Healthcare provider profile · identity verified

Kori L Singleton, MD

Family Practice · PHOENIX, AZ · NPI 1205807005

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

Brand	Generic	Claims	Beneficiaries
Atorvastatin Calcium	Atorvastatin Calcium	676	74
Gabapentin	Gabapentin	670	71
Amlodipine Besylate	Amlodipine Besylate	391	49
Eliquis	Apixaban	382	30
Levothyroxine Sodium	Levothyroxine Sodium	376	35
Sertraline Hcl	Sertraline Hcl	320	31
Lisinopril	Lisinopril	300	36
Tamsulosin Hcl	Tamsulosin Hcl	252	30
Furosemide	Furosemide	221	29
Duloxetine Hcl	Duloxetine Hcl	203	21
Hydroxyzine Hcl	Hydroxyzine Hcl	191	26
Losartan Potassium	Losartan Potassium	183	25
Trazodone Hcl	Trazodone Hcl	183	30
Potassium Chloride	Potassium Chloride	172	24
Carvedilol	Carvedilol	153	21
Xarelto	Rivaroxaban	153	suppressed
Metoprolol Succinate	Metoprolol Succinate	141	25
Metformin Hcl	Metformin Hcl	131	19
Metoprolol Tartrate	Metoprolol Tartrate	120	17
Baclofen	Baclofen	113	18
Pantoprazole Sodium	Pantoprazole Sodium	113	16
Divalproex Sodium	Divalproex Sodium	109	suppressed
Mirtazapine	Mirtazapine	105	17
Clopidogrel	Clopidogrel Bisulfate	99	suppressed
Donepezil Hcl	Donepezil Hcl	92	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	86	11
Escitalopram Oxalate	Escitalopram Oxalate	84	11
Hydrochlorothiazide	Hydrochlorothiazide	81	12
Spironolactone	Spironolactone	80	15
Ropinirole Hcl	Ropinirole Hcl	78	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	71	17
Buspirone Hcl	Buspirone Hcl	69	suppressed
Olanzapine	Olanzapine	69	suppressed
Levetiracetam	Levetiracetam	68	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	67	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	67	suppressed
Meloxicam	Meloxicam	65	suppressed
Jardiance	Empagliflozin	59	suppressed
Celecoxib	Celecoxib	55	suppressed
Methocarbamol	Methocarbamol	52	13
Fluoxetine Hcl	Fluoxetine Hcl	50	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	49	21
Omeprazole	Omeprazole	49	23
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	48	suppressed
Ondansetron Hcl	Ondansetron Hcl	47	22
Famotidine	Famotidine	45	suppressed
Tizanidine Hcl	Tizanidine Hcl	45	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	44	12
Finasteride	Finasteride	44	suppressed
Bupropion Xl	Bupropion Hcl	39	suppressed
Pravastatin Sodium	Pravastatin Sodium	39	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	39	suppressed
Glimepiride	Glimepiride	38	suppressed
Montelukast Sodium	Montelukast Sodium	38	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	37	suppressed
Fluticasone Propionate	Fluticasone Propionate	36	suppressed
Metformin Hcl Er	Metformin Hcl	36	suppressed
Oxycodone Hcl	Oxycodone Hcl	36	18
Glipizide	Glipizide	35	suppressed
Divalproex Sodium Er	Divalproex Sodium	34	suppressed
Risperidone	Risperidone	33	suppressed
Tiotropium Bromide	Tiotropium Bromide	27	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	27	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	13
Creon	Lipase/Protease/Amylase	26	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	26	suppressed
Midodrine Hcl	Midodrine Hcl	25	suppressed
Spiriva Handihaler	Tiotropium Bromide	25	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	25	14
Allopurinol	Allopurinol	23	suppressed
Humalog	Insulin Lispro	23	suppressed
Diclofenac Sodium	Diclofenac Sodium	22	11
Hydralazine Hcl	Hydralazine Hcl	21	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Ondansetron Odt	Ondansetron	19	11
Sulfasalazine	Sulfasalazine	19	suppressed
Amiodarone Hcl	Amiodarone Hcl	18	suppressed
Oxcarbazepine	Oxcarbazepine	18	suppressed
Topiramate	Topiramate	18	suppressed
Torsemide	Torsemide	18	suppressed
Aripiprazole	Aripiprazole	17	suppressed
Incruse Ellipta	Umeclidinium Bromide	17	suppressed
Lamotrigine	Lamotrigine	17	suppressed
Scopolamine	Scopolamine	17	suppressed
Alendronate Sodium	Alendronate Sodium	16	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	16	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	16	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	16	suppressed
Acetylcysteine	Acetylcysteine	15	suppressed
Amantadine	Amantadine Hcl	15	suppressed
Myrbetriq	Mirabegron	15	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	15	suppressed
Prednisone	Prednisone	15	suppressed
Arnuity Ellipta	Fluticasone Furoate	14	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	14	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Azithromycin	Azithromycin	13	suppressed
Breyna	Budesonide/Formoterol Fumarate	13	suppressed
Ezetimibe	Ezetimibe	13	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	13	11
Lactulose	Lactulose	13	suppressed
Lovastatin	Lovastatin	13	suppressed
Sucralfate	Sucralfate	13	suppressed
Amoxicillin	Amoxicillin	12	suppressed
Cephalexin	Cephalexin	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	suppressed
Cyclosporine	Cyclosporine	12	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	12	suppressed
Primidone	Primidone	12	suppressed
Synjardy Xr	Empagliflozin/Metformin Hcl	12	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	12	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	12	suppressed
Humulin R	Insulin Regular, Human	11	suppressed
Levofloxacin	Levofloxacin	11	suppressed
Meclizine Hcl	Meclizine Hcl	11	suppressed
Morphine Sulfate Er	Morphine Sulfate	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Trulicity	Dulaglutide	11	suppressed
Warfarin Sodium	Warfarin Sodium	11	suppressed

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.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
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