARD J MUELLERLEILE | Allopathic & Osteopathic Physicians|Pediatrics | WI | 1 |
| EDWARD J VECCHIONE | Allopathic & Osteopathic Physicians|Internal Medicine | NJ | 1 |
| EDWIN J CROSIER | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical | KS | 4 |
| EILEEN CLARE BORKOVICH | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | GA | 3 |
| EILEEN MARY GILMAN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | VA | 1 |
| ELAINE MARIE SUNDERLIN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NC | 2 |
| ELEAZAR S DIAL | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | CA | 1 |
| ELENA COJOCARU | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | NY | 39 |
| ELENA K MARTINEZ | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | WA | 1 |
| ELENA NICKOLAEVNA KLIMOVA | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care | AZ | 2 |
| ELENI CATLI LISING | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CA | 1 |
| ELHAM G NAREI | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | AZ | 2 |
| ELHAM RABIEI FLORI | Allopathic & Osteopathic Physicians|Internal Medicine | PA | 5 |
| ELIA N ESCANAME | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | TX | 2 |
| ELIAS TZELEPIS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 2 |
| ELINA TROFIMOVSKY | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 3 |
| ELISA ECHEVARRIA | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | FL | 2 |
| ELISABETH ANN FARMER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | MA | 1 |
| ELIZABETH A COWAN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CO | 1 |
| ELIZABETH B JENKINS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | VA | 1 |
| ELIZABETH BILFINGER HILL | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | GA | 2 |
| ELIZABETH C KERR | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | VA | 1 |
| ELIZABETH CATHLEEN BUMB | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | MO | 1 |
| ELIZABETH E LITTLEJOHN | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | IL | 4 |
| ELIZABETH F THOMAS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | OH | 1 |
| ELIZABETH GRANIERI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | 4 |
| ELIZABETH GRIGORYAN | Allopathic & Osteopathic Physicians|Family Medicine | CA | 1 |
| ELIZABETH H M WILLIAMS | Allopathic & Osteopathic Physicians|Internal Medicine | MO | 1 |
| ELIZABETH HEROUX | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | MS | 1 |
| ELIZABETH KURY PEREZ | Allopathic & Osteopathic Physicians|Internal Medicine | FL | 1 |
| ELIZABETH MAHONEY | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | UT | 2 |
| ELIZABETH MARIE HUGHES | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | OR | 1 |
| ELIZABETH RHONDA PEREZ ROMAN | Allopathic & Osteopathic Physicians|General Practice | PR | 3 |
| ELIZABETH SARA OOMMEN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | 2 |
| ELIZABETH SENDLAK | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | NY | 2 |
| ELIZABETH SLAGLE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | TN | 2 |
| ELIZABETH YOUNG | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care | MO | 1 |
| ELLA ROSENBLOOM | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | 1 |
| ELLEN D CASWELL | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MS | 1 |
| ELLEN OPPENHEIMER | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | NJ | 5 |
| ELSIE J FOGLIO | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Gastroenterology | NJ | 2 |
| EMILY A REZNICEK | Allopathic & Osteopathic Physicians|Family Medicine | CO | 1 |
| EMILY ALEXANDRA LINDSAY | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | WA | 3 |
| EMILY ANNE WHITLOW | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics, Critical Care | IL | 1 |
| EMILY BHANDARE | Allopathic & Osteopathic Physicians|Family Medicine | MO | 3 |