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 |
|---|---|---|---|
| AMANDA REED | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | IL | 1 |
| AMANDA THIDARAT SCHUCK PHAN | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Gastroenterology | TX | 1 |
| AMANDA VICTORIA WRIGHT | Allopathic & Osteopathic Physicians|Internal Medicine | AL | 1 |
| AMAR ARUNACHALAM | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 1 |
| AMBER ELIZABETH PINSON-HILKEMEYER | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MO | 1 |
| AMBER NICOLE JOHNSON | Allopathic & Osteopathic Physicians|Internal Medicine | NE | 3 |
| AMER KASSAR | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | 1 |
| AMER RAHMAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | 4 |
| AMI AMIN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NJ | 3 |
| AMIEE MARIN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | TX | 2 |
| AMIR ALEMZADEH | Allopathic & Osteopathic Physicians|Internal Medicine | VA | 1 |
| AMIR HARARI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | AZ | 3 |
| AMIR KHAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | 1 |
| AMIT BHARGAVA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | 2 |
| AMIT C VORA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TN | 1 |
| AMMAR A BAYRAKDAR | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | 1 |
| AMMARA AZIZ | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | 1 |
| AMRUTA THAKKAR | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | CA | 1 |
| AMY A RYDIN | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | TX | 3 |
| AMY ARCENEAUX VITTE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | LA | 2 |
| AMY B DAVIES | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | MI | 1 |
| AMY BURTON | Allopathic & Osteopathic Physicians|Emergency Medicine|Emergency Medical Services | TX | 2 |
| AMY E MCLAURIN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NC | 4 |
| AMY GOODWIN BAIRD | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | KY | 1 |
| AMY J CARTER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | OR | 2 |
| AMY KNICKERBOCKER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | PA | 1 |
| AMY L TOBIN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MI | 5 |
| AMY LABIB | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | GA | 1 |
| AMY LAURA MOLDER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Obstetrics & Gynecology | TN | 1 |
| AMY M BURTON | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | TX | 5 |
| AMY N BELOTT | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical | OH | 1 |
| AMY PATEL | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | PA | 4 |
| AMY REBECCA WALTON | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology | OH | 3 |
| AMY SHAH | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | OR | 5 |
| AMY ZANGGER EBY | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | AZ | 5 |
| ANA D KARABELL | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | TN | 1 |
| ANA RIVADENEIRA RODRIGUEZ | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MA | 1 |
| ANALYN T TALIP | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | SC | 2 |
| ANAN A FAIDI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | 1 |
| ANASTASIA E BARTHELEMY | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | PA | 1 |
| ANASTASIOS MANESSIS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | 4 |
| ANDREA C TORRES | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 3 |
| ANDREA FERENCZI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | AZ | 1 |
| ANDREA MILAM | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | TX | 2 |
| ANDREINA ROJAS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 1 |
| ANDRES CAZAU | Allopathic & Osteopathic Physicians|General Practice | FL | 1 |
| ANDRES EFRAIN SPLENSER | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 2 |
| ANDREW GRAF | Allopathic & Osteopathic Physicians|Internal Medicine | PA | 1 |
| ANDREW HANNA | Allopathic & Osteopathic Physicians|Internal Medicine | NE | 1 |
| ANDREW JOSEPH GARZA | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | TX | 2 |