Healthcare provider profile · identity verified

Ellen W Mcknight, MD

Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology · PENSACOLA, FL · NPI 1659464840

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 Ellen W Mcknight, MD received $1,293.66 in general payments during 2025 across 43 reported records.

Amgen Inc. accounted for 32.1% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 22 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Otezla, Rinvoq.

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 RINVOQ as an associated drug or biological on 279238 records involving 34343 distinct recipient NPIs. Public Medicare Part D data also shows 13 claims for Rinvoq by this doctor in 2024.

Amgen 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 OTEZLA as an associated drug or biological on 177267 records involving 48600 distinct recipient NPIs. Public Medicare Part D data also shows 19 claims for Otezla by this doctor in 2024.

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

Payment overview · 2025

General Payments

$1,293.66

43 reported records · 15 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
Amgen Inc. Unresolved — no canonical attribution shown $415.0532.1%82025
ABBVIE INC. Unresolved — no canonical attribution shown $234.5318.1%72025
Janssen Biotech, Inc. Unresolved — no canonical attribution shown $145.6611.3%32025
UCB, Inc. Unresolved — no canonical attribution shown $94.387.3%52025
PFIZER INC. Unresolved — no canonical attribution shown $83.956.5%42025
Novartis Pharmaceuticals Corporation Unresolved — no canonical attribution shown $60.154.7%32025
Boehringer Ingelheim Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $59.204.6%32025
Radius Health, Inc. Unresolved — no canonical attribution shown $41.503.2%22025
AstraZeneca Pharmaceuticals LP Unresolved — no canonical attribution shown $36.702.8%22025
Aurinia Pharma U.S., Inc. Unresolved — no canonical attribution shown $23.451.8%12025
Alexion Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $20.601.6%12025
SCILEX PHARMACEUTICALS INC. Unresolved — no canonical attribution shown $20.341.6%12025
GlaxoSmithKline, LLC. Unresolved — no canonical attribution shown $20.231.6%12025
Tonix Medicines, Inc. Unresolved — no canonical attribution shown $19.161.5%12025
GENZYME CORPORATION Unresolved — no canonical attribution shown $18.761.4%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$1,293.6643

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
EVENITY
Normalized: evenity
Biological Amgen Inc. $236.28 4 2025
Source payment records
RINVOQ
Normalized: rinvoq
Biological ABBVIE INC. $218.06 6 2025
Source payment records
PROLIA
Normalized: prolia
Biological Amgen Inc. $168.82 1 2025
Source payment records
TREMFYA
Normalized: tremfya
Drug Janssen Biotech, Inc. $145.66 3 2025
Source payment records
UPLIZNA
Normalized: uplizna
Biological Amgen Inc. $135.00 1 2025
Source payment records
SIMPONI ARIA
Normalized: simponi aria
Biological Janssen Biotech, Inc. $113.58 1 2025
Source payment records
Bimzelx
Normalized: bimzelx
Biological UCB, Inc. $94.38 5 2025
Source payment records
COSENTYX
Normalized: cosentyx
Drug Novartis Pharmaceuticals Corporation $60.15 3 2025
Source payment records
OCTAGAM IMMUNE GLOBULIN (HUMAN)
Normalized: octagam immune globulin human
Drug PFIZER INC. $45.12 2 2025
Source payment records
Tymlos
Normalized: tymlos
Drug Radius Health, Inc. $41.50 2 2025
Source payment records
XELJANZ
Normalized: xeljanz
Drug PFIZER INC. $38.83 2 2025
Source payment records
OFEV
Normalized: ofev
Drug Boehringer Ingelheim Pharmaceuticals, Inc. $37.53 2 2025
Source payment records
SAPHNELO
Normalized: saphnelo
Biological AstraZeneca Pharmaceuticals LP $36.70 2 2025
Source payment records
ENBREL
Normalized: enbrel
Biological Amgen Inc. $25.27 2 2025
Source payment records
OTEZLA
Normalized: otezla
Drug Amgen Inc. $25.27 2 2025
Source payment records
LUPKYNIS
Normalized: lupkynis
Drug Aurinia Pharma U.S., Inc. $23.45 1 2025
Source payment records
STRENSIQ
Normalized: strensiq
Biological Alexion Pharmaceuticals, Inc. $20.60 1 2025
Source payment records
ZTLido
Normalized: ztlido
Drug SCILEX PHARMACEUTICALS INC. $20.34 1 2025
Source payment records
BENLYSTA
Normalized: benlysta
Biological GlaxoSmithKline, LLC. $20.23 1 2025
Source payment records
TONMYA
Normalized: tonmya
Drug Tonix Medicines, Inc. $19.16 1 2025
Source payment records
KEVZARA
Normalized: kevzara
Biological GENZYME CORPORATION $18.76 1 2025
Source payment records
SKYRIZI
Normalized: skyrizi
Biological ABBVIE INC. $16.47 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
OTEZLA
otezla
2025 Otezla 2024 19
Beneficiary count suppressed
exact normalized Medicare Part D
RINVOQ
rinvoq
2025 Rinvoq 2024 13
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 RINVOQ
open payments reported associated product
CMS Open Payments — General Payments
279238 supporting records · 34343 recipient NPIs · example record 1201352600
Rinvoq · 2024
Exact normalized brand match · 1 Part D row
13 suppressed by CMS
Amgen Inc.
Exact reporting entity; no affiliate inference
2025 OTEZLA
open payments reported associated product
CMS Open Payments — General Payments
177267 supporting records · 48600 recipient NPIs · example record 1226871616
Otezla · 2024
Exact normalized brand match · 1 Part D row
19 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
Duloxetine HclDuloxetine Hcl25173
Hydroxychloroquine SulfateHydroxychloroquine Sulfate23474
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen18029
Tramadol HclTramadol Hcl16536
PrednisonePrednisone13237
CelecoxibCelecoxib12135
GabapentinGabapentin12030
MethylprednisoloneMethylprednisolone11362
Tizanidine HclTizanidine Hcl9230
MethotrexateMethotrexate Sodium8629
PregabalinPregabalin7320
Cyclobenzaprine HclCyclobenzaprine Hcl5712
OmeprazoleOmeprazole5619
Diclofenac SodiumDiclofenac Sodium36suppressed
MeloxicamMeloxicam3415
Zolpidem TartrateZolpidem Tartrate34suppressed
Enbrel SureclickEtanercept31suppressed
LeflunomideLeflunomide29suppressed
Cyanocobalamin InjectionCyanocobalamin (Vitamin B-12)28suppressed
Oxycodone HclOxycodone Hcl26suppressed
Ropinirole HclRopinirole Hcl26suppressed
ClonazepamClonazepam24suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen22suppressed
Vitamin D2Ergocalciferol (Vitamin D2)20suppressed
OtezlaApremilast19suppressed
Venlafaxine Hcl ErVenlafaxine Hcl18suppressed
Trazodone HclTrazodone Hcl17suppressed
Amitriptyline HclAmitriptyline Hcl16suppressed
Hydroxyzine HclHydroxyzine Hcl15suppressed
Pantoprazole SodiumPantoprazole Sodium15suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine14suppressed
Actemra ActpenTocilizumab13suppressed
AllopurinolAllopurinol13suppressed
Cosentyx Sensoready (2 Pens)Secukinumab13suppressed
Paroxetine HclParoxetine Hcl13suppressed
RinvoqUpadacitinib13suppressed
AlprazolamAlprazolam12suppressed
Cimzia (2 Pack)Certolizumab Pegol12suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
Humira(Cf) PenAdalimumab12suppressed
AzithromycinAzithromycin11suppressed
Risedronate SodiumRisedronate Sodium11suppressed

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 $1,293.66 · 43 records Amgen Inc. BENLYSTA, Bimzelx, COSENTYX, ENBREL, EVENITY, KEVZARA, LUPKYNIS, OCTAGAM IMMUNE GLOBULIN (HUMAN), OFEV, OTEZLA, PROLIA, RINVOQ, SAPHNELO, SIMPONI ARIA, SKYRIZI, STRENSIQ, TONMYA, TREMFYA, Tymlos, UPLIZNA, XELJANZ, ZTLido 2
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