Healthcare provider profile · identity verified

Ryan S Huizingh, PA

Physician Assistant · GREELEY, CO · NPI 1528337508

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 Calcium22081
LisinoprilLisinopril17160
Amlodipine BesylateAmlodipine Besylate16152
Levothyroxine SodiumLevothyroxine Sodium15659
Losartan PotassiumLosartan Potassium12742
OmeprazoleOmeprazole10238
Metoprolol SuccinateMetoprolol Succinate8136
Albuterol Sulfate HfaAlbuterol Sulfate7443
Tamsulosin HclTamsulosin Hcl7227
Metformin HclMetformin Hcl6624
Pantoprazole SodiumPantoprazole Sodium6523
Trazodone HclTrazodone Hcl6431
GabapentinGabapentin6229
Rosuvastatin CalciumRosuvastatin Calcium5621
SimvastatinSimvastatin5421
Sertraline HclSertraline Hcl5220
PrednisonePrednisone5142
HydrochlorothiazideHydrochlorothiazide4917
Potassium ChloridePotassium Chloride4215
Doxycycline HyclateDoxycycline Hyclate3534
CarvedilolCarvedilol3412
FamotidineFamotidine32suppressed
Tizanidine HclTizanidine Hcl3213
Triamcinolone AcetonideTriamcinolone Acetonide3226
Buspirone HclBuspirone Hcl3111
Duloxetine HclDuloxetine Hcl31suppressed
FurosemideFurosemide3015
OzempicSemaglutide30suppressed
AllopurinolAllopurinol29suppressed
Escitalopram OxalateEscitalopram Oxalate2913
Metoprolol TartrateMetoprolol Tartrate2914
Oxycodone HclOxycodone Hcl28suppressed
Citalopram HbrCitalopram Hydrobromide2711
Fluticasone-SalmeterolFluticasone Propion/Salmeterol2715
Cyclobenzaprine HclCyclobenzaprine Hcl2615
FinasterideFinasteride26suppressed
Pravastatin SodiumPravastatin Sodium2511
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2416
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2322
Tramadol HclTramadol Hcl2318
CephalexinCephalexin2221
Fluoxetine HclFluoxetine Hcl22suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide22suppressed
XareltoRivaroxaban22suppressed
Hydroxyzine HclHydroxyzine Hcl19suppressed
Venlafaxine Hcl ErVenlafaxine Hcl19suppressed
Amitriptyline HclAmitriptyline Hcl18suppressed
EliquisApixaban1812
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Benazepril HclBenazepril Hcl16suppressed
Hydralazine HclHydralazine Hcl16suppressed
ZonisamideZonisamide16suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1515
LevetiracetamLevetiracetam15suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide14suppressed
Metformin Hcl ErMetformin Hcl14suppressed
Ondansetron HclOndansetron Hcl14suppressed
AtenololAtenolol13suppressed
LorazepamLorazepam1311
SpironolactoneSpironolactone13suppressed
AcyclovirAcyclovir12suppressed
CelecoxibCelecoxib12suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl12suppressed
Warfarin SodiumWarfarin Sodium12suppressed
CefuroximeCefuroxime Axetil11suppressed
ClopidogrelClopidogrel Bisulfate11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
Fluticasone PropionateFluticasone Propionate11suppressed
MeloxicamMeloxicam11suppressed
Montelukast SodiumMontelukast Sodium11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed

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