Healthcare provider profile · identity verified

Emem Dan Udonta, M.D.

Allopathic & Osteopathic Physicians|Psychiatry & Neurology|Neurology · NEDERLAND, TX · NPI 1851377675

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 Emem Dan Udonta, M.D. received $4,026.55 in general payments during 2025 across 179 reported records.

Biogen, Inc. accounted for 8.5% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 43 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Briviact, Ingrezza, Nuplazid, Nurtec Odt, Qulipta, Rexulti, Xcopri.

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 18 claims for Qulipta by this doctor in 2024.

ACADIA Pharmaceuticals 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 NUPLAZID as an associated drug or biological on 20845 records involving 6448 distinct recipient NPIs. Public Medicare Part D data also shows 19 claims for Nuplazid by this doctor in 2024.

Amneal Pharmaceuticals 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 RYTARY as an associated drug or biological on 200 records involving 121 distinct recipient NPIs. Public Medicare Part D data also shows 51 claims for Rytary 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 23 claims for Rexulti by this doctor in 2024.

Neurocrine BioSciences, 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 INGREZZA as an associated drug or biological on 126456 records involving 27390 distinct recipient NPIs. Public Medicare Part D data also shows 40 claims for Ingrezza 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 23 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 22 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 26 claims for Xcopri by this doctor in 2024.

UCB, 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 Briviact as an associated drug or biological on 13595 records involving 4444 distinct recipient NPIs. Public Medicare Part D data also shows 16 claims for Briviact by this doctor in 2024.

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

Payment overview · 2025

General Payments

$4,026.55

179 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
Biogen, Inc. Unresolved — no canonical attribution shown $342.538.5%72025
Lundbeck LLC Unresolved — no canonical attribution shown $283.757.0%202025
ACADIA Pharmaceuticals Inc Unresolved — no canonical attribution shown $274.196.8%202025
UCB, Inc. Unresolved — no canonical attribution shown $258.136.4%112025
ARGENX US, INC. Unresolved — no canonical attribution shown $220.925.5%62025
EMD Serono, Inc. Unresolved — no canonical attribution shown $204.255.1%112025
JAZZ PHARMACEUTICALS INC. Unresolved — no canonical attribution shown $200.195.0%92025
HARMONY BIOSCIENCES LLC Unresolved — no canonical attribution shown $188.074.7%52025
Janssen Biotech, Inc. Unresolved — no canonical attribution shown $181.564.5%52025
Teva Pharmaceuticals USA, Inc. Unresolved — no canonical attribution shown $164.744.1%42025
ABBVIE INC. Unresolved — no canonical attribution shown $161.494.0%132025
Novartis Pharmaceuticals Corporation Unresolved — no canonical attribution shown $158.934.0%62025
Otsuka America Pharmaceutical, Inc. Unresolved — no canonical attribution shown $151.503.8%112025
Takeda Pharmaceuticals U.S.A., Inc. Unresolved — no canonical attribution shown $151.203.8%62025
SK Life Science, Inc. SK Life Science, Inc.
exact · evidence 2025-04-03
$146.743.6%32025
Neurocrine BioSciences, Inc. Unresolved — no canonical attribution shown $145.393.6%62025
Lilly USA, LLC Unresolved — no canonical attribution shown $137.963.4%52025
Eisai Inc. Unresolved — no canonical attribution shown $110.162.7%52025
TG Therapeutics, Inc. Unresolved — no canonical attribution shown $106.752.6%42025
Celgene Corporation Unresolved — no canonical attribution shown $67.111.7%42025
Mallinckrodt Hospital Products Inc. Unresolved — no canonical attribution shown $55.961.4%32025
Alexion Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $48.691.2%22025
Amneal Pharmaceuticals LLC Unresolved — no canonical attribution shown $44.311.1%22025
CSL Behring Unresolved — no canonical attribution shown $30.010.8%22025
Axsome Therapeutics, Inc. Unresolved — no canonical attribution shown $29.780.7%12025
Impel Pharmaceuticals LLC Unresolved — no canonical attribution shown $25.760.6%12025
Janssen Scientific Affairs, LLC Unresolved — no canonical attribution shown $23.810.6%12025
Amgen Inc. Unresolved — no canonical attribution shown $23.030.6%12025
Abbott Laboratories Unresolved — no canonical attribution shown $22.710.6%12025
Janssen Pharmaceuticals, Inc Unresolved — no canonical attribution shown $17.900.4%12025
PFIZER INC. Unresolved — no canonical attribution shown $17.650.4%12025
Grifols USA, LLC Unresolved — no canonical attribution shown $17.530.4%12025
Inspire Medical Systems, Inc. Unresolved — no canonical attribution shown $13.850.3%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$3,516.22173
Education$360.335
Consulting Fee$150.001

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
NUPLAZID
Normalized: nuplazid
Drug ACADIA Pharmaceuticals Inc $274.19 20 2025
Source payment records
REXULTI
Normalized: rexulti
Drug Lundbeck LLC, Otsuka America Pharmaceutical, Inc. $239.25 17 2025
Source payment records
TYSABRI
Normalized: tysabri
Biological Biogen, Inc. $188.86 3 2025
Source payment records
KESIMPTA
Normalized: kesimpta
Drug Novartis Pharmaceuticals Corporation $158.93 6 2025
Source payment records
HYQVIA
Normalized: hyqvia
Biological Takeda Pharmaceuticals U.S.A., Inc. $151.20 6 2025
Source payment records
VYEPTI
Normalized: vyepti
Biological Lundbeck LLC $148.40 10 2025
Source payment records
INGREZZA
Normalized: ingrezza
Drug Neurocrine BioSciences, Inc. $145.39 6 2025
Source payment records
KISUNLA
Normalized: kisunla
Drug Lilly USA, LLC $137.96 5 2025
Source payment records
VYVGART HYTRULO
Normalized: vyvgart hytrulo
Drug ARGENX US, INC. $135.09 5 2025
Source payment records
SKYCLARYS
Normalized: skyclarys
Drug Biogen, Inc. $131.93 3 2025
Source payment records
QULIPTA
Normalized: qulipta
Drug ABBVIE INC. $118.44 8 2025
Source payment records
WAKIX
Normalized: wakix
Drug HARMONY BIOSCIENCES LLC $118.08 4 2025
Source payment records
Leqembi
Normalized: leqembi
Drug Eisai Inc. $110.16 5 2025
Source payment records
UBRELVY
Normalized: ubrelvy
Drug ABBVIE INC. $109.85 8 2025
Source payment records
BRIUMVI
Normalized: briumvi
Drug TG Therapeutics, Inc. $106.75 4 2025
Source payment records
XYWAV
Normalized: xywav
Drug JAZZ PHARMACEUTICALS INC. $104.81 4 2025
Source payment records
XCOPRI
Normalized: xcopri
Drug SK Life Science, Inc. $98.68 1 2025
Source payment records
EPIDIOLEX
Normalized: epidiolex
Drug JAZZ PHARMACEUTICALS INC. $95.38 5 2025
Source payment records
VYVGART
Normalized: vyvgart
Drug ARGENX US, INC. $85.83 1 2025
Source payment records
Fintepla
Normalized: fintepla
Drug UCB, Inc. $78.44 3 2025
Source payment records
Rystiggo
Normalized: rystiggo
Drug UCB, Inc. $68.71 3 2025
Source payment records
ZEPOSIA
Normalized: zeposia
Drug Celgene Corporation $67.11 4 2025
Source payment records
Nayzilam
Normalized: nayzilam
Drug UCB, Inc. $64.38 3 2025
Source payment records
VUMERITY
Normalized: vumerity
Drug Biogen, Inc. $60.60 3 2025
Source payment records
ACTHAR
Normalized: acthar
Biological Mallinckrodt Hospital Products Inc. $55.96 3 2025
Source payment records
AUSTEDO XR
Normalized: austedo xr
Drug Teva Pharmaceuticals USA, Inc. $53.29 3 2025
Source payment records
ULTOMIRIS
Normalized: ultomiris
Biological Alexion Pharmaceuticals, Inc. $48.69 2 2025
Source payment records
NUEDEXTA
Normalized: nuedexta
Drug Otsuka America Pharmaceutical, Inc. $47.60 4 2025
Source payment records
Briviact
Normalized: briviact
Drug UCB, Inc. $46.60 2 2025
Source payment records
CREXONT
Normalized: crexont
Drug Amneal Pharmaceuticals LLC $44.31 2 2025
Source payment records
AMYVID
Normalized: amyvid
Drug Lilly USA, LLC $38.45 3 2025
Source payment records
Hizentra
Normalized: hizentra
Biological CSL Behring $30.01 2 2025
Source payment records
Symbravo
Normalized: symbravo
Drug Axsome Therapeutics, Inc. $29.78 1 2025
Source payment records
TRUDHESA
Normalized: trudhesa
Drug Impel Pharmaceuticals LLC $25.76 1 2025
Source payment records
BOTOX
Normalized: botox
Biological ABBVIE INC. $23.11 3 2025
Source payment records
UPLIZNA
Normalized: uplizna
Biological Amgen Inc. $23.03 1 2025
Source payment records
INFINITY
Normalized: infinity
Device Abbott Laboratories $22.71 1 2025
Source payment records
Mavenclad
Normalized: mavenclad
Drug EMD Serono, Inc. $21.96 1 2025
Source payment records
AVONEX
Normalized: avonex
Biological Biogen, Inc. $21.74 1 2025
Source payment records
NURTEC ODT
Normalized: nurtec odt
Drug PFIZER INC. $17.65 1 2025
Source payment records
ZAVZPRET
Normalized: zavzpret
Drug PFIZER INC. $17.65 1 2025
Source payment records
Gamunex-C
Normalized: gamunex c
Biological Grifols USA, LLC $17.53 1 2025
Source payment records
INSPIRE
Normalized: inspire
Device Inspire Medical Systems, Inc. $13.85 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
Briviact
briviact
2025 Briviact 2024 16
Beneficiary count suppressed
exact normalized Medicare Part D
INGREZZA
ingrezza
2025 Ingrezza 2024 40
Beneficiary count suppressed
exact normalized Medicare Part D
NUPLAZID
nuplazid
2025 Nuplazid 2024 19
Beneficiary count suppressed
exact normalized Medicare Part D
NURTEC ODT
nurtec odt
2025 Nurtec Odt 2024 22
Beneficiary count suppressed
exact normalized Medicare Part D
QULIPTA
qulipta
2025 Qulipta 2024 18
Beneficiary count suppressed
exact normalized Medicare Part D
REXULTI
rexulti
2025 Rexulti 2024 23
Beneficiary count suppressed
exact normalized Medicare Part D
XCOPRI
xcopri
2025 Xcopri 2024 26
Beneficiary count suppressed
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 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
18 suppressed by CMS
ACADIA Pharmaceuticals Inc
Exact reporting entity; no affiliate inference
2025 NUPLAZID
open payments reported associated product
CMS Open Payments — General Payments
20845 supporting records · 6448 recipient NPIs · example record 1247763852
Nuplazid · 2024
Exact normalized brand match · 1 Part D row
19 suppressed by CMS
Amneal Pharmaceuticals LLC
Exact reporting entity; no affiliate inference
2025 RYTARY
open payments reported associated product
CMS Open Payments — General Payments
200 supporting records · 121 recipient NPIs · example record 1220526035
Rytary · 2024
Exact normalized brand match · 1 Part D row
51 suppressed by CMS
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
23 suppressed by CMS
Neurocrine BioSciences, Inc.
Exact reporting entity; no affiliate inference
2025 INGREZZA
open payments reported associated product
CMS Open Payments — General Payments
126456 supporting records · 27390 recipient NPIs · example record 1242766729
Ingrezza · 2024
Exact normalized brand match · 1 Part D row
40 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
23 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
22 suppressed by CMS
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
26 suppressed by CMS
UCB, Inc.
Exact reporting entity; no affiliate inference
2025 Briviact
open payments reported associated product
CMS Open Payments — General Payments
13595 supporting records · 4444 recipient NPIs · example record 1224348489
Briviact · 2024
Exact normalized brand match · 1 Part D row
16 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
Donepezil HclDonepezil Hcl19356
Carbidopa-LevodopaCarbidopa/Levodopa15834
GabapentinGabapentin12529
PrimidonePrimidone10826
LevetiracetamLevetiracetam10525
TopiramateTopiramate10219
OxcarbazepineOxcarbazepine8313
Memantine HclMemantine Hcl7417
ClonazepamClonazepam5312
RytaryCarbidopa/Levodopa51suppressed
AptiomEslicarbazepine Acetate47suppressed
BaclofenBaclofen47suppressed
ClopidogrelClopidogrel Bisulfate44suppressed
IngrezzaValbenazine Tosylate40suppressed
LamotrigineLamotrigine39suppressed
LamictalLamotrigine38suppressed
Propranolol HclPropranolol Hcl38suppressed
Amitriptyline HclAmitriptyline Hcl35suppressed
LacosamideLacosamide31suppressed
RivastigmineRivastigmine30suppressed
CarbamazepineCarbamazepine27suppressed
XcopriCenobamate26suppressed
Emgality PenGalcanezumab-Gnlm25suppressed
Escitalopram OxalateEscitalopram Oxalate24suppressed
Pyridostigmine BromidePyridostigmine Bromide24suppressed
RexultiBrexpiprazole23suppressed
Nurtec OdtRimegepant Sulfate22suppressed
PregabalinPregabalin22suppressed
PrednisonePrednisone20suppressed
TrileptalOxcarbazepine20suppressed
Clorazepate DipotassiumClorazepate Dipotassium19suppressed
NuplazidPimavanserin Tartrate19suppressed
AmantadineAmantadine Hcl18suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl18suppressed
QuliptaAtogepant18suppressed
BriviactBrivaracetam16suppressed
FycompaPerampanel16suppressed
NeuproRotigotine16suppressed
Topiramate ErTopiramate16suppressed
Carbamazepine ErCarbamazepine15suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa15suppressed
Nortriptyline HclNortriptyline Hcl15suppressed
VimpatLacosamide15suppressed
DepakoteDivalproex Sodium14suppressed
IndomethacinIndomethacin14suppressed
Doxepin HclDoxepin Hcl12suppressed
Kesimpta PenOfatumumab12suppressed
Lamotrigine ErLamotrigine12suppressed
Rasagiline MesylateRasagiline Mesylate12suppressed
RivastigmineRivastigmine Tartrate12suppressed
Ajovy AutoinjectorFremanezumab-Vfrm11suppressed
AubagioTeriflunomide11suppressed
DilantinPhenytoin Sodium Extended11suppressed
Dimethyl FumarateDimethyl Fumarate11suppressed
Imipramine HclImipramine Hcl11suppressed
OctagamImmun Globg(Igg)/Malt/Iga Ov5011suppressed

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 $4,026.55 · 179 records Biogen, Inc. ACTHAR, AMYVID, AUSTEDO XR, AVONEX, BOTOX, BRIUMVI, Briviact, CREXONT, EPIDIOLEX, Fintepla, Gamunex-C, HYQVIA, Hizentra, INFINITY, INGREZZA, INSPIRE, KESIMPTA, KISUNLA, Leqembi, Mavenclad, NUEDEXTA, NUPLAZID, NURTEC ODT, Nayzilam, QULIPTA, REXULTI, Rystiggo, SKYCLARYS, Symbravo, TRUDHESA, TYSABRI, UBRELVY, ULTOMIRIS, UPLIZNA, VUMERITY, VYEPTI, VYVGART, VYVGART HYTRULO, WAKIX, XCOPRI, XYWAV, ZAVZPRET, ZEPOSIA 9
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