Healthcare provider profile · identity verified

Maurice A Guzman, M.D.

Family Practice · CHICAGO, IL · NPI 1528057874

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 Calcium376125
FenofibrateFenofibrate25795
Amlodipine BesylateAmlodipine Besylate25375
Metformin HclMetformin Hcl23376
LisinoprilLisinopril20864
Losartan PotassiumLosartan Potassium14446
GlipizideGlipizide12737
Alendronate SodiumAlendronate Sodium9028
Levothyroxine SodiumLevothyroxine Sodium8324
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide8228
HydrochlorothiazideHydrochlorothiazide7722
Vitamin D2Ergocalciferol (Vitamin D2)7623
OmeprazoleOmeprazole7333
SimvastatinSimvastatin6824
Tamsulosin HclTamsulosin Hcl6423
MeloxicamMeloxicam5818
Lantus SolostarInsulin Glargine,hum.Rec.Anlog54suppressed
Pro Comfort Alcohol PadsAlcohol Antiseptic Pads5118
GabapentinGabapentin4516
Pioglitazone HclPioglitazone Hcl4413
Metoprolol SuccinateMetoprolol Succinate4314
Trazodone HclTrazodone Hcl4114
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3914
Clonidine HclClonidine Hcl3615
Pantoprazole SodiumPantoprazole Sodium3615
Mometasone FuroateMometasone Furoate3518
Meclizine HclMeclizine Hcl3414
Citalopram HbrCitalopram Hydrobromide3311
EliquisApixaban31suppressed
CelecoxibCelecoxib3018
NabumetoneNabumetone2916
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog28suppressed
ClonazepamClonazepam28suppressed
FamotidineFamotidine2815
JanuviaSitagliptin Phosphate27suppressed
GlimepirideGlimepiride26suppressed
Sertraline HclSertraline Hcl26suppressed
AlprazolamAlprazolam24suppressed
Metoprolol TartrateMetoprolol Tartrate24suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2221
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril21suppressed
CarvedilolCarvedilol21suppressed
ClotrimazoleClotrimazole21suppressed
Glipizide ErGlipizide21suppressed
ClopidogrelClopidogrel Bisulfate20suppressed
JardianceEmpagliflozin20suppressed
NaproxenNaproxen1914
Azelastine HclAzelastine Hcl18suppressed
Diclofenac SodiumDiclofenac Sodium18suppressed
Enalapril MaleateEnalapril Maleate18suppressed
Sildenafil CitrateSildenafil Citrate18suppressed
TelmisartanTelmisartan17suppressed
Nifedipine ErNifedipine16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide16suppressed
Albuterol Sulfate HfaAlbuterol Sulfate15suppressed
Humalog Kwikpen U-100Insulin Lispro14suppressed
IbuprofenIbuprofen14suppressed
Rosuvastatin CalciumRosuvastatin Calcium14suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine13suppressed
FurosemideFurosemide13suppressed
GemfibrozilGemfibrozil13suppressed
HydrocortisoneHydrocortisone13suppressed
MyrbetriqMirabegron13suppressed
Clorazepate DipotassiumClorazepate Dipotassium12suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
PrednisonePrednisone12suppressed
Warfarin SodiumWarfarin Sodium12suppressed
Montelukast SodiumMontelukast Sodium11suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter11suppressed

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