Healthcare provider profile · identity verified

Zachary Charles Hackworth, PHARMD

Pharmacist · PALM SPRINGS, CA · NPI 1285372680

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
OzempicSemaglutide23455
Rosuvastatin CalciumRosuvastatin Calcium23381
JardianceEmpagliflozin22852
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog18345
Amlodipine BesylateAmlodipine Besylate18162
Metformin Hcl ErMetformin Hcl16860
Atorvastatin CalciumAtorvastatin Calcium15668
LisinoprilLisinopril14749
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12842
Losartan PotassiumLosartan Potassium12844
Metformin HclMetformin Hcl11447
Humalog Kwikpen U-100Insulin Lispro9533
HydrochlorothiazideHydrochlorothiazide9327
Soliqua 100-33Insulin Glargine/Lixisenatide8919
EzetimibeEzetimibe8829
Nano 2nd Gen Pen NeedlePen Needle, Diabetic8343
Metoprolol SuccinateMetoprolol Succinate8130
Pioglitazone HclPioglitazone Hcl7924
TrulicityDulaglutide7317
RybelsusSemaglutide7119
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog6912
CarvedilolCarvedilol6718
Clonidine HclClonidine Hcl6628
SpironolactoneSpironolactone6620
MounjaroTirzepatide6112
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog56suppressed
Novolog FlexpenInsulin Aspart5311
Hydralazine HclHydralazine Hcl4415
JanuviaSitagliptin Phosphate4414
GlipizideGlipizide4216
FarxigaDapagliflozin Propanediol40suppressed
Droplet Pen NeedlePen Needle, Diabetic3720
FurosemideFurosemide3615
Repatha SureclickEvolocumab31suppressed
ChlorthalidoneChlorthalidone3012
Tresiba Flextouch U-100Insulin Degludec30suppressed
LantusInsulin Glargine,hum.Rec.Anlog28suppressed
Potassium ChloridePotassium Chloride28suppressed
AtenololAtenolol25suppressed
NexletolBempedoic Acid25suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro21suppressed
PaxlovidNirmatrelvir/Ritonavir1818
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide18suppressed
HumalogInsulin Lispro16suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters16suppressed
Propranolol HclPropranolol Hcl16suppressed
Ulticare Pen NeedlePen Needle, Diabetic16suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide14suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic14suppressed
AcarboseAcarbose13suppressed
Benazepril HclBenazepril Hcl12suppressed
Pravastatin SodiumPravastatin Sodium11suppressed
Tresiba Flextouch U-200Insulin Degludec11suppressed

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