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
GERALD CALEGAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $1,017.34
GERALD J FERENCZ Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Vascular Neurology NJ $40.52
GERALD SILVERBOARD Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology GA $147.83
GERARDO A GAMEZ Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $132.54
GERRARD F FERRER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NJ $11.11
GERY FLOREK Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $462.96
GETINET ABEBE KASSA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MD $21.81
GHOLAM A KIANI KHOZANI Allopathic & Osteopathic Physicians|Obstetrics & Gynecology TX $19.13
GILBERT J HO Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $70.21
GILBERT J TOFFOL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology AZ $59.06
GILBERTO M CRUZ Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $361.87
GINA C DAVIS Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family IN $30.36
GINA M G DUEL Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant CA $65.49
GINA M JETTER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $67.99
GINCY SAMUEL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $105.75
GIRISH MANGALICK Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MI $14.74
GLADE C WELKER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family UT $111.37
GLEN SCOTT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology SC $64.81
GLORIA MIRELES Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $12.76
GODOFREDO M ROSSI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $568.92
GONZALO HIDALGO LA $76.73
GOPAL TATAMBHOTLA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $37.11
GORDON R KELLEY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology KS $75.43
GRACE G CHENG Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IL $24.12
GRACE NESPER Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family NY $23.91
GRANT THOMAS BISCHOF Physician Assistants & Advanced Practice Nursing Providers|Physician Assistant NC $14.02
GRAZYNA PIEKOS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology IL $161.69
GREG L FRIEDMAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Psychiatry FL $29.74
GREGORIO S PINEDA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $110.72
GREGORY C SCOTT Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $92.34
GREGORY C TROLLEY Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $73.77
GREGORY D MIEDEN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NC $163.50
GREGORY D SAMBUCHI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology NY $199.11
GREGORY E COOPER Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology KY $45.58
GREGORY J DARDAS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MI $37.50
GREGORY P HANES Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $89.20
GREGORY PARKS Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $11.59
GREGORY V SCOTT Allopathic & Osteopathic Physicians|Pathology|Anatomic Pathology & Clinical Pathology FL $14.78
GRETCHEN H CAMPBELL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TN $21.22
GRETEL TRULLENQUE Allopathic & Osteopathic Physicians|Family Medicine FL $13.32
GRIGOR MICHAEL HARUTUNIAN Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology CA $225.07
GUILLERMO MARIANO ESTRADA Allopathic & Osteopathic Physicians|Internal Medicine ND $121.60
GULSHAN OBEROI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MS $110.72
GULSHAN UPPAL Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MO $236.74
GURDEEP AHLUWALIA Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology MD $333.23
GURLEEN S SIKAND Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology LA $17.99
GURUBASAPPA MOTGI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TX $134.44
HABIBOLLAH GHANAVATI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology FL $16.12
HAFIZ A ELAHI Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology TN $39.55
HAILEY DUNN Physician Assistants & Advanced Practice Nursing Providers|Nurse Practitioner|Family MO $12.71