Healthcare provider profile · identity verified

Nancy H Chasko, MD

Internal Medicine · YORK, PA · NPI 1801094073

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	492	123
Rosuvastatin Calcium	Rosuvastatin Calcium	321	84
Levothyroxine Sodium	Levothyroxine Sodium	309	76
Amlodipine Besylate	Amlodipine Besylate	233	66
Losartan Potassium	Losartan Potassium	220	65
Gabapentin	Gabapentin	198	42
Lisinopril	Lisinopril	194	53
Metformin Hcl	Metformin Hcl	171	49
Metoprolol Succinate	Metoprolol Succinate	164	43
Alendronate Sodium	Alendronate Sodium	143	41
Hydrochlorothiazide	Hydrochlorothiazide	141	45
Omeprazole	Omeprazole	141	44
Pantoprazole Sodium	Pantoprazole Sodium	140	36
Eliquis	Apixaban	138	27
Sertraline Hcl	Sertraline Hcl	118	35
Albuterol Sulfate Hfa	Albuterol Sulfate	106	36
Furosemide	Furosemide	100	28
Bupropion Xl	Bupropion Hcl	93	24
Duloxetine Hcl	Duloxetine Hcl	91	17
Tamsulosin Hcl	Tamsulosin Hcl	90	20
Metoprolol Tartrate	Metoprolol Tartrate	83	25
Trazodone Hcl	Trazodone Hcl	83	20
Zolpidem Tartrate	Zolpidem Tartrate	77	19
Celecoxib	Celecoxib	73	19
Carvedilol	Carvedilol	72	20
Meloxicam	Meloxicam	68	21
Escitalopram Oxalate	Escitalopram Oxalate	67	17
Metformin Hcl Er	Metformin Hcl	66	20
Spironolactone	Spironolactone	66	19
Allopurinol	Allopurinol	61	16
Citalopram Hbr	Citalopram Hydrobromide	59	14
Montelukast Sodium	Montelukast Sodium	59	13
Clopidogrel	Clopidogrel Bisulfate	58	18
Jardiance	Empagliflozin	58	13
Famotidine	Famotidine	54	16
Tramadol Hcl	Tramadol Hcl	53	13
Ozempic	Semaglutide	51	14
Fluticasone Propionate	Fluticasone Propionate	49	13
Irbesartan	Irbesartan	48	14
Potassium Chloride	Potassium Chloride	48	12
Amitriptyline Hcl	Amitriptyline Hcl	46	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	45	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	44	13
Pravastatin Sodium	Pravastatin Sodium	44	15
Lorazepam	Lorazepam	41	16
Synthroid	Levothyroxine Sodium	38	suppressed
Trulicity	Dulaglutide	38	11
Atenolol	Atenolol	37	11
Ondansetron Hcl	Ondansetron Hcl	36	17
Oxybutynin Chloride Er	Oxybutynin Chloride	36	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	35	12
Nortriptyline Hcl	Nortriptyline Hcl	34	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	34	suppressed
Valsartan	Valsartan	34	suppressed
Glipizide	Glipizide	32	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	32	16
Mounjaro	Tirzepatide	31	suppressed
Bupropion Hcl Sr	Bupropion Hcl	30	suppressed
Chlorthalidone	Chlorthalidone	30	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	30	suppressed
Simvastatin	Simvastatin	30	suppressed
Buspirone Hcl	Buspirone Hcl	27	suppressed
Finasteride	Finasteride	25	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	24	suppressed
Sucralfate	Sucralfate	24	suppressed
Baclofen	Baclofen	23	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	23	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	23	suppressed
Linzess	Linaclotide	23	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	22	suppressed
Glimepiride	Glimepiride	22	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	22	suppressed
Prednisone	Prednisone	22	20
Propranolol Hcl	Propranolol Hcl	22	suppressed
Tizanidine Hcl	Tizanidine Hcl	22	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	22	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	21	suppressed
Klor-Con M20	Potassium Chloride	21	suppressed
Lamotrigine	Lamotrigine	21	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Pregabalin	Pregabalin	21	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	21	11
Diclofenac Sodium	Diclofenac Sodium	20	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	20	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	19	suppressed
Rybelsus	Semaglutide	19	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	18	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	18	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	18	suppressed
Ezetimibe	Ezetimibe	18	suppressed
Glipizide Er	Glipizide	18	suppressed
Nifedipine Er	Nifedipine	18	suppressed
Alprazolam	Alprazolam	17	suppressed
Azelastine Hcl	Azelastine Hcl	17	suppressed
Mirtazapine	Mirtazapine	17	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	17	12
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	17	suppressed
Ventolin Hfa	Albuterol Sulfate	17	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	16	14
Aripiprazole	Aripiprazole	16	suppressed
Brilinta	Ticagrelor	16	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	16	suppressed
Novolog Flexpen	Insulin Aspart	16	suppressed
Acyclovir	Acyclovir	15	suppressed
Clonazepam	Clonazepam	15	suppressed
Estradiol	Estradiol	15	suppressed
Hydralazine Hcl	Hydralazine Hcl	15	suppressed
Lidocaine	Lidocaine	15	suppressed
Ropinirole Hcl	Ropinirole Hcl	15	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	15	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	14	suppressed
Azithromycin	Azithromycin	14	12
Valacyclovir	Valacyclovir Hcl	14	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Entresto	Sacubitril/Valsartan	13	suppressed
Farxiga	Dapagliflozin Propanediol	13	suppressed
Latanoprost	Latanoprost	13	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	13	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	13	suppressed
Tacrolimus	Tacrolimus	13	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	12	suppressed
Epinephrine	Epinephrine	12	suppressed
Famciclovir	Famciclovir	12	suppressed
Fenofibric Acid	Fenofibric Acid (Choline)	12	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	12	suppressed
Paroxetine Hcl	Paroxetine Hcl	12	suppressed
Premarin	Estrogens, Conjugated	12	suppressed
Ramipril	Ramipril	12	suppressed
Verapamil Er	Verapamil Hcl	12	suppressed
Bumetanide	Bumetanide	11	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	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