Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · PY2019–2021 Search official records Methodology

Adamas Pharmaceuticals, Inc.

3,632 providers listed $2,315,615.37 reported 20,045 records General Payments

General Payments reported — all loaded program years

$2,315,615.37

  • Category: General Payments
  • Program years: 2019, 2020, 2021
  • Record count: 20,045
  • Providers listed: 3,632

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

How this figure is calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. Nothing is estimated, weighted, or combined across categories.
  • Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.
  • Methodology & Data — sourcing, labeling, and limitations.

Coverage: program years 2019–2025, General Payments only. Each figure is labeled with its category and program year; categories are never combined.

By program year

Program yearReportedRecordsProviders
PY2019 $1,036,602.03 6,946 2,059
PY2020 $572,897.24 5,711 1,759
PY2021 $706,116.10 7,388 2,227

By recipient specialty (25 shown)

Sorted by reported total.

SpecialtyReportedRecordsProviders
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology $2,147,115.45 16,066 2,461
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry $63,550.73 158 28
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family $8,625.69 519 181
Allopathic & Osteopathic Physicians|Internal Medicine $8,380.32 224 87
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant $6,535.44 370 113
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner $5,813.72 270 106
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Clinical Neurophysiology $5,507.16 350 39
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical $3,224.14 125 38
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology $2,304.30 134 34
Allopathic & Osteopathic Physicians|Neurological Surgery $1,937.22 105 39
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Sleep Medicine $1,833.83 91 19
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health $1,760.98 92 33
Allopathic & Osteopathic Physicians|Family Medicine $1,541.28 78 45
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Epilepsy $1,382.22 94 11
Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation $1,238.23 66 24
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neuromuscular Medicine $1,123.75 68 12
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Acute Care $697.70 37 17
Allopathic & Osteopathic Physicians|Neuromusculoskeletal Medicine & OMM $654.33 48 10
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Vascular Neurology $653.42 34 14
Allopathic & Osteopathic Physicians|Hospitalist $583.42 40 27
Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology $516.53 26 6
Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical $498.32 24 4
Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Gerontology $430.48 23 12
Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Diagnostic Neuroimaging $407.48 27 5
Allopathic & Osteopathic Physicians|Radiology|Diagnostic Radiology $398.30 20 13

Providers listed (3,632)

Sorted by name. Sort by amount instead

ProviderSpecialtyStateReported by this company
MICHAEL I ZUFLACHT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $79.23
MICHAEL J ANDRIOLA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $169.57
MICHAEL J WASSERMAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IL $63.50
MICHAEL J ZUPANCIC Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $52.16
MICHAEL JAMES KUSHNER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NC $25.15
MICHAEL JON MATTICE Allopathic & Osteopathic Physicians|Preventive Medicine|Medical Toxicology FL $15.40
MICHAEL K GREENBERG Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MD $16.62
MICHAEL K SAUTER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology PA $144.33
MICHAEL M AMIRI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NC $90.01
MICHAEL M DAO Allopathic & Osteopathic Physicians|Internal Medicine CA $188.55
MICHAEL M MCCAFFREY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology SC $86.26
MICHAEL MERKEY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology OK $15.33
MICHAEL NISSENBAUM Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NY $16.39
MICHAEL P CHARLET Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $67.14
MICHAEL P SULLIVAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $41.24
MICHAEL P TAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $172.23
MICHAEL R SORRELL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MA $210.22
MICHAEL REZAK Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IL $6,400.00
MICHAEL RK JACOBY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IA $34.40
MICHAEL S BAUGH Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology GA $403.61
MICHAEL S DEW Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TN $299.51
MICHAEL S MAYRON Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology KY $210.34
MICHAEL SCHWARTZ Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IL $37.84
MICHAEL SIEGEL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $588.88
MICHAEL SOILEAU Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $223.78
MICHAEL SOLIMAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $21.16
MICHAEL STEPHEN LA SALA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry FL $125.00
MICHAEL T HAPPEL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $199.04
MICHAEL THOMPSON CA $22.15
MICHAEL TURNER Allopathic & Osteopathic Physicians|Urology SC $12.50
MICHAEL W BRUEGGEMAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TN $84.56
MICHAEL W CHEN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IA $151.20
MICHAEL W DELANEY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $106.77
MICHAEL W GROF Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MI $73.50
MICHAEL W SHEN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $120.39
MICHAEL X LIU Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IL $86.81
MICHAIL VASILAKIS Allopathic & Osteopathic Physicians|Neurological Surgery OH $18.14
MICHELE A WOOD Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MO $107.98
MICHELE ANN GATHERIDGE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CO $61.62
MICHELE L OFNER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $31.62
MICHELE T LONGO Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $40.07
MICHELLE A FERREIRA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $273.27
MICHELLE ANTOINETTE WHETSTONE-BAKER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TX $42.73
MICHELLE CAMERON Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology OR $18,770.33
MICHELLE L BREWER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TN $4,426.66
MICHELLE L DAGOSTINE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CT $93,268.15
MICHELLE L RAPHAEL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CO $44.15
MICHELLE L SANTIAGO Allopathic & Osteopathic Physicians|Hospitalist FL $86.49
MICHELLE M DOMPENCIEL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $373.93
MICHELLE R NOEL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology OH $11.46