Healthcare provider profile · identity verified

Melissa Beth Gruen, MD, JD

Family Practice · GOLDEN, CO · NPI 1487798021

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
FurosemideFurosemide37047
Atorvastatin CalciumAtorvastatin Calcium36568
Levothyroxine SodiumLevothyroxine Sodium35547
Potassium ChloridePotassium Chloride26242
LisinoprilLisinopril22135
Tamsulosin HclTamsulosin Hcl20834
Amlodipine BesylateAmlodipine Besylate20739
Sertraline HclSertraline Hcl18736
FamotidineFamotidine15221
Metformin HclMetformin Hcl14931
EliquisApixaban14029
Metoprolol SuccinateMetoprolol Succinate13624
Losartan PotassiumLosartan Potassium13125
TradjentaLinagliptin130suppressed
OmeprazoleOmeprazole12526
Diclofenac SodiumDiclofenac Sodium12327
Trazodone HclTrazodone Hcl11623
Quetiapine FumarateQuetiapine Fumarate11220
CarvedilolCarvedilol10318
MethimazoleMethimazole10014
MirtazapineMirtazapine9226
AripiprazoleAripiprazole90suppressed
FinasterideFinasteride9012
Pantoprazole SodiumPantoprazole Sodium9016
OlanzapineOlanzapine8912
GabapentinGabapentin8721
XareltoRivaroxaban87suppressed
LactuloseLactulose80suppressed
HydrochlorothiazideHydrochlorothiazide7811
Duloxetine HclDuloxetine Hcl7313
ClopidogrelClopidogrel Bisulfate6814
Donepezil HclDonepezil Hcl6613
JardianceEmpagliflozin65suppressed
Metoprolol TartrateMetoprolol Tartrate6414
Divalproex SodiumDivalproex Sodium6214
SpironolactoneSpironolactone60suppressed
Buspirone HclBuspirone Hcl55suppressed
LatanoprostLatanoprost5513
Memantine HclMemantine Hcl55suppressed
GlipizideGlipizide54suppressed
Alendronate SodiumAlendronate Sodium53suppressed
Fluoxetine HclFluoxetine Hcl53suppressed
AllopurinolAllopurinol52suppressed
Enoxaparin SodiumEnoxaparin Sodium52suppressed
JanuviaSitagliptin Phosphate50suppressed
Pravastatin SodiumPravastatin Sodium47suppressed
Escitalopram OxalateEscitalopram Oxalate46suppressed
RisperidoneRisperidone44suppressed
Carbidopa-LevodopaCarbidopa/Levodopa42suppressed
Doxycycline HyclateDoxycycline Hyclate4217
Hydroxyzine HclHydroxyzine Hcl42suppressed
LevetiracetamLevetiracetam42suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf4039
Montelukast SodiumMontelukast Sodium39suppressed
Citalopram HbrCitalopram Hydrobromide37suppressed
Fluticasone PropionateFluticasone Propionate3611
NyamycNystatin3614
SimvastatinSimvastatin36suppressed
Warfarin SodiumWarfarin Sodium35suppressed
Benztropine MesylateBenztropine Mesylate34suppressed
SucralfateSucralfate33suppressed
TrulicityDulaglutide31suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc30suppressed
CephalexinCephalexin3014
Rosuvastatin CalciumRosuvastatin Calcium30suppressed
NystatinNystatin2911
Albuterol Sulfate HfaAlbuterol Sulfate2820
Ondansetron HclOndansetron Hcl2817
Insulin Glargine-YfgnInsulin Glargine-Yfgn26suppressed
JanumetSitagliptin Phos/Metformin Hcl26suppressed
Lithium CarbonateLithium Carbonate26suppressed
Oseltamivir PhosphateOseltamivir Phosphate2623
Pioglitazone HclPioglitazone Hcl25suppressed
Diltiazem 24hr ErDiltiazem Hcl24suppressed
EnuloseLactulose23suppressed
Oxybutynin Chloride ErOxybutynin Chloride23suppressed
RexultiBrexpiprazole23suppressed
FarxigaDapagliflozin Propanediol22suppressed
RybelsusSemaglutide22suppressed
Amitriptyline HclAmitriptyline Hcl21suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2112
ClonidineClonidine21suppressed
Paroxetine HclParoxetine Hcl21suppressed
LokelmaSodium Zirconium Cyclosilicate20suppressed
Sevelamer CarbonateSevelamer Carbonate20suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter20suppressed
ValsartanValsartan19suppressed
Amiodarone HclAmiodarone Hcl18suppressed
LantusInsulin Glargine,hum.Rec.Anlog18suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim18suppressed
Venlafaxine Hcl ErVenlafaxine Hcl18suppressed
Haloperidol DecanoateHaloperidol Decanoate17suppressed
LamotrigineLamotrigine17suppressed
BaclofenBaclofen16suppressed
GlycopyrrolateGlycopyrrolate16suppressed
Oxycodone HclOxycodone Hcl1612
Phenytoin Sodium ExtendedPhenytoin Sodium Extended16suppressed
Prednisolone AcetatePrednisolone Acetate16suppressed
PrednisonePrednisone16suppressed
Ropinirole HclRopinirole Hcl16suppressed
TorsemideTorsemide16suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat15suppressed
LorazepamLorazepam15suppressed
Breo ElliptaFluticasone/Vilanterol14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Midodrine HclMidodrine Hcl14suppressed
Trospium ChlorideTrospium Chloride14suppressed
XifaxanRifaximin14suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl13suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro13suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride13suppressed
ChlorthalidoneChlorthalidone12suppressed
DigoxinDigoxin12suppressed
FebuxostatFebuxostat12suppressed
Felodipine ErFelodipine12suppressed
HaloperidolHaloperidol12suppressed
MyrbetriqMirabegron12suppressed
OxcarbazepineOxcarbazepine12suppressed
OzempicSemaglutide12suppressed
Potassium Citrate ErPotassium Citrate12suppressed
PrimidonePrimidone12suppressed
Verapamil ErVerapamil Hcl12suppressed
Ziprasidone HclZiprasidone Hcl12suppressed
Advair HfaFluticasone Propion/Salmeterol11suppressed
Albuterol SulfateAlbuterol Sulfate11suppressed
Clobetasol PropionateClobetasol Propionate11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
Doxycycline MonohydrateDoxycycline Monohydrate11suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate11suppressed
IrbesartanIrbesartan11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
MethocarbamolMethocarbamol11suppressed
NaproxenNaproxen11suppressed
PradaxaDabigatran Etexilate Mesylate11suppressed
RivastigmineRivastigmine Tartrate11suppressed

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