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 |
|---|---|---|---|
| JANE V MAYRIN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | PA | 10 |
| JANELIS GONZALEZ | Allopathic & Osteopathic Physicians|Internal Medicine | FL | 1 |
| JANELLE V VIOLAGO | Allopathic & Osteopathic Physicians|Internal Medicine | PA | 1 |
| JANICE CHUA | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care | NJ | 1 |
| JANKI PATEL | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | TX | 1 |
| JANNA K FLINT WILSON | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | LA | 3 |
| JANNA PRATER | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | PA | 9 |
| JAROSLAW S PONDO | Allopathic & Osteopathic Physicians|Internal Medicine | NJ | 1 |
| JARRA L GREEN-CALDERON | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 1 |
| JARROD R LUTTJOHANN | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical | GA | 1 |
| JASKARAN SINGH SIDHU | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | OH | 1 |
| JASLEEN K DUGGAL | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | 3 |
| JASMIN JAVAHERIAN | Allopathic & Osteopathic Physicians|Internal Medicine | CA | 9 |
| JASMINE ANISH | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | IL | 1 |
| JASMINE K BAJAJ | Allopathic & Osteopathic Physicians|Family Medicine | NJ | 1 |
| JASMINE SHARIFAN | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | UT | 1 |
| JASON LING | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | 2 |
| JASPREET K CHAHAL | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | KY | 1 |
| JAVIER ALCID DURON TABORA | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | KY | 3 |
| JAVIER ALEJANDRO GONZALEZ COSME | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 2 |
| JAVIER GONZALEZ | Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease | FL | 2 |
| JAVZANDULAM NATSAG | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MD | 1 |
| JAWAAD KHOKHAR | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MD | 2 |
| JAYA R KOTHAPALLY | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NJ | 1 |
| JAYSHREE DHALI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | IL | 3 |
| JEAN CHEN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 1 |
| JEAN E MOLINARY | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | GA | 2 |
| JEANNETTE R LILLER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | CO | 1 |
| JEANNIE A BAQUERO | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 2 |
| JEANNIE WAYTOVICH | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | MD | 1 |
| JEFFREY A DONOHUE | Allopathic & Osteopathic Physicians|Family Medicine | GA | 1 |
| JEFFREY F PARKER | Allopathic & Osteopathic Physicians|Internal Medicine | CA | 1 |
| JEFFREY FREEMAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | PA | 7 |
| JEFFREY L MILLER | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | PA | 2 |
| JEFFREY N FELDMAN | Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology | NJ | 1 |
| JEFFREY ROTHMAN | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NY | 1 |
| JEFFREY SHIRLEY | Physician Assistants & Advanced Practice Nursing Providers|Clinical Nurse Specialist | GA | 1 |
| JEFFREY T MARSHALL | Allopathic & Osteopathic Physicians|Family Medicine | OH | 1 |
| JEHAD E SALIBA | Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease | NJ | 2 |
| JENA M WILKINSON | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | OH | 1 |
| JENEE B NGUYEN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | LA | 2 |
| JENELLE ROBINSON | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | CA | 1 |
| JENELLE TORRES | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | FL | 2 |
| JENICE CHUMMAR | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | NY | 6 |
| JENNA D FEDEROFF | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | PA | 1 |
| JENNA GUNSELMAN | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | TN | 1 |
| JENNA MCCONNELL | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | OH | 2 |
| JENNA NICOLE GOLDSTEIN | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | NY | 9 |
| JENNA STURGEON | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | AZ | 2 |
| JENNIE DONG | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | AZ | 1 |