Healthcare provider profile · identity verified

Ulysses Herrera, MD

Family Practice · RIVERSIDE, CA · NPI 1588931455

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 Calcium459171
Rosuvastatin CalciumRosuvastatin Calcium24789
Amlodipine BesylateAmlodipine Besylate24386
LisinoprilLisinopril23787
Metformin HclMetformin Hcl20673
Losartan PotassiumLosartan Potassium17258
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen16225
MeloxicamMeloxicam16279
GlipizideGlipizide15052
GabapentinGabapentin13149
Tamsulosin HclTamsulosin Hcl13149
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12847
Levothyroxine SodiumLevothyroxine Sodium12041
Pantoprazole SodiumPantoprazole Sodium11638
Albuterol Sulfate HfaAlbuterol Sulfate10934
OmeprazoleOmeprazole10742
SimvastatinSimvastatin9734
LactuloseLactulose9036
Trazodone HclTrazodone Hcl9030
Tramadol HclTramadol Hcl8418
Potassium ChloridePotassium Chloride8028
Metoprolol TartrateMetoprolol Tartrate7826
Alendronate SodiumAlendronate Sodium7428
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6823
CarvedilolCarvedilol6622
FurosemideFurosemide6226
Terazosin HclTerazosin Hcl5822
Azelastine HclAzelastine Hcl5727
FinasterideFinasteride5316
PradaxaDabigatran Etexilate Mesylate5116
Nano 2nd Gen Pen NeedlePen Needle, Diabetic5011
AtenololAtenolol4916
Humulin N KwikpenInsulin Nph Human Isophane4913
Metformin Hcl ErMetformin Hcl4419
HydrochlorothiazideHydrochlorothiazide4318
PrednisonePrednisone4339
HydrocortisoneHydrocortisone4217
MirtazapineMirtazapine4119
Duloxetine HclDuloxetine Hcl4014
Bisoprolol FumarateBisoprolol Fumarate3914
NaproxenNaproxen39suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen36suppressed
Betamethasone Diprop AugmentedBetamethasone/Propylene Glyc3415
IbuprofenIbuprofen3414
JardianceEmpagliflozin3415
AllopurinolAllopurinol3212
TemazepamTemazepam32suppressed
TradjentaLinagliptin3214
AzithromycinAzithromycin3128
Wixela InhubFluticasone Propion/Salmeterol2911
Hydralazine HclHydralazine Hcl2811
OzempicSemaglutide26suppressed
Escitalopram OxalateEscitalopram Oxalate25suppressed
LorazepamLorazepam25suppressed
ClopidogrelClopidogrel Bisulfate24suppressed
Fluoxetine HclFluoxetine Hcl24suppressed
FamotidineFamotidine22suppressed
Humulin NInsulin Nph Human Isophane22suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate22suppressed
Victoza 2-PakLiraglutide22suppressed
Ciprofloxacin HclCiprofloxacin Hcl2117
Montelukast SodiumMontelukast Sodium2112
Pravastatin SodiumPravastatin Sodium20suppressed
XifaxanRifaximin20suppressed
AlprazolamAlprazolam19suppressed
Oxybutynin Chloride ErOxybutynin Chloride19suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic19suppressed
AlvescoCiclesonide18suppressed
Glipizide ErGlipizide18suppressed
Sertraline HclSertraline Hcl18suppressed
CephalexinCephalexin1717
FenofibrateFenofibrate16suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn16suppressed
TestosteroneTestosterone16suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1515
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1515
ColchicineColchicine15suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine15suppressed
LovastatinLovastatin15suppressed
SitagliptinSitagliptin15suppressed
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm14suppressed
Ondansetron OdtOndansetron14suppressed
OxazepamOxazepam14suppressed
Spiriva RespimatTiotropium Bromide14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
LiraglutideLiraglutide13suppressed
Veo Insulin SyringeSyrge-Ndl,ins 0.3 Ml Half Mark13suppressed
AmoxicillinAmoxicillin12suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1212
Doxycycline MonohydrateDoxycycline Monohydrate1212
Morphine Sulfate ErMorphine Sulfate12suppressed
MupirocinMupirocin12suppressed
Quetiapine FumarateQuetiapine Fumarate12suppressed
ValacyclovirValacyclovir Hcl12suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml12suppressed
Acetaminophen-CodeineAcetaminophen With Codeine11suppressed
Glipizide-MetforminGlipizide/Metformin Hcl11suppressed
Pioglitazone HclPioglitazone 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