Healthcare provider profile · identity verified

Mark H Masteller, DO

Family Practice · ERIE, PA · NPI 1861470163

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	811	263
Levothyroxine Sodium	Levothyroxine Sodium	409	117
Lisinopril	Lisinopril	365	113
Amlodipine Besylate	Amlodipine Besylate	340	111
Metformin Hcl	Metformin Hcl	312	94
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	234	70
Metoprolol Tartrate	Metoprolol Tartrate	222	69
Rosuvastatin Calcium	Rosuvastatin Calcium	220	68
Pantoprazole Sodium	Pantoprazole Sodium	218	74
Omeprazole	Omeprazole	202	74
Metoprolol Succinate	Metoprolol Succinate	195	72
Tamsulosin Hcl	Tamsulosin Hcl	194	62
Simvastatin	Simvastatin	187	57
Losartan Potassium	Losartan Potassium	180	56
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	179	58
Gabapentin	Gabapentin	168	59
Alendronate Sodium	Alendronate Sodium	157	33
Hydrochlorothiazide	Hydrochlorothiazide	151	48
Metformin Hcl Er	Metformin Hcl	135	42
Eliquis	Apixaban	127	35
Furosemide	Furosemide	121	40
Ozempic	Semaglutide	119	30
Albuterol Sulfate Hfa	Albuterol Sulfate	116	38
Xarelto	Rivaroxaban	104	27
Allopurinol	Allopurinol	102	30
Duloxetine Hcl	Duloxetine Hcl	102	32
Pravastatin Sodium	Pravastatin Sodium	102	31
Atenolol	Atenolol	93	29
Trulicity	Dulaglutide	92	15
Jardiance	Empagliflozin	78	24
Escitalopram Oxalate	Escitalopram Oxalate	77	25
Trazodone Hcl	Trazodone Hcl	73	26
Sertraline Hcl	Sertraline Hcl	71	30
Carvedilol	Carvedilol	70	21
Clopidogrel	Clopidogrel Bisulfate	70	22
Meloxicam	Meloxicam	60	16
Spironolactone	Spironolactone	58	20
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	57	15
Ezetimibe	Ezetimibe	57	17
Potassium Chloride	Potassium Chloride	56	13
Famotidine	Famotidine	55	16
Donepezil Hcl	Donepezil Hcl	51	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	51	11
Buspirone Hcl	Buspirone Hcl	50	17
Citalopram Hbr	Citalopram Hydrobromide	50	15
Fluoxetine Hcl	Fluoxetine Hcl	50	19
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	46	suppressed
Montelukast Sodium	Montelukast Sodium	45	12
Venlafaxine Hcl Er	Venlafaxine Hcl	43	13
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	42	16
Tresiba Flextouch U-200	Insulin Degludec	40	suppressed
Verapamil Er	Verapamil Hcl	38	11
Ropinirole Hcl	Ropinirole Hcl	37	suppressed
Celecoxib	Celecoxib	35	12
Breo Ellipta	Fluticasone/Vilanterol	34	suppressed
Lovastatin	Lovastatin	34	suppressed
Mirtazapine	Mirtazapine	33	11
Topiramate	Topiramate	33	suppressed
Fluticasone Propionate	Fluticasone Propionate	32	15
Propranolol Hcl	Propranolol Hcl	32	suppressed
Entresto	Sacubitril/Valsartan	31	suppressed
Farxiga	Dapagliflozin Propanediol	29	suppressed
Ibuprofen	Ibuprofen	28	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	28	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	27	suppressed
Nifedipine Er	Nifedipine	27	suppressed
Finasteride	Finasteride	26	suppressed
Labetalol Hcl	Labetalol Hcl	26	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	26	suppressed
Bumetanide	Bumetanide	25	12
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	25	suppressed
Lorazepam	Lorazepam	25	13
Dicyclomine Hcl	Dicyclomine Hcl	23	suppressed
Januvia	Sitagliptin Phosphate	23	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	23	12
Carbamazepine	Carbamazepine	22	suppressed
Clonidine Hcl	Clonidine Hcl	22	suppressed
Insulin Aspart Flexpen	Insulin Aspart	22	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	22	suppressed
Warfarin Sodium	Warfarin Sodium	22	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	21	suppressed
Benazepril Hcl	Benazepril Hcl	20	suppressed
Paroxetine Hcl	Paroxetine Hcl	20	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	20	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	19	suppressed
Hydralazine Hcl	Hydralazine Hcl	19	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	19	suppressed
Memantine Hcl	Memantine Hcl	19	suppressed
Tizanidine Hcl	Tizanidine Hcl	19	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	18	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	18	suppressed
Klor-Con M20	Potassium Chloride	18	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	18	suppressed
Prednisone	Prednisone	18	suppressed
Tradjenta	Linagliptin	18	suppressed
Diclofenac Sodium	Diclofenac Sodium	17	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	17	suppressed
Meclizine Hcl	Meclizine Hcl	16	suppressed
Pregabalin	Pregabalin	16	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	15	suppressed
Lamotrigine	Lamotrigine	15	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	15	suppressed
Enalapril Maleate	Enalapril Maleate	14	suppressed
Tresiba Flextouch U-100	Insulin Degludec	14	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	13	suppressed
Linzess	Linaclotide	13	suppressed
Mounjaro	Tirzepatide	13	suppressed
Telmisartan	Telmisartan	13	suppressed
Valacyclovir	Valacyclovir Hcl	13	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	13	suppressed
Ventolin Hfa	Albuterol Sulfate	13	suppressed
Verapamil Sr	Verapamil Hcl	13	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Clobetasol Propionate	Clobetasol Propionate	12	suppressed
Mometasone Furoate	Mometasone Furoate	12	suppressed
Tramadol Hcl	Tramadol Hcl	12	suppressed
Bupropion Xl	Bupropion Hcl	11	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	11	suppressed
Digoxin	Digoxin	11	suppressed
Gemfibrozil	Gemfibrozil	11	suppressed
Irbesartan	Irbesartan	11	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	11	suppressed
Levetiracetam	Levetiracetam	11	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	11	suppressed
Synthroid	Levothyroxine Sodium	11	suppressed
Terbinafine Hcl	Terbinafine 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