Healthcare provider profile · identity verified

Brian C. Knop, M.D.

Family Practice · HANOVER, PA · NPI 1164426532

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
Rosuvastatin Calcium	Rosuvastatin Calcium	478	129
Lisinopril	Lisinopril	466	126
Atorvastatin Calcium	Atorvastatin Calcium	398	108
Amlodipine Besylate	Amlodipine Besylate	319	94
Losartan Potassium	Losartan Potassium	250	65
Metoprolol Succinate	Metoprolol Succinate	222	58
Levothyroxine Sodium	Levothyroxine Sodium	196	54
Pantoprazole Sodium	Pantoprazole Sodium	166	54
Gabapentin	Gabapentin	149	32
Hydrochlorothiazide	Hydrochlorothiazide	138	35
Metoprolol Tartrate	Metoprolol Tartrate	136	30
Metformin Hcl Er	Metformin Hcl	128	37
Eliquis	Apixaban	121	26
Omeprazole	Omeprazole	119	44
Sertraline Hcl	Sertraline Hcl	114	31
Metformin Hcl	Metformin Hcl	105	32
Pravastatin Sodium	Pravastatin Sodium	83	20
Jardiance	Empagliflozin	80	27
Furosemide	Furosemide	77	24
Tamsulosin Hcl	Tamsulosin Hcl	71	19
Montelukast Sodium	Montelukast Sodium	68	17
Simvastatin	Simvastatin	65	20
Allopurinol	Allopurinol	64	16
Terazosin Hcl	Terazosin Hcl	63	17
Albuterol Sulfate Hfa	Albuterol Sulfate	62	31
Alendronate Sodium	Alendronate Sodium	59	20
Duloxetine Hcl	Duloxetine Hcl	58	suppressed
Cefdinir	Cefdinir	56	47
Fluticasone Propionate	Fluticasone Propionate	56	20
Ezetimibe	Ezetimibe	55	17
Trazodone Hcl	Trazodone Hcl	55	15
Escitalopram Oxalate	Escitalopram Oxalate	54	16
Famotidine	Famotidine	53	15
Paroxetine Hcl	Paroxetine Hcl	53	13
Buspirone Hcl	Buspirone Hcl	48	13
Carvedilol	Carvedilol	48	12
Oxycodone Hcl	Oxycodone Hcl	48	suppressed
Tramadol Hcl	Tramadol Hcl	48	suppressed
Alprazolam	Alprazolam	47	suppressed
Meloxicam	Meloxicam	47	15
Prednisone	Prednisone	47	33
Potassium Chloride	Potassium Chloride	46	12
Clopidogrel	Clopidogrel Bisulfate	45	14
Isosorbide Mononitrate Er	Isosorbide Mononitrate	43	suppressed
Lovastatin	Lovastatin	43	14
Zolpidem Tartrate	Zolpidem Tartrate	43	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	42	suppressed
Glipizide	Glipizide	41	11
Atenolol	Atenolol	38	11
Ropinirole Hcl	Ropinirole Hcl	38	suppressed
Valsartan	Valsartan	37	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	36	27
Fluoxetine Hcl	Fluoxetine Hcl	35	suppressed
Glimepiride	Glimepiride	35	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	35	suppressed
Diclofenac Sodium	Diclofenac Sodium	34	suppressed
Donepezil Hcl	Donepezil Hcl	34	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	34	suppressed
Finasteride	Finasteride	33	suppressed
Celecoxib	Celecoxib	31	suppressed
Myrbetriq	Mirabegron	31	suppressed
Bupropion Xl	Bupropion Hcl	30	suppressed
Chlorthalidone	Chlorthalidone	30	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	28	25
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	27	13
Doxazosin Mesylate	Doxazosin Mesylate	27	suppressed
Glipizide Er	Glipizide	27	11
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	26	suppressed
Meclizine Hcl	Meclizine Hcl	26	suppressed
Azithromycin	Azithromycin	25	17
Esomeprazole Magnesium	Esomeprazole Magnesium	25	suppressed
Spironolactone	Spironolactone	24	suppressed
Cephalexin	Cephalexin	23	20
Lorazepam	Lorazepam	23	suppressed
Memantine Hcl	Memantine Hcl	23	suppressed
Nitroglycerin	Nitroglycerin	23	15
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	23	suppressed
Synthroid	Levothyroxine Sodium	23	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	22	suppressed
Adacel Tdap	Diph,pertuss(Acell),tet Vac/Pf	21	21
Fenofibrate	Fenofibrate	21	suppressed
Hydralazine Hcl	Hydralazine Hcl	21	suppressed
Naproxen	Naproxen	21	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	21	16
Pitavastatin Calcium	Pitavastatin Calcium	21	suppressed
Breo Ellipta	Fluticasone/Vilanterol	19	suppressed
Ipratropium Bromide	Ipratropium Bromide	19	suppressed
Ondansetron Odt	Ondansetron	19	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	19	11
Xarelto	Rivaroxaban	19	suppressed
Repatha Sureclick	Evolocumab	18	suppressed
Telmisartan	Telmisartan	18	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	17	suppressed
Torsemide	Torsemide	17	suppressed
Clonidine Hcl	Clonidine Hcl	16	suppressed
Irbesartan	Irbesartan	15	suppressed
Amoxicillin	Amoxicillin	14	suppressed
Citalopram Hbr	Citalopram Hydrobromide	14	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	14	suppressed
Levetiracetam	Levetiracetam	14	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	14	suppressed
Propranolol Hcl Er	Propranolol Hcl	14	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	14	suppressed
Topiramate	Topiramate	14	suppressed
Verapamil Er	Verapamil Hcl	14	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	13	suppressed
Dabigatran Etexilate	Dabigatran Etexilate Mesylate	13	suppressed
Farxiga	Dapagliflozin Propanediol	13	suppressed
Januvia	Sitagliptin Phosphate	13	suppressed
Phenobarbital	Phenobarbital	13	suppressed
Ramipril	Ramipril	13	suppressed
Brilinta	Ticagrelor	12	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	12	suppressed
Ibandronate Sodium	Ibandronate Sodium	12	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	12	suppressed
Nifedipine Er	Nifedipine	12	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	12	suppressed
Ramelteon	Ramelteon	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Trulicity	Dulaglutide	12	suppressed
Vascepa	Icosapent Ethyl	12	suppressed
Benazepril Hcl	Benazepril Hcl	11	suppressed
Fluconazole	Fluconazole	11	suppressed
Linzess	Linaclotide	11	suppressed
Methylphenidate Er	Methylphenidate Hcl	11	suppressed
Morphine Sulfate Er	Morphine Sulfate	11	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	11	suppressed
Rabeprazole Sodium	Rabeprazole Sodium	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