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
JOHN D WULFF Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IN $18,300.87
JOHN DANIEL LEGGE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $41.93
JOHN E CASTALDO Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $64.13
JOHN E GRUBBS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology KY $93.37
JOHN E HUETER JR. Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $23.52
JOHN F SANABRIA Allopathic & Osteopathic Physicians|Surgery PR $17.40
JOHN G SCHMIDT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $15.07
JOHN GREGORY CITTI Allopathic & Osteopathic Physicians|Internal Medicine PA $17.27
JOHN H HARNEY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Clinical Neurophysiology TX $32.32
JOHN H LUCAS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology SC $197.52
JOHN HAROLD AXLEY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $24.80
JOHN HENNESSEY VA $173.49
JOHN J ROBBINS Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant|Medical NC $189.82
JOHN J WALD Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MI $226.57
JOHN J WITTMAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology VA $60.39
JOHN K KIM Allopathic & Osteopathic Physicians|Internal Medicine VA $27.04
JOHN K LOVELL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NV $32.41
JOHN LAWRENCE FREIBERG Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $40.07
JOHN M BUDAY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MI $29.87
JOHN M BURTON Allopathic & Osteopathic Physicians|Emergency Medicine LA $13.30
JOHN M DENGLER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Sleep Medicine TN $79.22
JOHN M MORGAN Dental Providers|Dentist|Oral and Maxillofacial Surgery SC $14.95
JOHN M SEELEY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology KS $34.95
JOHN M WRIGHT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IA $69.68
JOHN MICHAEL LI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $129.53
JOHN N SOLTYS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology AL $55.77
JOHN O BANNON Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology VA $14.88
JOHN P WINIKATES Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IN $37.53
JOHN PATRICK SULLIVAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $175.35
JOHN R SCAGNELLI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NC $25.70
JOHN R WEDLAKE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology OK $109.21
JOHN R WILSON Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IL $35.11
JOHN RISER AL $162.26
JOHN SCHILLING Allopathic & Osteopathic Physicians|Orthopaedic Surgery|Hand Surgery CA $22.24
JOHN SCHILLING Allopathic & Osteopathic Physicians|Radiology|Diagnostic Radiology PA $37.56
JOHN T MUNSHOWER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IN $39.58
JOHN W CHEN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $42.40
JOHN W PIERPONT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology AZ $12.98
JOHN WEST Allopathic & Osteopathic Physicians|Family Medicine WV $40.99
JOHN WOODY HARLAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MO $51.87
JOHN Y CHOI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MD $62.36
JOHNNE LEONCIO Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family CA $18.41
JOHNNIE WATTS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family KY $34.54
JOHNY DENIS ARDELJAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NC $278.33
JON D OLSON Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $18.65
JON P DURRANI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology OH $53.41
JON P KONZEN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology WI $30.76
JON S POLING Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology GA $46.59
JONAS A VANAGS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology GA $71.59
JONATHAN A SULE Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology GA $60.24