Healthcare provider profile · identity verified

William Rohimbox Morrison, MD PH.D MPAS

Physician Assistant · SUFFOLK, VA · NPI 1366575417

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 Calcium556192
Amlodipine BesylateAmlodipine Besylate464157
Losartan PotassiumLosartan Potassium29499
OmeprazoleOmeprazole23082
GabapentinGabapentin22575
Albuterol Sulfate HfaAlbuterol Sulfate20973
LisinoprilLisinopril19864
HydrochlorothiazideHydrochlorothiazide18768
Zolpidem TartrateZolpidem Tartrate17030
Metformin HclMetformin Hcl15556
FurosemideFurosemide15356
Levothyroxine SodiumLevothyroxine Sodium14251
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12635
EliquisApixaban11928
CarvedilolCarvedilol11040
Tamsulosin HclTamsulosin Hcl10631
SimvastatinSimvastatin10232
Hydralazine HclHydralazine Hcl9823
Pantoprazole SodiumPantoprazole Sodium9432
FamotidineFamotidine9031
Metoprolol SuccinateMetoprolol Succinate8836
Venlafaxine Hcl ErVenlafaxine Hcl8037
Fluticasone PropionateFluticasone Propionate7933
Rosuvastatin CalciumRosuvastatin Calcium7832
Tramadol HclTramadol Hcl7528
Buspirone HclBuspirone Hcl7428
LorazepamLorazepam7416
Trazodone HclTrazodone Hcl7424
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen7322
Diclofenac SodiumDiclofenac Sodium7227
Metformin Hcl ErMetformin Hcl7230
Duloxetine HclDuloxetine Hcl6924
Glipizide ErGlipizide6623
Metoprolol TartrateMetoprolol Tartrate6325
PregabalinPregabalin6313
Meclizine HclMeclizine Hcl6216
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6121
Clonidine HclClonidine Hcl5818
MethocarbamolMethocarbamol5718
IbuprofenIbuprofen5417
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen5424
Potassium ChloridePotassium Chloride5421
Montelukast SodiumMontelukast Sodium5322
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav5143
ClopidogrelClopidogrel Bisulfate5119
Cyclobenzaprine HclCyclobenzaprine Hcl5119
OzempicSemaglutide5113
GlipizideGlipizide4619
AlprazolamAlprazolam45suppressed
SpironolactoneSpironolactone4513
Triamcinolone AcetonideTriamcinolone Acetonide4511
ClonazepamClonazepam4313
Paroxetine HclParoxetine Hcl4316
AllopurinolAllopurinol4219
MeloxicamMeloxicam4216
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3514
Tizanidine HclTizanidine Hcl3412
Amitriptyline HclAmitriptyline Hcl33suppressed
Citalopram HbrCitalopram Hydrobromide33suppressed
JanuviaSitagliptin Phosphate3312
Ondansetron OdtOndansetron3320
Breo ElliptaFluticasone/Vilanterol32suppressed
Hydroxyzine HclHydroxyzine Hcl3214
Bupropion XlBupropion Hcl30suppressed
Propranolol Hcl ErPropranolol Hcl30suppressed
BumetanideBumetanide29suppressed
NitroglycerinNitroglycerin2812
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine27suppressed
MupirocinMupirocin2718
CelecoxibCelecoxib2611
LantusInsulin Glargine,hum.Rec.Anlog26suppressed
LevetiracetamLevetiracetam26suppressed
BaclofenBaclofen25suppressed
Sertraline HclSertraline Hcl2511
Ventolin HfaAlbuterol Sulfate25suppressed
AtenololAtenolol24suppressed
Droplet Pen NeedlePen Needle, Diabetic2411
Fluoxetine HclFluoxetine Hcl24suppressed
PrednisonePrednisone2313
SucralfateSucralfate2313
XareltoRivaroxaban23suppressed
AzithromycinAzithromycin2221
TopiramateTopiramate22suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol21suppressed
JardianceEmpagliflozin21suppressed
Pioglitazone HclPioglitazone Hcl21suppressed
TemazepamTemazepam21suppressed
Donepezil HclDonepezil Hcl20suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro20suppressed
Quetiapine FumarateQuetiapine Fumarate20suppressed
Venlafaxine HclVenlafaxine Hcl20suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1918
TrulicityDulaglutide19suppressed
Alendronate SodiumAlendronate Sodium18suppressed
Escitalopram OxalateEscitalopram Oxalate18suppressed
GlimepirideGlimepiride18suppressed
LovastatinLovastatin18suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter18suppressed
ChlorthalidoneChlorthalidone17suppressed
EzetimibeEzetimibe17suppressed
Labetalol HclLabetalol Hcl17suppressed
Warfarin SodiumWarfarin Sodium17suppressed
CarbamazepineCarbamazepine16suppressed
ColchicineColchicine16suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine16suppressed
Nifedipine ErNifedipine16suppressed
CholestyramineCholestyramine (With Sugar)15suppressed
Doxazosin MesylateDoxazosin Mesylate15suppressed
Humalog Kwikpen U-100Insulin Lispro15suppressed
Klor-Con M20Potassium Chloride15suppressed
LidocaineLidocaine15suppressed
Olmesartan MedoxomilOlmesartan Medoxomil15suppressed
Sumatriptan SuccinateSumatriptan Succinate15suppressed
ValacyclovirValacyclovir Hcl15suppressed
ValsartanValsartan15suppressed
Azelastine HclAzelastine Hcl14suppressed
FluconazoleFluconazole14suppressed
LinzessLinaclotide14suppressed
Metoclopramide HclMetoclopramide Hcl14suppressed
MirtazapineMirtazapine14suppressed
Oxybutynin Chloride ErOxybutynin Chloride14suppressed
Spiriva HandihalerTiotropium Bromide14suppressed
SymbicortBudesonide/Formoterol Fumarate14suppressed
Amiodarone HclAmiodarone Hcl13suppressed
CiclopiroxCiclopirox Olamine13suppressed
FarxigaDapagliflozin Propanediol13suppressed
Ropinirole HclRopinirole Hcl13suppressed
FenofibrateFenofibrate Nanocrystallized12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
NaproxenNaproxen12suppressed
Advair HfaFluticasone Propion/Salmeterol11suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog11suppressed
CarisoprodolCarisoprodol11suppressed
IbuIbuprofen11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
Ketorolac TromethamineKetorolac Tromethamine11suppressed
LansoprazoleLansoprazole11suppressed
LoperamideLoperamide Hcl11suppressed
MethimazoleMethimazole11suppressed
Midodrine HclMidodrine Hcl11suppressed
MyrbetriqMirabegron11suppressed
Naloxone HclNaloxone Hcl11suppressed
Nebivolol HclNebivolol 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
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