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 |
|---|---|---|---|
| LEOPOLDO MALDONADO | Allopathic & Osteopathic Physicians|Pediatrics | GA | 1 |
| LESLEE K AUN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | SC | 1 |
| LIEN N TRINH | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | CA | 1 |
| LILIANA KETTENBURG | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | AZ | 1 |
| LILIANA PITU | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | NC | 2 |
| LILY JOSEPH | — | DC | 3 |
| LILY OF TRANCHITO | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | OH | 1 |
| LIMA LAWRENCE | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MI | 1 |
| LINA LEYKINA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | 1 |
| LINA SAADEH | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | KS | 1 |
| LINDA B BARTON | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | NC | 1 |
| LINDA CHEN | — | NV | 2 |
| LINDA COHEN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | FL | 1 |
| LINDA G BROWER | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | NC | 2 |
| LINDA K MULDER | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | WI | 1 |
| LINDA MAIDMENT MEYERS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TN | 6 |
| LINDEN V HAGEMANN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | AL | 2 |
| LINDSAY R STEWART | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | PA | 2 |
| LINDSAY W DAVAGE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | MD | 1 |
| LINDSEY MARIE PALMER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | SD | 1 |
| LINH TRUONG | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | TX | 1 |
| LIQUN SONG | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CT | 3 |
| LISA A BADON | Allopathic & Osteopathic Physicians|Pediatrics | CO | 1 |
| LISA A GREEN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | PA | 11 |
| LISA C ELDER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | TN | 3 |
| LISA COCO | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | PA | 7 |
| LISA D QUILLING | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | KS | 1 |
| LISA DANITA ETTIENNE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | WI | 1 |
| LISA J HICHKAD | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | GA | 1 |
| LISA JANE STRAHM | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | 4 |
| LISA LEE BROCK | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | KY | 1 |
| LISA M GAVOSTO | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | FL | 1 |
| LISA M KNIGHT | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | SC | 1 |
| LISA M MYERS | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TN | 3 |
| LISA PORADZISZ | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | IN | 1 |
| LISHA JOBIN KALLACHERIL | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NJ | 1 |
| LOGAN A ONEY | Allopathic & Osteopathic Physicians|Internal Medicine | MI | 1 |
| LORAYNE A CHUA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | SD | 1 |
| LORCAN HUGH MCKILLOP | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | NY | 4 |
| LORI B READ | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | NJ | 3 |
| LORI L CICCONE | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | CT | 1 |
| LORINA WILHELM | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | TN | 5 |
| LORY E BARAZ | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | AZ | 1 |
| LOUISA L SAWYER SCOTT | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | TN | 6 |
| LOURDES AGUAYO-FIGUEROA | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | NJ | 2 |
| LOWELL R SCHMELTZ | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MI | 6 |
| LUBNA BASHIR MUNSHI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | OH | 3 |
| LUCILLE MARTHA SULLIVAN | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | NJ | 1 |
| LUCY MARIE ALICE ESTEVE | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 1 |
| LUIS CASAUBON | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 1 |