Healthcare provider profile · identity verified

Ryan Semko, D.O.

Family Practice · OAK RIDGE, TN · NPI 1881129443

Profile state: partd only 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

We did not find matching Open Payments records for this doctor in 2025.

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

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

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.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

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.

There is no payer-company set available for this comparison.

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
Atorvastatin CalciumAtorvastatin Calcium390123
Levothyroxine SodiumLevothyroxine Sodium27884
GabapentinGabapentin25353
PrednisonePrednisone222147
Amlodipine BesylateAmlodipine Besylate21967
LisinoprilLisinopril21562
OmeprazoleOmeprazole19256
Losartan PotassiumLosartan Potassium16253
Albuterol Sulfate HfaAlbuterol Sulfate16057
SimvastatinSimvastatin13835
MeloxicamMeloxicam13663
Duloxetine HclDuloxetine Hcl13230
Pantoprazole SodiumPantoprazole Sodium12546
Rosuvastatin CalciumRosuvastatin Calcium12342
Metoprolol TartrateMetoprolol Tartrate11933
MethocarbamolMethocarbamol11757
HydrochlorothiazideHydrochlorothiazide11636
Trazodone HclTrazodone Hcl10439
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav10289
Metformin Hcl ErMetformin Hcl10235
FurosemideFurosemide10042
Montelukast SodiumMontelukast Sodium9724
Tramadol HclTramadol Hcl9533
Metformin HclMetformin Hcl9330
Fluticasone PropionateFluticasone Propionate9136
Potassium ChloridePotassium Chloride8728
EliquisApixaban8517
Hydralazine HclHydralazine Hcl8523
Pravastatin SodiumPravastatin Sodium7921
Diclofenac SodiumDiclofenac Sodium7539
Zolpidem TartrateZolpidem Tartrate7315
Sertraline HclSertraline Hcl7217
Tamsulosin HclTamsulosin Hcl6828
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen6713
OzempicSemaglutide67suppressed
CarvedilolCarvedilol5919
Escitalopram OxalateEscitalopram Oxalate5919
ClopidogrelClopidogrel Bisulfate5812
Metoprolol SuccinateMetoprolol Succinate5818
Tizanidine HclTizanidine Hcl5716
EzetimibeEzetimibe5617
MirtazapineMirtazapine5613
Cyclobenzaprine HclCyclobenzaprine Hcl5520
GlipizideGlipizide5519
AzithromycinAzithromycin5450
FamotidineFamotidine5218
Lantus SolostarInsulin Glargine,hum.Rec.Anlog52suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5022
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5013
Ondansetron OdtOndansetron5030
ClonazepamClonazepam49suppressed
GlimepirideGlimepiride4916
AllopurinolAllopurinol4815
BumetanideBumetanide4816
JardianceEmpagliflozin48suppressed
MounjaroTirzepatide48suppressed
AlprazolamAlprazolam46suppressed
Oxycodone HclOxycodone Hcl46suppressed
PregabalinPregabalin4511
LorazepamLorazepam43suppressed
Citalopram HbrCitalopram Hydrobromide4115
Doxycycline HyclateDoxycycline Hyclate4134
Buspirone HclBuspirone Hcl40suppressed
CephalexinCephalexin3932
Fluoxetine HclFluoxetine Hcl3914
Hydroxyzine HclHydroxyzine Hcl3911
SynthroidLevothyroxine Sodium39suppressed
Alendronate SodiumAlendronate Sodium37suppressed
ValsartanValsartan37suppressed
Benazepril HclBenazepril Hcl36suppressed
Ropinirole HclRopinirole Hcl36suppressed
Donepezil HclDonepezil Hcl3511
Venlafaxine Hcl ErVenlafaxine Hcl35suppressed
Bupropion XlBupropion Hcl33suppressed
Promethazine HclPromethazine Hcl3213
Amitriptyline HclAmitriptyline Hcl3011
BaclofenBaclofen29suppressed
FluconazoleFluconazole2913
RamiprilRamipril2911
Clonidine HclClonidine Hcl27suppressed
LamotrigineLamotrigine25suppressed
ChlorthalidoneChlorthalidone24suppressed
DiazepamDiazepam24suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2417
Propranolol HclPropranolol Hcl24suppressed
TrulicityDulaglutide24suppressed
Ipratropium BromideIpratropium Bromide23suppressed
NystatinNystatin23suppressed
AtenololAtenolol22suppressed
CelecoxibCelecoxib22suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip2215
Meclizine HclMeclizine Hcl2213
Quetiapine FumarateQuetiapine Fumarate22suppressed
SpironolactoneSpironolactone22suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium21suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide21suppressed
MupirocinMupirocin2120
Pramipexole DihydrochloridePramipexole Di-Hcl21suppressed
SymbicortBudesonide/Formoterol Fumarate21suppressed
FinasterideFinasteride20suppressed
LevofloxacinLevofloxacin2019
TemazepamTemazepam20suppressed
IrbesartanIrbesartan19suppressed
Pioglitazone HclPioglitazone Hcl19suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr18suppressed
Ciprofloxacin HclCiprofloxacin Hcl1817
AripiprazoleAripiprazole17suppressed
Breo ElliptaFluticasone/Vilanterol17suppressed
Dicyclomine HclDicyclomine Hcl17suppressed
LovastatinLovastatin17suppressed
MyrbetriqMirabegron17suppressed
SucralfateSucralfate1712
GlyburideGlyburide16suppressed
Ondansetron HclOndansetron Hcl16suppressed
PaxlovidNirmatrelvir/Ritonavir1616
Bupropion Hcl SrBupropion Hcl15suppressed
CefdinirCefdinir1513
Fluticasone-SalmeterolFluticasone Propion/Salmeterol15suppressed
Humulin R U-500 KwikpenInsulin Regular, Human15suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
NaproxenNaproxen15suppressed
Oxybutynin ChlorideOxybutynin Chloride15suppressed
Paroxetine HclParoxetine Hcl15suppressed
RybelsusSemaglutide15suppressed
Sumatriptan SuccinateSumatriptan Succinate15suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog15suppressed
Humalog Kwikpen U-100Insulin Lispro14suppressed
JanuviaSitagliptin Phosphate14suppressed
Novolog FlexpenInsulin Aspart14suppressed
TestosteroneTestosterone14suppressed
ValacyclovirValacyclovir Hcl1411
XareltoRivaroxaban14suppressed
Acetaminophen-CodeineAcetaminophen With Codeine13suppressed
Estradiol (Once Weekly)Estradiol13suppressed
FenofibrateFenofibrate Nanocrystallized13suppressed
FetzimaLevomilnacipran Hcl13suppressed
Glipizide ErGlipizide13suppressed
JanumetSitagliptin Phos/Metformin Hcl13suppressed
Praluent PenAlirocumab13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
IbuprofenIbuprofen12suppressed
Levemir FlexpenInsulin Detemir12suppressed
Mometasone FuroateMometasone Furoate1211
Morphine Sulfate ErMorphine Sulfate12suppressed
Repatha SyringeEvolocumab12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine11suppressed
Methylphenidate ErMethylphenidate Hcl11suppressed
Minocycline HclMinocycline Hcl11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Tramadol Hcl-AcetaminophenTramadol Hcl/Acetaminophen11suppressed

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
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