Healthcare provider profile · identity verified

Michael Anthony Bigham, FNP

Nurse Practitioner · MYRTLE CREEK, OR · NPI 1174155980

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	413	107
Omeprazole	Omeprazole	348	73
Losartan Potassium	Losartan Potassium	346	89
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	306	48
Lisinopril	Lisinopril	298	76
Amlodipine Besylate	Amlodipine Besylate	295	62
Gabapentin	Gabapentin	277	52
Levothyroxine Sodium	Levothyroxine Sodium	276	66
Albuterol Sulfate Hfa	Albuterol Sulfate	254	78
Tamsulosin Hcl	Tamsulosin Hcl	182	39
Potassium Chloride	Potassium Chloride	152	39
Trazodone Hcl	Trazodone Hcl	150	34
Metoprolol Succinate	Metoprolol Succinate	147	49
Metformin Hcl Er	Metformin Hcl	143	36
Furosemide	Furosemide	138	34
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	129	26
Famotidine	Famotidine	128	31
Tramadol Hcl	Tramadol Hcl	125	22
Venlafaxine Hcl Er	Venlafaxine Hcl	125	19
Ezetimibe	Ezetimibe	117	28
Meloxicam	Meloxicam	111	33
Fluticasone Propionate	Fluticasone Propionate	106	33
Hydrochlorothiazide	Hydrochlorothiazide	103	25
Oxycodone Hcl	Oxycodone Hcl	103	13
Duloxetine Hcl	Duloxetine Hcl	92	16
Jardiance	Empagliflozin	88	18
Tizanidine Hcl	Tizanidine Hcl	86	18
Buspirone Hcl	Buspirone Hcl	80	17
Glipizide Er	Glipizide	73	24
Metformin Hcl	Metformin Hcl	71	24
Pantoprazole Sodium	Pantoprazole Sodium	71	14
Montelukast Sodium	Montelukast Sodium	69	16
Hydroxyzine Hcl	Hydroxyzine Hcl	68	11
Metoprolol Tartrate	Metoprolol Tartrate	67	15
Prednisone	Prednisone	63	33
Alprazolam	Alprazolam	62	suppressed
Clonazepam	Clonazepam	62	suppressed
Pregabalin	Pregabalin	61	15
Quetiapine Fumarate	Quetiapine Fumarate	60	11
Eliquis	Apixaban	59	19
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	58	13
Xarelto	Rivaroxaban	56	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	54	13
Methocarbamol	Methocarbamol	53	suppressed
Lorazepam	Lorazepam	51	13
Lamotrigine	Lamotrigine	50	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	48	suppressed
Ventolin Hfa	Albuterol Sulfate	48	11
Amitriptyline Hcl	Amitriptyline Hcl	47	suppressed
Fenofibrate	Fenofibrate,micronized	45	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	44	suppressed
Alendronate Sodium	Alendronate Sodium	43	suppressed
Clonidine Hcl	Clonidine Hcl	43	11
Loperamide	Loperamide Hcl	43	suppressed
Allopurinol	Allopurinol	41	14
Clopidogrel	Clopidogrel Bisulfate	41	11
Carvedilol	Carvedilol	40	suppressed
Diazepam	Diazepam	40	suppressed
Simvastatin	Simvastatin	40	12
Pioglitazone Hcl	Pioglitazone Hcl	39	11
Pravastatin Sodium	Pravastatin Sodium	39	suppressed
Sertraline Hcl	Sertraline Hcl	39	suppressed
Atenolol	Atenolol	38	suppressed
Bumetanide	Bumetanide	38	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	38	suppressed
Topiramate	Topiramate	37	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	36	suppressed
Citalopram Hbr	Citalopram Hydrobromide	35	suppressed
Olanzapine	Olanzapine	35	suppressed
Spironolactone	Spironolactone	35	suppressed
Finasteride	Finasteride	34	suppressed
Ibuprofen	Ibuprofen	33	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	31	suppressed
Paroxetine Hcl	Paroxetine Hcl	31	suppressed
Bupropion Xl	Bupropion Hcl	29	suppressed
Estradiol	Estradiol	29	suppressed
Methylprednisolone	Methylprednisolone	29	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	29	suppressed
Warfarin Sodium	Warfarin Sodium	28	suppressed
Chlorthalidone	Chlorthalidone	27	suppressed
Nystatin	Nystatin	27	12
Ondansetron Odt	Ondansetron	27	13
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	26	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	25	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	25	21
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	25	suppressed
Glipizide	Glipizide	24	suppressed
Levetiracetam	Levetiracetam	24	suppressed
Naproxen	Naproxen	24	suppressed
Ropinirole Hcl	Ropinirole Hcl	24	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	23	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	23	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	22	suppressed
Insulin Aspart Flexpen	Insulin Aspart	22	suppressed
Lovastatin	Lovastatin	22	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	22	16
Triamcinolone Acetonide	Triamcinolone Acetonide	22	12
Trulicity	Dulaglutide	22	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	20	11
Bupropion Hcl Sr	Bupropion Hcl	19	suppressed
Fluconazole	Fluconazole	19	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	19	suppressed
Nitroglycerin	Nitroglycerin	19	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	18	suppressed
Propranolol Hcl	Propranolol Hcl	18	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	17	15
Atrovent Hfa	Ipratropium Bromide	17	suppressed
Spiriva Respimat	Tiotropium Bromide	17	suppressed
Breyna	Budesonide/Formoterol Fumarate	16	suppressed
Hydrocortisone	Hydrocortisone	16	suppressed
Mirtazapine	Mirtazapine	16	suppressed
Nifedipine Er	Nifedipine	16	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	15	15
Fenofibrate	Fenofibrate Nanocrystallized	15	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	15	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	15	suppressed
Prazosin Hcl	Prazosin Hcl	15	suppressed
Varenicline Tartrate	Varenicline Tartrate	15	suppressed
Donepezil Hcl	Donepezil Hcl	14	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	14	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	14	suppressed
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Pen Needle	Pen Needle, Diabetic	13	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	13	suppressed
Primidone	Primidone	13	suppressed
Testosterone Cypionate	Testosterone Cypionate	13	suppressed
Azithromycin	Azithromycin	12	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	12	suppressed
Januvia	Sitagliptin Phosphate	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

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