Amphastar Pharmaceuticals, Inc.

Saved items

Saved only in this browser. No account or alerts.

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

Centers for Medicare & Medicaid Services, Open Payments

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.

CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state.

Page 1 of 44; records 1–50 of 2161 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

Amphastar Pharmaceuticals, Inc.

CMS reporting company ID 100000000273

General Payments, PY2024; Recipient scope: All recipient types; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 1 of 44; records 1–50 of 2161 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/company/100000000273?year=2024&recipient=all#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/e6b17c6a-2534-4207-a4a1-6746a14911ff

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain
Amphastar Pharmaceuticals, Inc., CMS reporting company ID 100000000273. General Payments, PY2024; Recipient scope: All recipient types; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 44; records 1–50 of 2161 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/company/100000000273?year=2024&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/e6b17c6a-2534-4207-a4a1-6746a14911ff.
APA 7
IndustryPayments. (2026). Amphastar Pharmaceuticals, Inc., CMS reporting company ID 100000000273. General Payments, PY2024; Recipient scope: All recipient types; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 44; records 1–50 of 2161 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/company/100000000273?year=2024&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/e6b17c6a-2534-4207-a4a1-6746a14911ff.
Bluebook
Amphastar Pharmaceuticals, Inc., CMS reporting company ID 100000000273, IndustryPayments, General Payments, PY2024; Recipient scope: All recipient types; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 1 of 44; records 1–50 of 2161 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/e6b17c6a-2534-4207-a4a1-6746a14911ff. https://industrypayments.org/company/100000000273?year=2024&recipient=all#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

Payment records · PY2024

Date, newest first, then reporting company; values as published by CMS.

General Payments · PY2024 · All recipient types · CMS publication 2026-06-30

2,161 matching records · $41,335.88 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 2,161 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 2,161.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
ALLA SAKHAROVA
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $24.7712/25/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149954061 CMS
HAN LAM
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $24.7712/25/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149958099 CMS
ANN LOUISE FORDE
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $24.7712/25/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149958561 CMS
JOSEPH GIANGOLA
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $14.9812/20/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149951011 CMS
KATHERINE N VELEZ
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $16.1712/20/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953152 CMS
TATSIANA A BARR
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $14.9812/20/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953728 CMS
FAY WOOMER
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $14.9812/20/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149960821 CMS
SHERRY K SUSSMAN
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $14.3212/19/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149956350 CMS
MARGARITA TABUDLONG
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $20.3312/19/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149957177 CMS
EYOB M MAKONNEN
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $20.3312/19/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149959037 CMS
JOCELYN URIOSTEGUI
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $20.3212/19/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149959053 CMS
HUGO LIN
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $21.7612/18/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149955370 CMS
VIRGINIA C ARAIZA
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $22.1512/18/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149958777 CMS
NORA BARSONY
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $20.8012/18/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149959412 CMS
KHARY EDWARDS
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $13.9512/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149433138 CMS
CHRISTON GRANT
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $13.9512/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149433172 CMS
VIJAY JOSHI
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $13.9512/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149433198 CMS
AMY M BURTON
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $17.9212/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149950905 CMS
DAVID B KUGLER
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $23.2812/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149951075 CMS
JENNA NICOLE GOLDSTEIN
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $24.3312/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953847 CMS
KATHRYN MARIE SPRINGFIELD
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $17.9212/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149954806 CMS
MATIN SHARAFATKHAH
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $21.2912/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149955792 CMS
SHERRY K SUSSMAN
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $24.3312/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149956366 CMS
MICHAEL H SHANIK
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $23.2812/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149956474 CMS
PETER G WILCOX
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $24.7912/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149957522 CMS
BORIS MAZUROV
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $21.2912/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149959324 CMS
BARBARA CARTABUKE-MULE
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $24.3312/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149960707 CMS
MARINA KURMAN
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $21.2912/17/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149960713 CMS
ASIF SIDDIQ
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $20.5512/16/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953044 CMS
SADIQ H MANDILAWI
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $20.5512/16/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953126 CMS
HABIB M BASHOURA
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $20.5412/16/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149960648 CMS
JOHN E ADAMS
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $18.2012/14/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149960644 CMS
PRIYANKA AGARWAL
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $18.5712/14/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149960682 CMS
JUAN MEDAURA
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $15.7212/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149433256 CMS
MELINA A ROMAN-GERARDINO
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $15.7212/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149433294 CMS
KATHY BERNSTEIN
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $15.7212/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149433362 CMS
PABLITO G NAGPALA
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $15.2512/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149950872 CMS
KIM GIORDANO
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $16.0912/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953050 CMS
FIRAS AKHRASS
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $21.0912/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149956022 CMS
SCOTT L KIEHLMEIER
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $16.0812/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149960638 CMS
LAUREN BURGOON
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $16.0912/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149960686 CMS
DIANE DIFAZIO
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $16.0912/13/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149960696 CMS
SIRLYS ARCON RIOS
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $13.7612/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149433081 CMS
KWESI K GRANT-ACQUAH
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $26.8612/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149433174 CMS
CLARA NORMANYO
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $20.6612/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953098 CMS
HEBERTO R VALDES
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $21.9112/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953131 CMS
JULIA E KELLEY
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $19.2212/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953192 CMS
JOSEPHINE VU
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $3.8512/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953738 CMS
JOSEPHINE VU
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $5.8112/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149953760 CMS
VINAY KAPOOR
Physician / non-physician practitioner
Amphastar Pharmaceuticals, Inc. $20.0912/12/2024 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 1149955225 CMS

Practitioner overview · all loaded program years

2,111 providers listed 4,872 records General Payments

General Payments to practitioners — 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 in these practitioner figures. Each figure is labeled with its category and program year; categories are never combined.

Practitioner payments by program year

Program yearReportedRecordsProvidersDetail
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
Nursing Service Providers 3 specialties 3 providers
Physician Assistants & Advanced Practice Nursing Providers 16 specialties 805 providers
Podiatric Medicine & Surgery Service Providers 1 specialty 3 providers

Providers listed (2,111)

Sorted by name; identical names by identifier.

ProviderSpecialtyStateRecords reported by this company
AAKASH RAJWANI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NY 1
AARON D BUSSEY Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN 4
AARON J STOICK Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner SD 1
AARON N ROCKOFF Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA 3
AARON WILKERSON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family UT 1
AASHISH DESAI Allopathic & Osteopathic Physicians|Internal Medicine|Interventional Cardiology GA 1
ABBEGAIL JORDAN DEGELOW Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN 4
ABBEY JO HENDERSHOTT Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family OH 2
ABDALLAH ALTARSHAN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL 1
ABDALLAH DLEWATI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI 3
ABDEL WAHAB MERI Allopathic & Osteopathic Physicians|Internal Medicine MI 1
ABDULSALAM K AL KASSAB Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism MI 3
ABEL E GONZALEZ Allopathic & Osteopathic Physicians|Internal Medicine NJ 1
ABENA BAAH-FORDJOUR Allopathic & Osteopathic Physicians|Emergency Medicine NY 1
ABHIGNA UDAY KUMAR KULKARNI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism DE 2
ABHILASHA SINGH Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism AZ 1
ABHIRAM JAVVAJI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TX 5
ABIDE BATASSI Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner GA 1
ABIGAIL AYAD MAKARY Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA 2
ABIGAIL WALSER TERKELTOUB Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical NC 5
ADAM J KROE Allopathic & Osteopathic Physicians|Family Medicine NY 2
ADAM M PERUSKI Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant MI 3
ADARSH A JHA Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CT 2
ADEDAPO F OKUSANYA Allopathic & Osteopathic Physicians|Family Medicine WI 1
ADELYA MINULINA Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NY 37
ADENIYI O ODUGBESAN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism GA 3
ADEWUMI ADETAYO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NJ 1
ADIL ALAVI Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism IL 4
ADINA SIKLAWI Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner MI 1
ADRIANA KATZ Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism NJ 1
ADRIANA L DAVIS Allopathic & Osteopathic Physicians|Family Medicine NJ 1
ADRIANA M LOZANO CUBILLOS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner KS 1
ADRIANA SOFIA RUIZ Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical GA 3
ADRIENNE ANDERSON Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical GA 1
ADRIENNE HARRIS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family LA 1
ADRIENNE NATASHA TERRY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant UT 3
AHMED A ARIF Allopathic & Osteopathic Physicians|Internal Medicine MI 1
AHMED ABDUL QADIR Allopathic & Osteopathic Physicians|Family Medicine MI 1
AHMET BAHADIR ERGIN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL 7
AILEEN K WANG Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA 1
AIRTON PINHEIRO DE MENEZES — FL 1
AISHA KHAN Allopathic & Osteopathic Physicians|Internal Medicine CT 1
AISHA ZIKRA KHAN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant IL 1
AJAY K AGARWALA Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease NY 2
ALAN FELDMAN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism FL 2
ALAN JAY COHEN Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism TN 1
ALAN OGDEN MARCUS Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA 1
ALANA KARIE KOEPF BOWMAN Allopathic & Osteopathic Physicians|Family Medicine MI 1
ALBARA MARWA Allopathic & Osteopathic Physicians|Pediatrics|Pediatric Endocrinology MD 2
ALEEM A SYED Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism CA 1