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 |
|---|---|---|---|
| BERRYZAD RAMADAN | Allopathic & Osteopathic Physicians|Pediatrics | MA | 2 |
| BETH A HITE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | VA | 1 |
| BETH ANN WESLOW | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | NY | 1 |
| BETHANY K SCHULTZ | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | SD | 1 |
| BETHANY M STERN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | MO | 2 |
| BETHANY PHELPS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | NY | 1 |
| BETHANY RENNAYE NORWOOD | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | GA | 2 |
| BETSY M CARLISLE | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | NY | 1 |
| BETSY M PALAL | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NV | 2 |
| BETSY R PRESS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | WI | 1 |
| BETTINA L ENGH | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | TN | 2 |
| BETTY COLEMAN-BRADLEY | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | IL | 1 |
| BETUL A HATIPOGLU | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | OH | 2 |
| BHAIRAVI SHESHADRI | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | NC | 1 |
| BHARATHI RAJU | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | MO | 6 |
| BHAVANA NARALA | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology | SC | 1 |
| BHAVESH PATEL | Allopathic & Osteopathic Physicians|Family Medicine | NJ | 2 |
| BHUVANA SUNIL | — | WA | 5 |
| BIANCA D ALFONSO | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 3 |
| BILL JOU | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | CA | 2 |
| BINH D NGUYEN | Allopathic & Osteopathic Physicians|Family Medicine | TX | 1 |
| BISHWAS UPADHYAY | Allopathic & Osteopathic Physicians|Internal Medicine | TX | 1 |
| BLAINE K JACKSON | Allopathic & Osteopathic Physicians|Internal Medicine | CA | 1 |
| BLAKELY ALEXA GARRITY | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | NC | 3 |
| BORIS MAZUROV | Allopathic & Osteopathic Physicians|Internal Medicine | NY | 13 |
| BRADLEY A HISE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | MN | 1 |
| BRADLEY H KESSLER | Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Gastroenterology | NY | 3 |
| BRANDI J HAERER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | MO | 2 |
| BRANDON L ALLARD | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | SD | 1 |
| BRANDON WADE NICHOLS | Allopathic & Osteopathic Physicians|General Practice | NV | 1 |
| BRANDY L FARMER | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | SC | 2 |
| BRANDY MICHELLE HOPKINS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | KS | 1 |
| BRANDY N HOPSON | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | TN | 1 |
| BREANNA L SHENK | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | MS | 1 |
| BRECKEN DEWEY MOORE | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | UT | 4 |
| BRENDA BRADFIELD | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner | CO | 8 |
| BRENDA MCFARLIN | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health | TN | 1 |
| BRENDA SANDOVAL | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | TX | 2 |
| BRENT A BAKER | Allopathic & Osteopathic Physicians|Family Medicine | TN | 1 |
| BRENT D REED | Allopathic & Osteopathic Physicians|Family Medicine | TX | 1 |
| BRETT K KNORR | Allopathic & Osteopathic Physicians|Pediatrics | UT | 1 |
| BRETT M RAWLINS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family | UT | 3 |
| BRIAN FERTIG | — | NJ | 1 |
| BRIAN G EVERHART | Allopathic & Osteopathic Physicians|Internal Medicine | PA | 1 |
| BRIAN M LAKE | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | FL | 1 |
| BRIAN P MURRELL | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant | GA | 3 |
| BRIAN TIMOTHY GABLEHOUSE | Allopathic & Osteopathic Physicians|Pediatrics | CO | 1 |
| BRIAN W BELUCH | Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism | PA | 1 |
| BRIAN WILLIS | Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care | IL | 1 |
| BRIANA V HODGE | Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical | NY | 1 |