Healthcare provider profile · identity verified

Eugene H Ryan, MD

Allopathic & Osteopathic Physicians|Internal Medicine · CHATTANOOGA, TN · NPI 1609865088

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 Eugene H Ryan, MD received $116.26 in general payments during 2025 across 1 reported records.

AstraZeneca Pharmaceuticals LP accounted for 100.0% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 1 associated product.

AstraZeneca Pharmaceuticals LP reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported FARXIGA as an associated drug or biological on 106133 records involving 42906 distinct recipient NPIs. Public Medicare Part D data also shows 55 claims for Farxiga by this doctor in 2024.

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

Payment overview · 2025

General Payments

$116.26

1 reported records · 1 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
AstraZeneca Pharmaceuticals LP Unresolved — no canonical attribution shown $116.26100.0%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$116.261

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
FASENRA
Normalized: fasenra
Biological AstraZeneca Pharmaceuticals LP $116.26 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

No exact normalized or approved-alias overlap was found in the loaded Part D year. This does not mean the doctor never prescribed the product.

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
AstraZeneca Pharmaceuticals LP
Exact reporting entity; no affiliate inference
2025 FARXIGA
open payments reported associated product
CMS Open Payments — General Payments
106133 supporting records · 42906 recipient NPIs · example record 1206131362
Farxiga · 2024
Exact normalized brand match · 1 Part D row
55 19

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
Amlodipine BesylateAmlodipine Besylate407120
Atorvastatin CalciumAtorvastatin Calcium404136
LisinoprilLisinopril309105
Levothyroxine SodiumLevothyroxine Sodium30688
OmeprazoleOmeprazole29492
Rosuvastatin CalciumRosuvastatin Calcium22170
Metformin HclMetformin Hcl18551
Montelukast SodiumMontelukast Sodium17764
Losartan PotassiumLosartan Potassium14751
Potassium ChloridePotassium Chloride14053
Metoprolol SuccinateMetoprolol Succinate13950
Tamsulosin HclTamsulosin Hcl13751
MeloxicamMeloxicam12946
Pravastatin SodiumPravastatin Sodium12840
HydrochlorothiazideHydrochlorothiazide11841
Sertraline HclSertraline Hcl11833
GabapentinGabapentin11743
ClopidogrelClopidogrel Bisulfate11539
CarvedilolCarvedilol10641
SimvastatinSimvastatin10632
GlimepirideGlimepiride10327
Metoprolol TartrateMetoprolol Tartrate10231
Metformin Hcl ErMetformin Hcl10030
EzetimibeEzetimibe9830
FurosemideFurosemide9739
EliquisApixaban9531
Citalopram HbrCitalopram Hydrobromide8929
Pantoprazole SodiumPantoprazole Sodium8642
AllopurinolAllopurinol8423
FamotidineFamotidine8431
Trazodone HclTrazodone Hcl7327
SpironolactoneSpironolactone6328
Fluticasone PropionateFluticasone Propionate5928
OzempicSemaglutide5715
FarxigaDapagliflozin Propanediol5519
Tramadol HclTramadol Hcl5312
Alendronate SodiumAlendronate Sodium5213
Albuterol Sulfate HfaAlbuterol Sulfate5023
AtenololAtenolol4611
ClonazepamClonazepam45suppressed
FinasterideFinasteride4415
Bupropion XlBupropion Hcl4319
FenofibrateFenofibrate4311
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid4314
IbuprofenIbuprofen4115
Hydralazine HclHydralazine Hcl3814
Clonidine HclClonidine Hcl3714
CefuroximeCefuroxime Axetil3634
Diltiazem 24hr Er (Cd)Diltiazem Hcl3612
Lantus SolostarInsulin Glargine,hum.Rec.Anlog34suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide33suppressed
Donepezil HclDonepezil Hcl3014
SynthroidLevothyroxine Sodium30suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium29suppressed
XareltoRivaroxaban29suppressed
FenofibrateFenofibrate Nanocrystallized28suppressed
Warfarin SodiumWarfarin Sodium27suppressed
Fluoxetine HclFluoxetine Hcl26suppressed
GlipizideGlipizide26suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate2615
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide26suppressed
AzithromycinAzithromycin2523
NaproxenNaproxen25suppressed
JardianceEmpagliflozin24suppressed
LorazepamLorazepam24suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2321
Zolpidem TartrateZolpidem Tartrate23suppressed
Terazosin HclTerazosin Hcl22suppressed
ValsartanValsartan22suppressed
Tresiba Flextouch U-100Insulin Degludec21suppressed
Venlafaxine Hcl ErVenlafaxine Hcl21suppressed
Escitalopram OxalateEscitalopram Oxalate20suppressed
Hydroxyzine HclHydroxyzine Hcl20suppressed
IrbesartanIrbesartan20suppressed
Klor-Con M20Potassium Chloride20suppressed
Meclizine HclMeclizine Hcl20suppressed
SucralfateSucralfate20suppressed
Duloxetine HclDuloxetine Hcl19suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic19suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide19suppressed
Nifedipine ErNifedipine18suppressed
Pioglitazone HclPioglitazone Hcl18suppressed
Quetiapine FumarateQuetiapine Fumarate18suppressed
GemfibrozilGemfibrozil17suppressed
Glipizide ErGlipizide17suppressed
PaxlovidNirmatrelvir/Ritonavir1717
Ropinirole HclRopinirole Hcl17suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril16suppressed
Amlodipine-ValsartanAmlodipine Besylate/Valsartan16suppressed
Glucagon Emergency KitGlucagon16suppressed
JanuviaSitagliptin Phosphate16suppressed
MethylprednisoloneMethylprednisolone1614
MirtazapineMirtazapine16suppressed
Oxybutynin ChlorideOxybutynin Chloride16suppressed
TrulicityDulaglutide16suppressed
CelecoxibCelecoxib15suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine15suppressed
IndapamideIndapamide15suppressed
JantovenWarfarin Sodium15suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter15suppressed
Diclofenac SodiumDiclofenac Sodium14suppressed
RamiprilRamipril14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
Benazepril HclBenazepril Hcl13suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl13suppressed
DilantinPhenytoin Sodium Extended13suppressed
PrednisonePrednisone1312
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1311
AlprazolamAlprazolam12suppressed
Paroxetine HclParoxetine Hcl12suppressed
Repatha SureclickEvolocumab12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Alfuzosin Hcl ErAlfuzosin Hcl11suppressed
IbuIbuprofen11suppressed
LovastatinLovastatin11suppressed
Novolog FlexpenInsulin Aspart11suppressed
Tizanidine HclTizanidine Hcl11suppressed

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 $116.26 · 1 records AstraZeneca Pharmaceuticals LP FASENRA 1
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