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
HENRY O PORTER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $267.32
HENRY P MOORE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $129.06
HENRY S CHEN Allopathic & Osteopathic Physicians|Internal Medicine NY $29.67
HERBERT P EDMUNDSON Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $474.58
HERMAN C SULLIVAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MI $16.61
HERMINIO CUERVO DELGADO Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $70.74
HERNAN NUNEZ POSAS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology GA $150.90
HERNAN T GATUSLAO Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology VA $123.42
HESHMATOLAH MAJLESSI Allopathic & Osteopathic Physicians|Neurological Surgery MD $22.47
HICHAM AZZOUZI Allopathic & Osteopathic Physicians|Hospitalist AL $11.25
HODA K ELZAWAHRY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $23.42
HONG S KIM Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology CA $217.22
HOSU LEE Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner CA $20.96
HOWARD A ARONOW Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $57.64
HOWARD ANDREW KRAFT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TN $43.44
HOWARD BELFER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $515.05
HOWARD D EHRENFELD Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NV $119.05
HOWARD L GEYER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NY $542.07
HOWARD M SCHECHT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology OH $264.12
HOWARD MANDELL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology SC $66.40
HOWARD MICHAEL NATTER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology PA $143.82
HSIEN CHENG YOUNG Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Sleep Medicine CA $67.34
HUGH H JARNAGIN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family TN $58.97
HUGH J MILLER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology OH $76.44
HUGH XIAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NY $176.24
HUMA BAQUI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NJ $42.80
HUMBERTO LEAL BAILEY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $100.08
HUSHAM MISHU Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology GA $43.94
IAN M PURCELL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $516.21
IBRAHIM M HEGAB Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology VA $123.42
IFTIKHAR A KHAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MI $44.42
IGNATIOS ANDREW PAPAS Allopathic & Osteopathic Physicians|Physical Medicine & Rehabilitation FL $18.91
IGOR MATTHEW CHERCHES Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $47.09
IGOR SOBOL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NJ $50.29
ILKCAN COKGOR Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $211.34
ILLISIA MARIE JOHNSTON Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MS $91.46
INDERMOHAN LUTHRA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $155.52
INDRAVADAN S GATIWALA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NC $165.63
INDURASHMI MAYAKRISHNAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $15.68
INGRID MINOR Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant KY $27.51
INHYUP KIM Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CO $32.10
INTAZAM UDDIN KHAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NY $228.51
IRA NEUSTADT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NY $212.88
IRENE GREENHOUSE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology PA $235.41
IRENE JENNIFER OH Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $277.18
IRENE LITVAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology KY $41.57
IRINA DUKHOVNY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $235.06
IRINA TARABAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CT $95.17
IRIS WINGROVE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $99.93
IRSHAD I HASAN Allopathic & Osteopathic Physicians|Family Medicine OH $28.15