Healthcare provider profile · identity verified

Deborah Koval

Nurse Practitioner · CHANDLER, AZ · NPI 1811543317

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
Levothyroxine Sodium	Levothyroxine Sodium	230	48
Atorvastatin Calcium	Atorvastatin Calcium	158	32
Gabapentin	Gabapentin	150	30
Amlodipine Besylate	Amlodipine Besylate	149	37
Trazodone Hcl	Trazodone Hcl	126	24
Furosemide	Furosemide	125	24
Lisinopril	Lisinopril	125	35
Sertraline Hcl	Sertraline Hcl	118	25
Metoprolol Succinate	Metoprolol Succinate	111	21
Famotidine	Famotidine	89	22
Losartan Potassium	Losartan Potassium	83	19
Eliquis	Apixaban	82	16
Myrbetriq	Mirabegron	82	11
Potassium Chloride	Potassium Chloride	75	13
Fluticasone Propionate	Fluticasone Propionate	73	22
Rosuvastatin Calcium	Rosuvastatin Calcium	73	15
Pantoprazole Sodium	Pantoprazole Sodium	70	17
Tamsulosin Hcl	Tamsulosin Hcl	66	14
Metoprolol Tartrate	Metoprolol Tartrate	59	suppressed
Omeprazole	Omeprazole	59	13
Simvastatin	Simvastatin	58	11
Montelukast Sodium	Montelukast Sodium	54	11
Escitalopram Oxalate	Escitalopram Oxalate	49	suppressed
Azelastine Hcl	Azelastine Hcl	45	18
Duloxetine Hcl	Duloxetine Hcl	42	suppressed
Donepezil Hcl	Donepezil Hcl	40	11
Alendronate Sodium	Alendronate Sodium	38	13
Finasteride	Finasteride	35	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	35	suppressed
Metformin Hcl	Metformin Hcl	34	suppressed
Mirtazapine	Mirtazapine	34	suppressed
Trulicity	Dulaglutide	34	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	32	17
Ropinirole Hcl	Ropinirole Hcl	31	suppressed
Clopidogrel	Clopidogrel Bisulfate	30	suppressed
Levetiracetam	Levetiracetam	30	suppressed
Baclofen	Baclofen	28	suppressed
Memantine Hcl	Memantine Hcl	27	suppressed
Citalopram Hbr	Citalopram Hydrobromide	26	suppressed
Metformin Hcl Er	Metformin Hcl	26	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	24	suppressed
Carbamazepine	Carbamazepine	23	suppressed
Carvedilol	Carvedilol	23	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	23	suppressed
Latanoprost	Latanoprost	23	suppressed
Allopurinol	Allopurinol	21	suppressed
Nystatin	Nystatin	21	11
Topiramate	Topiramate	21	suppressed
Jardiance	Empagliflozin	20	suppressed
Buspirone Hcl	Buspirone Hcl	19	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	19	suppressed
Valsartan	Valsartan	19	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	18	suppressed
Nifedipine Er	Nifedipine	18	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	18	suppressed
Tramadol Hcl	Tramadol Hcl	18	suppressed
Bupropion Xl	Bupropion Hcl	17	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	17	suppressed
Invega Sustenna	Paliperidone Palmitate	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	17	suppressed
Tizanidine Hcl	Tizanidine Hcl	17	suppressed
Glipizide Er	Glipizide	16	suppressed
Olanzapine	Olanzapine	16	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	16	suppressed
Hydralazine Hcl	Hydralazine Hcl	15	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	15	suppressed
Aripiprazole	Aripiprazole	14	suppressed
Letrozole	Letrozole	14	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	14	14
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	14	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	13	suppressed
Divalproex Sodium	Divalproex Sodium	13	suppressed
Ezetimibe	Ezetimibe	13	suppressed
Ketoconazole	Ketoconazole	13	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	13	suppressed
Prednisone	Prednisone	13	suppressed
Clonidine Hcl	Clonidine Hcl	12	suppressed
Lubiprostone	Lubiprostone	12	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	12	suppressed
Benztropine Mesylate	Benztropine Mesylate	11	suppressed
Chlorthalidone	Chlorthalidone	11	suppressed
Dalfampridine Er	Dalfampridine	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Pravastatin Sodium	Pravastatin Sodium	11	suppressed
Rivastigmine	Rivastigmine	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