Healthcare provider profile · identity verified

Weiwei Dai, D.O.

Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology · RIO RANCHO, NM · NPI 1417248469

Profile state: payments and partd Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

CMS Open Payments records show Weiwei Dai, D.O. received $101,833.44 in general payments during 2025 across 340 reported records.

ABBVIE INC. accounted for 47.1% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 37 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Botox, Nurtec Odt, Qulipta, Rexulti, Ubrelvy.

ABBVIE INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported BOTOX as an associated drug or biological on 140321 records involving 30103 distinct recipient NPIs. Public Medicare Part D data also shows 36 claims for Botox by this doctor in 2024.

ABBVIE INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported QULIPTA as an associated drug or biological on 298617 records involving 58957 distinct recipient NPIs. Public Medicare Part D data also shows 42 claims for Qulipta by this doctor in 2024.

ABBVIE INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported UBRELVY as an associated drug or biological on 299803 records involving 61203 distinct recipient NPIs. Public Medicare Part D data also shows 94 claims for Ubrelvy by this doctor in 2024.

Lundbeck LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported REXULTI as an associated drug or biological on 71829 records involving 25812 distinct recipient NPIs. Public Medicare Part D data also shows 22 claims for Rexulti by this doctor in 2024.

Otsuka America Pharmaceutical, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported REXULTI as an associated drug or biological on 160756 records involving 46288 distinct recipient NPIs. Public Medicare Part D data also shows 22 claims for Rexulti by this doctor in 2024.

Otsuka Pharmaceutical Development & Commercialization, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported REXULTI as an associated drug or biological on 1463 records involving 1088 distinct recipient NPIs. Public Medicare Part D data also shows 22 claims for Rexulti by this doctor in 2024.

PFIZER INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported NURTEC ODT as an associated drug or biological on 217574 records involving 54025 distinct recipient NPIs. Public Medicare Part D data also shows 50 claims for Nurtec Odt by this doctor in 2024.

SK Life Science, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported XCOPRI as an associated drug or biological on 1992 records involving 782 distinct recipient NPIs. Public Medicare Part D data also shows 12 claims for Xcopri by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$101,833.44

340 reported records · 33 companies

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
ABBVIE INC. Unresolved — no canonical attribution shown $48,010.2347.1%1442025
PFIZER INC. Unresolved — no canonical attribution shown $31,396.7430.8%472025
Lundbeck LLC Unresolved — no canonical attribution shown $19,408.3419.1%712025
Eisai Inc. Unresolved — no canonical attribution shown $360.610.3%52025
Lilly USA, LLC Unresolved — no canonical attribution shown $276.400.3%52025
Otsuka Pharmaceutical Development & Commercialization, Inc. Unresolved — no canonical attribution shown $249.420.2%22025
Novartis Pharmaceuticals Corporation Unresolved — no canonical attribution shown $222.140.2%92025
Janssen Biotech, Inc. Unresolved — no canonical attribution shown $194.300.2%42025
Biogen, Inc. Unresolved — no canonical attribution shown $185.640.2%42025
Amneal Pharmaceuticals LLC Unresolved — no canonical attribution shown $144.460.1%32025
AstraZeneca Pharmaceuticals LP Unresolved — no canonical attribution shown $137.840.1%42025
Genentech, Inc. Unresolved — no canonical attribution shown $129.620.1%12025
ARGENX US, INC. Unresolved — no canonical attribution shown $125.000.1%12025
Averitas Pharma Inc. Unresolved — no canonical attribution shown $117.590.1%12025
Neurocrine BioSciences, Inc. Unresolved — no canonical attribution shown $112.190.1%62025
C2N Diagnostics, LLC Unresolved — no canonical attribution shown $110.510.1%22025
Neurelis, Inc. Neurelis, Inc.
exact · evidence 2025-02-20
$95.970.1%52025
CSL Behring Unresolved — no canonical attribution shown $62.640.1%32025
Otsuka America Pharmaceutical, Inc. Unresolved — no canonical attribution shown $58.320.1%32025
Teva Pharmaceuticals USA, Inc. Unresolved — no canonical attribution shown $57.940.1%32025
Alexion Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $54.300.1%22025
EMD Serono, Inc. Unresolved — no canonical attribution shown $47.990.1%22025
SK Life Science, Inc. SK Life Science, Inc.
exact · evidence 2025-04-03
$42.770.0%12025
GE HEALTHCARE Unresolved — no canonical attribution shown $37.250.0%22025
UCB, Inc. Unresolved — no canonical attribution shown $32.500.0%22025
Takeda Pharmaceuticals U.S.A., Inc. Unresolved — no canonical attribution shown $30.370.0%12025
Amgen Inc. Unresolved — no canonical attribution shown $21.790.0%12025
JAZZ PHARMACEUTICALS INC. Unresolved — no canonical attribution shown $21.320.0%12025
Genentech USA, Inc. Unresolved — no canonical attribution shown $20.280.0%12025
Merz Pharmaceuticals, LLC Unresolved — no canonical attribution shown $19.590.0%12025
ACADIA Pharmaceuticals Inc Unresolved — no canonical attribution shown $16.750.0%12025
Grifols USA, LLC Unresolved — no canonical attribution shown $16.320.0%12025
TG Therapeutics, Inc. Unresolved — no canonical attribution shown $16.310.0%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$61,662.5020
Honoraria$12,035.005
Consulting Fee$11,151.8819
Food and Beverage$8,523.72237
Travel and Lodging$8,427.8457
Education$32.502

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
QULIPTA
Normalized: qulipta
Drug ABBVIE INC. $33,510.65 112 2025
Source payment records
NURTEC ODT
Normalized: nurtec odt
Drug PFIZER INC. $25,203.03 40 2025
Source payment records
VYEPTI
Normalized: vyepti
Biological Lundbeck LLC $19,408.34 71 2025
Source payment records
UBRELVY
Normalized: ubrelvy
Drug ABBVIE INC. $14,492.60 48 2025
Source payment records
BOTOX
Normalized: botox
Biological ABBVIE INC. $14,422.41 30 2025
Source payment records
ZAVZPRET
Normalized: zavzpret
Drug PFIZER INC. $6,832.66 20 2025
Source payment records
REXULTI
Normalized: rexulti
Drug Otsuka America Pharmaceutical, Inc., Otsuka Pharmaceutical Development & Commercialization, Inc. $307.74 5 2025
Source payment records
KESIMPTA
Normalized: kesimpta
Drug Novartis Pharmaceuticals Corporation $222.14 9 2025
Source payment records
TYSABRI
Normalized: tysabri
Biological Biogen, Inc. $185.64 4 2025
Source payment records
KISUNLA
Normalized: kisunla
Drug Lilly USA, LLC $170.63 4 2025
Source payment records
Leqembi
Normalized: leqembi
Drug Eisai Inc. $149.70 3 2025
Source payment records
WAINUA
Normalized: wainua
Drug AstraZeneca Pharmaceuticals LP $137.84 4 2025
Source payment records
CREXONT
Normalized: crexont
Drug Amneal Pharmaceuticals LLC $130.20 2 2025
Source payment records
Ocrevus
Normalized: ocrevus
Biological Genentech, Inc. $129.62 1 2025
Source payment records
VYVGART
Normalized: vyvgart
Drug ARGENX US, INC. $125.00 1 2025
Source payment records
QUTENZA
Normalized: qutenza
Drug Averitas Pharma Inc. $117.59 1 2025
Source payment records
INGREZZA
Normalized: ingrezza
Drug Neurocrine BioSciences, Inc. $112.19 6 2025
Source payment records
PRECIVITYAD2
Normalized: precivityad2
Device C2N Diagnostics, LLC $110.51 2 2025
Source payment records
VYALEV
Normalized: vyalev
Drug ABBVIE INC. $99.75 1 2025
Source payment records
VALTOCO
Normalized: valtoco
Drug Neurelis, Inc. $95.97 5 2025
Source payment records
Hizentra
Normalized: hizentra
Biological CSL Behring $62.64 3 2025
Source payment records
AUSTEDO XR
Normalized: austedo xr
Drug Teva Pharmaceuticals USA, Inc. $57.94 3 2025
Source payment records
ULTOMIRIS
Normalized: ultomiris
Biological Alexion Pharmaceuticals, Inc. $54.30 2 2025
Source payment records
HYQVIA
Normalized: hyqvia
Biological Takeda Pharmaceuticals U.S.A., Inc. $30.37 1 2025
Source payment records
AMYVID
Normalized: amyvid
Drug Lilly USA, LLC $24.60 1 2025
Source payment records
UPLIZNA
Normalized: uplizna
Biological Amgen Inc. $21.79 1 2025
Source payment records
EPIDIOLEX
Normalized: epidiolex
Drug JAZZ PHARMACEUTICALS INC. $21.32 1 2025
Source payment records
Ocrevus Zunovo
Normalized: ocrevus zunovo
Biological Genentech USA, Inc. $20.28 1 2025
Source payment records
AMPYRA
Normalized: ampyra
Drug Merz Pharmaceuticals, LLC $19.59 1 2025
Source payment records
INBRIJA
Normalized: inbrija
Drug Merz Pharmaceuticals, LLC $19.59 1 2025
Source payment records
Xeomin
Normalized: xeomin
Biological Merz Pharmaceuticals, LLC $19.59 1 2025
Source payment records
Zilbrysq
Normalized: zilbrysq
Drug UCB, Inc. $17.50 1 2025
Source payment records
NUPLAZID
Normalized: nuplazid
Drug ACADIA Pharmaceuticals Inc $16.75 1 2025
Source payment records
Gamunex-C
Normalized: gamunex c
Biological Grifols USA, LLC $16.32 1 2025
Source payment records
BRIUMVI
Normalized: briumvi
Drug TG Therapeutics, Inc. $16.31 1 2025
Source payment records
Rystiggo
Normalized: rystiggo
Drug UCB, Inc. $15.00 1 2025
Source payment records
ONGENTYS
Normalized: ongentys
Drug Amneal Pharmaceuticals LLC $14.26 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
BOTOX
botox
2025 Botox 2024 36 exact normalized Medicare Part D
NURTEC ODT
nurtec odt
2025 Nurtec Odt 2024 50 exact normalized Medicare Part D
QULIPTA
qulipta
2025 Qulipta 2024 42
Beneficiary count suppressed
exact normalized Medicare Part D
REXULTI
rexulti
2025 Rexulti 2024 22
Beneficiary count suppressed
exact normalized Medicare Part D
UBRELVY
ubrelvy
2025 Ubrelvy 2024 94 exact normalized Medicare Part D

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 BOTOX
open payments reported associated product
CMS Open Payments — General Payments
140321 supporting records · 30103 recipient NPIs · example record 1201352642
Botox · 2024
Exact normalized brand match · 1 Part D row
36 14
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 QULIPTA
open payments reported associated product
CMS Open Payments — General Payments
298617 supporting records · 58957 recipient NPIs · example record 1201352530
Qulipta · 2024
Exact normalized brand match · 1 Part D row
42 suppressed by CMS
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 UBRELVY
open payments reported associated product
CMS Open Payments — General Payments
299803 supporting records · 61203 recipient NPIs · example record 1201352530
Ubrelvy · 2024
Exact normalized brand match · 1 Part D row
94 39
Lundbeck LLC
Exact reporting entity; no affiliate inference
2025 REXULTI
open payments reported associated product
CMS Open Payments — General Payments
71829 supporting records · 25812 recipient NPIs · example record 1251759986
Rexulti · 2024
Exact normalized brand match · 1 Part D row
22 suppressed by CMS
Otsuka America Pharmaceutical, Inc.
Exact reporting entity; no affiliate inference
2025 REXULTI
open payments reported associated product
CMS Open Payments — General Payments
160756 supporting records · 46288 recipient NPIs · example record 1227267708
Rexulti · 2024
Exact normalized brand match · 1 Part D row
22 suppressed by CMS
Otsuka Pharmaceutical Development & Commercialization, Inc.
Exact reporting entity; no affiliate inference
2025 REXULTI
open payments reported associated product
CMS Open Payments — General Payments
1463 supporting records · 1088 recipient NPIs · example record 1225319865
Rexulti · 2024
Exact normalized brand match · 1 Part D row
22 suppressed by CMS
PFIZER INC.
Exact reporting entity; no affiliate inference
2025 NURTEC ODT
open payments reported associated product
CMS Open Payments — General Payments
217574 supporting records · 54025 recipient NPIs · example record 1228794063
Nurtec Odt · 2024
Exact normalized brand match · 1 Part D row
50 15
SK Life Science, Inc.
Exact reporting entity; no affiliate inference
2025 XCOPRI
open payments reported associated product
CMS Open Payments — General Payments
1992 supporting records · 782 recipient NPIs · example record 1252276115
Xcopri · 2024
Exact normalized brand match · 1 Part D row
12 suppressed by CMS

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Sumatriptan SuccinateSumatriptan Succinate458129
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine40792
Naratriptan HclNaratriptan Hcl27373
Memantine HclMemantine Hcl26076
TopiramateTopiramate255101
GabapentinGabapentin23357
Aimovig AutoinjectorErenumab-Aooe20434
Donepezil HclDonepezil Hcl20374
LamotrigineLamotrigine18450
RizatriptanRizatriptan Benzoate18070
LevetiracetamLevetiracetam16254
Carbidopa-LevodopaCarbidopa/Levodopa15952
SumatriptanSumatriptan12932
PrimidonePrimidone10938
UbrelvyUbrogepant9439
Emgality PenGalcanezumab-Gnlm8315
Propranolol HclPropranolol Hcl8028
Duloxetine HclDuloxetine Hcl7925
Atorvastatin CalciumAtorvastatin Calcium7227
Ondansetron OdtOndansetron6227
PregabalinPregabalin6216
Amitriptyline HclAmitriptyline Hcl6018
Nortriptyline HclNortriptyline Hcl5622
OxcarbazepineOxcarbazepine5216
LacosamideLacosamide50suppressed
Nurtec OdtRimegepant Sulfate5015
ClopidogrelClopidogrel Bisulfate4315
Pyridostigmine BromidePyridostigmine Bromide42suppressed
QuliptaAtogepant42suppressed
RivastigmineRivastigmine Tartrate4111
DiazepamDiazepam3711
BotoxOnabotulinumtoxina3614
CarbamazepineCarbamazepine3112
Valproic AcidValproic Acid (As Sodium Salt)31suppressed
Trazodone HclTrazodone Hcl3013
ClonazepamClonazepam28suppressed
PrednisonePrednisone28suppressed
TeriflunomideTeriflunomide27suppressed
Mycophenolate MofetilMycophenolate Mofetil25suppressed
Carbamazepine ErCarbamazepine24suppressed
Metoclopramide HclMetoclopramide Hcl24suppressed
MirtazapineMirtazapine24suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended24suppressed
LorazepamLorazepam2315
Propranolol Hcl ErPropranolol Hcl23suppressed
Clorazepate DipotassiumClorazepate Dipotassium22suppressed
PhenobarbitalPhenobarbital22suppressed
RexultiBrexpiprazole22suppressed
Promethazine HclPromethazine Hcl21suppressed
Sertraline HclSertraline Hcl21suppressed
SimvastatinSimvastatin2112
Tizanidine HclTizanidine Hcl21suppressed
Ajovy AutoinjectorFremanezumab-Vfrm18suppressed
Frovatriptan SuccinateFrovatriptan Succinate18suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
ZolmitriptanZolmitriptan17suppressed
BaclofenBaclofen15suppressed
LisinoprilLisinopril14suppressed
Verapamil ErVerapamil Hcl14suppressed
DilantinPhenytoin13suppressed
Emgality SyringeGalcanezumab-Gnlm13suppressed
Divalproex SodiumDivalproex Sodium12suppressed
Glatiramer AcetateGlatiramer Acetate12suppressed
XcopriCenobamate12suppressed
AmantadineAmantadine Hcl11suppressed
AptiomEslicarbazepine Acetate11suppressed
Dimethyl FumarateDimethyl Fumarate11suppressed
IbuprofenIbuprofen11suppressed
Lamotrigine ErLamotrigine11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025 $101,833.44 · 340 records ABBVIE INC. AMPYRA, AMYVID, AUSTEDO XR, BOTOX, BRIUMVI, CREXONT, EPIDIOLEX, Gamunex-C, HYQVIA, Hizentra, INBRIJA, INGREZZA, KESIMPTA, KISUNLA, Leqembi, NUPLAZID, NURTEC ODT, ONGENTYS, Ocrevus, Ocrevus Zunovo, PRECIVITYAD2, QULIPTA, QUTENZA, REXULTI, Rystiggo, TYSABRI, UBRELVY, ULTOMIRIS, UPLIZNA, VALTOCO, VYALEV, VYEPTI, VYVGART, WAINUA, Xeomin, ZAVZPRET, Zilbrysq 8
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error