Healthcare provider profile · identity verified

Gregory Gallik, DO

Family Practice · MURRYSVILLE, PA · NPI 1699749085

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	847	243
Lisinopril	Lisinopril	487	138
Amlodipine Besylate	Amlodipine Besylate	426	128
Levothyroxine Sodium	Levothyroxine Sodium	372	107
Omeprazole	Omeprazole	279	88
Losartan Potassium	Losartan Potassium	251	78
Pantoprazole Sodium	Pantoprazole Sodium	235	73
Hydrochlorothiazide	Hydrochlorothiazide	234	70
Metformin Hcl Er	Metformin Hcl	215	75
Eliquis	Apixaban	212	44
Metoprolol Succinate	Metoprolol Succinate	212	65
Famotidine	Famotidine	211	67
Metformin Hcl	Metformin Hcl	207	52
Gabapentin	Gabapentin	190	62
Rosuvastatin Calcium	Rosuvastatin Calcium	174	56
Simvastatin	Simvastatin	167	48
Jardiance	Empagliflozin	151	32
Fluticasone Propionate	Fluticasone Propionate	146	40
Trazodone Hcl	Trazodone Hcl	133	46
Escitalopram Oxalate	Escitalopram Oxalate	129	37
Sertraline Hcl	Sertraline Hcl	129	37
Furosemide	Furosemide	128	45
Pravastatin Sodium	Pravastatin Sodium	126	35
Metoprolol Tartrate	Metoprolol Tartrate	124	38
Atenolol	Atenolol	102	30
Ozempic	Semaglutide	102	21
Meloxicam	Meloxicam	100	44
Tamsulosin Hcl	Tamsulosin Hcl	99	31
Citalopram Hbr	Citalopram Hydrobromide	97	30
Lorazepam	Lorazepam	93	28
Glimepiride	Glimepiride	92	24
Finasteride	Finasteride	90	26
Albuterol Sulfate Hfa	Albuterol Sulfate	85	36
Synthroid	Levothyroxine Sodium	83	21
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	76	32
Alendronate Sodium	Alendronate Sodium	72	19
Allopurinol	Allopurinol	71	20
Carvedilol	Carvedilol	69	20
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	69	17
Montelukast Sodium	Montelukast Sodium	62	14
Tramadol Hcl	Tramadol Hcl	61	14
Zolpidem Tartrate	Zolpidem Tartrate	60	17
Clopidogrel	Clopidogrel Bisulfate	57	17
Duloxetine Hcl	Duloxetine Hcl	56	16
Potassium Chloride	Potassium Chloride	56	21
Clonazepam	Clonazepam	55	13
Oxybutynin Chloride Er	Oxybutynin Chloride	55	18
Ondansetron Hcl	Ondansetron Hcl	53	19
Oxycodone Hcl	Oxycodone Hcl	52	19
Glipizide Er	Glipizide	49	12
Spironolactone	Spironolactone	49	14
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	45	12
Bupropion Xl	Bupropion Hcl	44	14
Propranolol Hcl	Propranolol Hcl	44	suppressed
Xarelto	Rivaroxaban	44	14
Donepezil Hcl	Donepezil Hcl	43	16
Hydralazine Hcl	Hydralazine Hcl	43	11
Amoxicillin	Amoxicillin	38	32
Buspirone Hcl	Buspirone Hcl	38	suppressed
Methylprednisolone	Methylprednisolone	38	35
Warfarin Sodium	Warfarin Sodium	38	suppressed
Alprazolam	Alprazolam	36	12
Celecoxib	Celecoxib	35	13
Ibu	Ibuprofen	35	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	35	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	35	suppressed
Trulicity	Dulaglutide	35	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	34	11
Ezetimibe	Ezetimibe	34	suppressed
Ibuprofen	Ibuprofen	34	16
Valacyclovir	Valacyclovir Hcl	33	13
Verapamil Er	Verapamil Hcl	33	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	32	11
Ventolin Hfa	Albuterol Sulfate	32	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	31	12
Fluoxetine Hcl	Fluoxetine Hcl	30	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	30	suppressed
Valsartan	Valsartan	30	12
Venlafaxine Hcl Er	Venlafaxine Hcl	30	suppressed
Baclofen	Baclofen	29	suppressed
Prednisone	Prednisone	29	19
Diclofenac Sodium	Diclofenac Sodium	28	suppressed
Entresto	Sacubitril/Valsartan	27	suppressed
Irbesartan	Irbesartan	26	suppressed
Mirtazapine	Mirtazapine	26	suppressed
Myrbetriq	Mirabegron	26	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	25	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	23	suppressed
Cephalexin	Cephalexin	23	21
Enalapril Maleate	Enalapril Maleate	23	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	22	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	22	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	21	19
Azithromycin	Azithromycin	21	20
Hydrocortisone	Hydrocortisone	21	suppressed
Januvia	Sitagliptin Phosphate	21	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	21	17
Ibandronate Sodium	Ibandronate Sodium	20	suppressed
Topiramate	Topiramate	20	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	19	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	19	suppressed
Bupropion Hcl Sr	Bupropion Hcl	19	suppressed
Tizanidine Hcl	Tizanidine Hcl	19	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	18	suppressed
Nifedipine Er	Nifedipine	18	suppressed
Terazosin Hcl	Terazosin Hcl	18	suppressed
Terbinafine Hcl	Terbinafine Hcl	18	suppressed
Chlorthalidone	Chlorthalidone	17	suppressed
Creon	Lipase/Protease/Amylase	17	suppressed
Incruse Ellipta	Umeclidinium Bromide	17	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	17	suppressed
Repaglinide	Repaglinide	17	suppressed
Solifenacin Succinate	Solifenacin Succinate	17	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	17	13
Colchicine	Colchicine	16	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	16	suppressed
Levetiracetam	Levetiracetam	16	suppressed
Methenamine Hippurate	Methenamine Hippurate	16	suppressed
Propranolol Hcl Er	Propranolol Hcl	16	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	15	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	15	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	15	15
Pregabalin	Pregabalin	15	suppressed
Primidone	Primidone	15	suppressed
Spiriva Respimat	Tiotropium Bromide	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	13
Aripiprazole	Aripiprazole	14	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	14	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	14	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	14	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	14	11
Ketoconazole	Ketoconazole	14	suppressed
Lovastatin	Lovastatin	14	suppressed
Methocarbamol	Methocarbamol	14	suppressed
Metronidazole	Metronidazole	14	11
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Clonidine Hcl	Clonidine Hcl	13	suppressed
Gemfibrozil	Gemfibrozil	13	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	13	suppressed
Tradjenta	Linagliptin	13	suppressed
Varenicline Tartrate	Varenicline Tartrate	13	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	12	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	12	suppressed
Meclizine Hcl	Meclizine Hcl	12	11
Methadone Hcl	Methadone Hcl	12	suppressed
Raloxifene Hcl	Raloxifene Hcl	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	suppressed
Felodipine Er	Felodipine	11	suppressed
Ropinirole Hcl	Ropinirole Hcl	11	suppressed
Sotalol	Sotalol Hcl	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