Healthcare provider profile · identity verified

Abbegail Collantes, M.D.

Family Practice · SACRAMENTO, CA · NPI 1043472343

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 Calcium577221
Amlodipine BesylateAmlodipine Besylate425152
Losartan PotassiumLosartan Potassium332125
Albuterol Sulfate HfaAlbuterol Sulfate21091
GabapentinGabapentin20376
LisinoprilLisinopril19171
Metoprolol TartrateMetoprolol Tartrate17066
Pantoprazole SodiumPantoprazole Sodium14646
FamotidineFamotidine14354
Levothyroxine SodiumLevothyroxine Sodium13454
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11435
HydrochlorothiazideHydrochlorothiazide11049
Fluticasone PropionateFluticasone Propionate10846
Alendronate SodiumAlendronate Sodium10438
Metformin HclMetformin Hcl10236
AllopurinolAllopurinol9632
Tamsulosin HclTamsulosin Hcl9034
AlvescoCiclesonide8734
SimvastatinSimvastatin8735
Metformin Hcl ErMetformin Hcl7930
OmeprazoleOmeprazole7424
Spiriva RespimatTiotropium Bromide6724
Trazodone HclTrazodone Hcl6425
FurosemideFurosemide5726
AtenololAtenolol5622
IbuprofenIbuprofen5319
Hydralazine HclHydralazine Hcl5223
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4918
CarvedilolCarvedilol4720
Clobetasol PropionateClobetasol Propionate4718
Metoprolol SuccinateMetoprolol Succinate4714
BreynaBudesonide/Formoterol Fumarate4516
LovastatinLovastatin4520
Triamcinolone AcetonideTriamcinolone Acetonide4327
ColchicineColchicine4115
Doxycycline MonohydrateDoxycycline Monohydrate4035
GlipizideGlipizide3921
Wixela InhubFluticasone Propion/Salmeterol3712
MirtazapineMirtazapine3615
JardianceEmpagliflozin3313
Terazosin HclTerazosin Hcl3313
Tramadol HclTramadol Hcl32suppressed
Montelukast SodiumMontelukast Sodium3111
Potassium ChloridePotassium Chloride3112
Tizanidine HclTizanidine Hcl2912
ChlorthalidoneChlorthalidone2811
Nifedipine ErNifedipine2813
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen27suppressed
PrednisonePrednisone2721
Humulin NInsulin Nph Human Isophane2413
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide2411
Sertraline HclSertraline Hcl2411
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml24suppressed
Duloxetine HclDuloxetine Hcl22suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate22suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2121
EliquisApixaban21suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn2112
Pravastatin SodiumPravastatin Sodium21suppressed
FluocinonideFluocinonide20suppressed
Bupropion XlBupropion Hcl19suppressed
Hydroxyzine HclHydroxyzine Hcl19suppressed
BaclofenBaclofen18suppressed
FinasterideFinasteride18suppressed
Rosuvastatin CalciumRosuvastatin Calcium18suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1717
ClopidogrelClopidogrel Bisulfate17suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
PradaxaDabigatran Etexilate Mesylate17suppressed
OzempicSemaglutide16suppressed
AmoxicillinAmoxicillin1514
Betamethasone Diprop AugmentedBetamethasone/Propylene Glyc15suppressed
Bisoprolol FumarateBisoprolol Fumarate15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl15suppressed
MeloxicamMeloxicam15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
Ondansetron HclOndansetron Hcl14suppressed
Pioglitazone HclPioglitazone Hcl14suppressed
Humalog Kwikpen U-100Insulin Lispro13suppressed
LorazepamLorazepam1311
Stiolto RespimatTiotropium Br/Olodaterol Hcl13suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic13suppressed
CefadroxilCefadroxil1212
Glipizide ErGlipizide12suppressed
NabumetoneNabumetone12suppressed
NaproxenNaproxen12suppressed
RisperidoneRisperidone12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Trospium ChlorideTrospium Chloride12suppressed
Verapamil ErVerapamil Hcl12suppressed
Clonidine HclClonidine Hcl11suppressed
Donepezil HclDonepezil Hcl11suppressed
HumalogInsulin Lispro11suppressed
Humulin N KwikpenInsulin Nph Human Isophane11suppressed

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