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
VIRGINIA KELLNER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $64.72
VIRGINIA REBOLLAR Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner TX $22.40
VITHALBHAI D DHADUK Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology PA $52.51
VIVIAN L ALLEN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health GA $56.79
VLADAN P MILOSAVLJEVIC Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MA $292.87
VLADIMIR KLINOV Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NJ $25.22
VLADIMIR RAFANOV Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $19.49
VLADIMIR ROYTER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $23.55
WADE B WELCH Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology KS $17.86
WAEL ALABDULKARIM Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $67.72
WAEL HAMO Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology AL $27.07
WAHID RASHIDZADA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Sleep Medicine NY $125.00
WAHID TAZUDEEN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $107.00
WALEED H EL-FEKY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $61.52
WALID WAJIH FREIJ Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Sleep Medicine AL $19.33
WALTER CHUQUISEN MARTINEZ Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology with Special Qualifications in Child Neurology FL $96.48
WALTER EVANS SC $49.59
WALTER PAUL WERCHAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $246.29
WARREN D SPINNER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NY $39.71
WASEEM N IBRAHIM Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $22.74
WAYNE G SHEN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $29.54
WAYNE GREENE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NJ $12.50
WAYNE L WASEMILLER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology OK $11.95
WEI MI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $131.78
WEIGUO ZHAO Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MI $23.57
WEIPING YAO CA $188.32
WEN CHEN Allopathic & Osteopathic Physicians|Pathology|Anatomic Pathology & Clinical Pathology DC $40.06
WEN CHEN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology VA $22.98
WEN CHEN Allopathic & Osteopathic Physicians|Anesthesiology NY $26.44
WENCHIANG HAN CA $68.68
WENDELL R HELVESTON Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MS $152.35
WENDY A CALLEN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Surgical NY $205.38
WENDY A ZADEH Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IA $22.06
WENDY DOROSKI Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Adult Health NY $23.19
WENDY REULMAN Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $66.99
WEREDESELAM MENNA OLANGO Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology GA $53.00
WESLEY CHOU Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology KY $83.67
WESLEY KING Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology AL $72.24
WHITNEY DENISE FEICHTNER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MO $15.41
WHITNEY L MONTGOMERY Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant TX $49.72
WILLIAM A FAUNCE Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant FL $87.22
WILLIAM A PRICKETT Allopathic & Osteopathic Physicians|Hospitalist AL $11.25
WILLIAM A THOMAS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology DE $64.32
WILLIAM B FAIRCLOTH Allopathic & Osteopathic Physicians|Neurological Surgery AL $155.56
WILLIAM BARAJIMENEZ MD $299.64
WILLIAM E HOGANCAMP Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology KY $51.86
WILLIAM EVANS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MS $531.65
WILLIAM F YOUNG Allopathic & Osteopathic Physicians|Neurological Surgery IN $18.93
WILLIAM G FERRELL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NC $56.71
WILLIAM G IRR Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $71.31