Healthcare provider profile · identity verified

Theodore Oswald, MD

Family Practice · BARK RIVER, MI · NPI 1801805528

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	540	151
Atorvastatin Calcium	Atorvastatin Calcium	461	122
Amlodipine Besylate	Amlodipine Besylate	397	105
Omeprazole	Omeprazole	377	102
Metoprolol Succinate	Metoprolol Succinate	325	92
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	303	79
Metformin Hcl	Metformin Hcl	282	71
Levothyroxine Sodium	Levothyroxine Sodium	262	69
Lisinopril	Lisinopril	255	67
Tamsulosin Hcl	Tamsulosin Hcl	234	72
Losartan Potassium	Losartan Potassium	204	55
Albuterol Sulfate Hfa	Albuterol Sulfate	203	72
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	201	52
Gabapentin	Gabapentin	200	41
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	190	47
Pantoprazole Sodium	Pantoprazole Sodium	190	58
Metoprolol Tartrate	Metoprolol Tartrate	187	52
Montelukast Sodium	Montelukast Sodium	179	49
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	177	56
Allopurinol	Allopurinol	175	41
Furosemide	Furosemide	156	48
Escitalopram Oxalate	Escitalopram Oxalate	145	45
Simvastatin	Simvastatin	137	39
Potassium Chloride	Potassium Chloride	128	35
Trazodone Hcl	Trazodone Hcl	122	22
Glimepiride	Glimepiride	121	35
Eliquis	Apixaban	118	35
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	114	18
Venlafaxine Hcl Er	Venlafaxine Hcl	105	33
Alprazolam	Alprazolam	103	21
Sertraline Hcl	Sertraline Hcl	95	25
Tramadol Hcl	Tramadol Hcl	91	22
Hydrochlorothiazide	Hydrochlorothiazide	85	23
Spironolactone	Spironolactone	83	19
Methylprednisolone	Methylprednisolone	78	73
Ozempic	Semaglutide	78	16
Fluticasone Propionate	Fluticasone Propionate	77	29
Prednisone	Prednisone	77	47
Celecoxib	Celecoxib	74	36
Finasteride	Finasteride	74	21
Carvedilol	Carvedilol	72	19
Citalopram Hbr	Citalopram Hydrobromide	72	20
Bumetanide	Bumetanide	66	14
Clopidogrel	Clopidogrel Bisulfate	63	18
Mounjaro	Tirzepatide	63	15
Buspirone Hcl	Buspirone Hcl	57	12
Lorazepam	Lorazepam	55	11
Duloxetine Hcl	Duloxetine Hcl	53	12
Fluoxetine Hcl	Fluoxetine Hcl	53	12
Quetiapine Fumarate	Quetiapine Fumarate	53	12
Jardiance	Empagliflozin	49	16
Diclofenac Sodium	Diclofenac Sodium	48	22
Isosorbide Mononitrate Er	Isosorbide Mononitrate	48	16
Doxycycline Hyclate	Doxycycline Hyclate	47	43
Famotidine	Famotidine	46	11
Pravastatin Sodium	Pravastatin Sodium	46	13
Warfarin Sodium	Warfarin Sodium	46	15
Azithromycin	Azithromycin	45	35
Symbicort	Budesonide/Formoterol Fumarate	45	13
Alendronate Sodium	Alendronate Sodium	44	16
Triamcinolone Acetonide	Triamcinolone Acetonide	42	24
Meloxicam	Meloxicam	39	12
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	37	12
Temazepam	Temazepam	35	suppressed
Xarelto	Rivaroxaban	34	suppressed
Cefdinir	Cefdinir	32	25
Clonazepam	Clonazepam	32	suppressed
Nystatin	Nystatin	32	14
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	31	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	31	11
Doxepin Hcl	Doxepin Hcl	30	14
Mirtazapine	Mirtazapine	29	11
Paxlovid	Nirmatrelvir/Ritonavir	29	29
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	28	suppressed
Pregabalin	Pregabalin	28	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	25
Levofloxacin	Levofloxacin	26	20
Metformin Hcl Er	Metformin Hcl	26	11
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	25	suppressed
Risperidone	Risperidone	25	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	24	suppressed
Trulicity	Dulaglutide	24	suppressed
Paroxetine Hcl	Paroxetine Hcl	23	suppressed
Propranolol Hcl	Propranolol Hcl	23	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	23	suppressed
Donepezil Hcl	Donepezil Hcl	22	suppressed
Diltiazem Hcl	Diltiazem Hcl	21	suppressed
Lovastatin	Lovastatin	21	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	21	18
Ciprofloxacin Hcl	Ciprofloxacin Hcl	20	18
Humalog Kwikpen U-100	Insulin Lispro	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Ketoconazole	Ketoconazole	19	13
Novolin N	Insulin Nph Human Isophane	19	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	18	suppressed
Terbinafine Hcl	Terbinafine Hcl	18	suppressed
Cephalexin	Cephalexin	17	15
Ezetimibe	Ezetimibe	17	suppressed
Lansoprazole	Lansoprazole	17	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Veo Insulin Syringe	Syringe And Needle,insulin,1ml	17	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	16	suppressed
Atenolol	Atenolol	16	suppressed
Bupropion Hcl Sr	Bupropion Hcl	16	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	16	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	16	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	16	suppressed
Levetiracetam	Levetiracetam	16	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	16	suppressed
Cefuroxime	Cefuroxime Axetil	15	suppressed
Humulin R U-500 Kwikpen	Insulin Regular, Human	15	suppressed
Ropinirole Hcl	Ropinirole Hcl	15	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	15	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	14	suppressed
Aripiprazole	Aripiprazole	14	suppressed
Bydureon Bcise	Exenatide Microspheres	14	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	14	suppressed
Diazepam	Diazepam	14	suppressed
Fentanyl	Fentanyl	14	suppressed
Lamotrigine	Lamotrigine	14	suppressed
Novolin N Flexpen	Insulin Nph Human Isophane	14	suppressed
Spiriva Respimat	Tiotropium Bromide	14	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	14	suppressed
Benztropine Mesylate	Benztropine Mesylate	13	suppressed
Dropsafe Prep Pads	Alcohol Antiseptic Pads	13	suppressed
Enalapril Maleate	Enalapril Maleate	13	suppressed
Fluconazole	Fluconazole	13	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Novolog Flexpen	Insulin Aspart	13	suppressed
Phenytoin	Phenytoin	13	suppressed
Rivastigmine	Rivastigmine Tartrate	13	suppressed
Hydroxyurea	Hydroxyurea	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Indomethacin	Indomethacin	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	11
Estradiol	Estradiol	11	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	11	suppressed
Insulin Syringe	Syringe And Needle,insulin,1ml	11	suppressed
Mesalamine Dr	Mesalamine	11	suppressed
Metronidazole	Metronidazole	11	suppressed
Morphine Sulfate Er	Morphine Sulfate	11	suppressed
Ondansetron Hcl	Ondansetron Hcl	11	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	11	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-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