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 |
|---|---|---|---|
| ANDREW P BLACK | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | OH | 2 |
| ANDREW PAYNE SMITH | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | SC | 1 |
| ANDREW RAVIN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | 1 |
| ANDREW STEPHEN BOUTSICARIS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | 1 |
| ANDREW W DAKE | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TN | 5 |
| ANGEL A LAZO | Allopathic & Osteopathic Physicians|Internal Medicine | NJ | 1 |
| ANGEL A TEJADA | Allopathic & Osteopathic Physicians|Internal Medicine | TX | 2 |
| ANGEL CRISTIAN DE LA CRUZ TEJADA | Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease | IL | 3 |
| ANGELA B RICHTER | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 3 |
| ANGELA D NICASTRO | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | PA | 3 |
| ANGELA DENISE AGUAS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | FL | 1 |
| ANGELA MACERI | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | MI | 1 |
| ANGELA MICHELLE DORNEY | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | OK | 1 |
| ANGELICA SORISI | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | NJ | 1 |
| ANGELINO S YSON | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | KY | 1 |
| ANIL K SINGH | Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology | NJ | 2 |
| ANITA BHAT | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | 1 |
| ANITA PAPERIELLO OBRIEN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Pediatrics | WI | 1 |
| ANJANA MYNENI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MI | 5 |
| ANJANI R PANDYA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 1 |
| ANJUM HASHIM | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology | NJ | 1 |
| ANN ALTGILBERS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | IL | 1 |
| ANN LOUISE FORDE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | MI | 4 |
| ANN MARIE FRANCES GABRIELSON | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | MI | 1 |
| ANN MARIE SMITH | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | OH | 1 |
| ANN MICHELLE ROQUE MAGUGAT | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CA | 2 |
| ANNA BORON | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | AZ | 3 |
| ANNA JOY KAHLER | Allopathic & Osteopathic Physicians|Pediatrics | CO | 1 |
| ANNA KISSIN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NJ | 3 |
| ANNA MARIE SORIANO SAMSON | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CA | 2 |
| ANNA SANDSTROM | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | CA | 9 |
| ANNA ZIGANSHINA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CT | 2 |
| ANNE C MAYNARD | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Primary Care | IL | 4 |
| ANNIS MARNEY | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TN | 4 |
| ANTHONY DEL PRIORE | Allopathic & Osteopathic Physicians|Internal Medicine | IL | 2 |
| ANTHONY F UBERTI | Allopathic & Osteopathic Physicians|Family Medicine | PA | 2 |
| ANTHONY TED CHUANG | Allopathic & Osteopathic Physicians|Internal Medicine | NM | 1 |
| APRIL J LENZ | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | OH | 1 |
| ARACELI GONZALEZ | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | WI | 2 |
| ARCHANA SHETTY | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MD | 2 |
| ARI GELIEBTER | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NJ | 1 |
| ARJUN HARIDAS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | GA | 1 |
| ARLENE M FEDORCHAK | Allopathic & Osteopathic Physicians|Internal Medicine | OH | 1 |
| ARNALDO VILLAFRANCA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 1 |
| ARQAM ZIA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MI | 1 |
| ARTI A PATEL | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | PA | 1 |
| ARTIT A SILPASUVAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | PA | 1 |
| ARUNDHUTI MOMEN | Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology | NY | 1 |
| ARVIND Y KRISHNA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | OH | 2 |
| ASAAD ELBASHIR | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | CA | 1 |