Healthcare provider profile · identity verified

Greta C Manning, MD

Family Practice · CLARKSVILLE, TN · NPI 1922058957

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 Calcium18456
Amlodipine BesylateAmlodipine Besylate17752
Tizanidine HclTizanidine Hcl16257
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride16149
Levothyroxine SodiumLevothyroxine Sodium15845
PregabalinPregabalin14621
Montelukast SodiumMontelukast Sodium14447
Metoprolol SuccinateMetoprolol Succinate14137
SimvastatinSimvastatin14144
GabapentinGabapentin13820
MeloxicamMeloxicam13851
Rosuvastatin CalciumRosuvastatin Calcium12139
Pantoprazole SodiumPantoprazole Sodium11344
OmeprazoleOmeprazole10637
Fluticasone PropionateFluticasone Propionate10563
Metformin Hcl ErMetformin Hcl8427
TrulicityDulaglutide8412
SynthroidLevothyroxine Sodium8020
LisinoprilLisinopril6625
OzempicSemaglutide6416
FurosemideFurosemide6328
Duloxetine HclDuloxetine Hcl6024
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5617
Olmesartan MedoxomilOlmesartan Medoxomil5515
Doxycycline HyclateDoxycycline Hyclate5247
MirtazapineMirtazapine5117
Pramipexole DihydrochloridePramipexole Di-Hcl4916
SpironolactoneSpironolactone4811
EzetimibeEzetimibe4615
Albuterol Sulfate HfaAlbuterol Sulfate4222
CarvedilolCarvedilol4212
HydrochlorothiazideHydrochlorothiazide4216
Losartan PotassiumLosartan Potassium4016
Tresiba Flextouch U-200Insulin Degludec39suppressed
Alprazolam ErAlprazolam36suppressed
CelecoxibCelecoxib3611
Dicyclomine HclDicyclomine Hcl36suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide3613
Tramadol HclTramadol Hcl34suppressed
ClopidogrelClopidogrel Bisulfate32suppressed
FamotidineFamotidine32suppressed
JanuviaSitagliptin Phosphate3113
Breo ElliptaFluticasone/Vilanterol30suppressed
Janumet XrSitagliptin Phos/Metformin Hcl30suppressed
Quetiapine FumarateQuetiapine Fumarate29suppressed
Clobetasol PropionateClobetasol Propionate2812
Donepezil HclDonepezil Hcl27suppressed
Nifedipine ErNifedipine27suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium26suppressed
Metoprolol TartrateMetoprolol Tartrate26suppressed
AllopurinolAllopurinol2512
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen23suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen23suppressed
Potassium ChloridePotassium Chloride23suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide23suppressed
Carbidopa-LevodopaCarbidopa/Levodopa22suppressed
Trazodone HclTrazodone Hcl22suppressed
Escitalopram OxalateEscitalopram Oxalate21suppressed
Quetiapine Fumarate ErQuetiapine Fumarate21suppressed
Ropinirole HclRopinirole Hcl21suppressed
Citalopram HbrCitalopram Hydrobromide20suppressed
TelmisartanTelmisartan19suppressed
ChlorthalidoneChlorthalidone18suppressed
FarxigaDapagliflozin Propanediol18suppressed
Metformin HclMetformin Hcl18suppressed
MyrbetriqMirabegron18suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1817
Telmisartan-HydrochlorothiazidTelmisartan/Hydrochlorothiazid18suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter18suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide17suppressed
Bupropion XlBupropion Hcl16suppressed
PrednisonePrednisone1613
Buspirone HclBuspirone Hcl15suppressed
Carvedilol ErCarvedilol Phosphate15suppressed
Sertraline HclSertraline Hcl15suppressed
Venlafaxine Hcl ErVenlafaxine Hcl15suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate14suppressed
LinzessLinaclotide14suppressed
Oxybutynin Chloride ErOxybutynin Chloride14suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
GlyxambiEmpagliflozin/Linagliptin13suppressed
Olmesartan-Amlodipine-HctzOlmesartan/Amlodipin/Hcthiazid13suppressed
Alendronate SodiumAlendronate Sodium12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1212
BreynaBudesonide/Formoterol Fumarate12suppressed
FluconazoleFluconazole12suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
JardianceEmpagliflozin12suppressed
KetoconazoleKetoconazole11suppressed

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