Healthcare provider profile · identity verified

Tammy L Meyerhofer, MD

Family Practice · ST CLOUD, MN · NPI 1659362507

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	440	114
Levothyroxine Sodium	Levothyroxine Sodium	341	72
Lisinopril	Lisinopril	315	76
Losartan Potassium	Losartan Potassium	253	70
Omeprazole	Omeprazole	248	73
Simvastatin	Simvastatin	237	55
Hydrochlorothiazide	Hydrochlorothiazide	232	56
Rosuvastatin Calcium	Rosuvastatin Calcium	166	48
Gabapentin	Gabapentin	160	46
Amlodipine Besylate	Amlodipine Besylate	152	44
Tramadol Hcl	Tramadol Hcl	116	16
Metformin Hcl	Metformin Hcl	101	27
Metoprolol Succinate	Metoprolol Succinate	100	30
Potassium Chloride	Potassium Chloride	96	25
Trazodone Hcl	Trazodone Hcl	96	29
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	95	25
Alendronate Sodium	Alendronate Sodium	93	26
Lorazepam	Lorazepam	91	18
Metoprolol Tartrate	Metoprolol Tartrate	90	24
Sertraline Hcl	Sertraline Hcl	88	23
Citalopram Hbr	Citalopram Hydrobromide	84	24
Pantoprazole Sodium	Pantoprazole Sodium	83	23
Furosemide	Furosemide	81	25
Atenolol	Atenolol	80	19
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	78	13
Metformin Hcl Er	Metformin Hcl	78	24
Warfarin Sodium	Warfarin Sodium	77	20
Venlafaxine Hcl Er	Venlafaxine Hcl	72	19
Alprazolam	Alprazolam	69	21
Buspirone Hcl	Buspirone Hcl	69	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	65	17
Eliquis	Apixaban	63	17
Zolpidem Tartrate	Zolpidem Tartrate	63	suppressed
Duloxetine Hcl	Duloxetine Hcl	62	17
Albuterol Sulfate Hfa	Albuterol Sulfate	61	19
Escitalopram Oxalate	Escitalopram Oxalate	60	17
Bupropion Xl	Bupropion Hcl	59	16
Tamsulosin Hcl	Tamsulosin Hcl	50	13
Mirtazapine	Mirtazapine	49	14
Pravastatin Sodium	Pravastatin Sodium	42	11
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	37	suppressed
Glimepiride	Glimepiride	36	suppressed
Fluticasone Propionate	Fluticasone Propionate	35	13
Ozempic	Semaglutide	35	suppressed
Jantoven	Warfarin Sodium	34	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	34	21
Esomeprazole Magnesium	Esomeprazole Magnesium	32	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	32	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	30	suppressed
Chlorthalidone	Chlorthalidone	29	suppressed
Donepezil Hcl	Donepezil Hcl	29	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	29	suppressed
Montelukast Sodium	Montelukast Sodium	29	suppressed
Trulicity	Dulaglutide	28	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	27	suppressed
Xarelto	Rivaroxaban	27	suppressed
Ventolin Hfa	Albuterol Sulfate	26	suppressed
Loperamide	Loperamide Hcl	25	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	25	suppressed
Fentanyl	Fentanyl	24	suppressed
Pregabalin	Pregabalin	24	suppressed
Fenofibrate	Fenofibrate	23	suppressed
Meclizine Hcl	Meclizine Hcl	23	suppressed
Oxycodone Hcl	Oxycodone Hcl	23	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	23	suppressed
Famotidine	Famotidine	22	suppressed
Ropinirole Hcl	Ropinirole Hcl	22	suppressed
Lansoprazole	Lansoprazole	20	suppressed
Meloxicam	Meloxicam	20	suppressed
Sucralfate	Sucralfate	19	suppressed
Irbesartan	Irbesartan	18	suppressed
Baclofen	Baclofen	17	suppressed
Carbamazepine Er	Carbamazepine	17	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	17	suppressed
Finasteride	Finasteride	17	suppressed
Glipizide	Glipizide	17	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	17	suppressed
Synthroid	Levothyroxine Sodium	17	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	16	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	16	suppressed
Ezetimibe	Ezetimibe	16	suppressed
Lovastatin	Lovastatin	16	suppressed
Memantine Hcl	Memantine Hcl	15	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	15	suppressed
Valacyclovir	Valacyclovir Hcl	15	suppressed
Varenicline Tartrate	Varenicline Tartrate	15	suppressed
Allopurinol	Allopurinol	14	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	14	suppressed
Naproxen	Naproxen	14	suppressed
Nystatin	Nystatin	14	suppressed
Prednisone	Prednisone	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Qvar Redihaler	Beclomethasone Dipropionate	14	suppressed
Spironolactone	Spironolactone	14	suppressed
Ultiguard Safepack-Pen Needle	Pen Needle, Diabetic,disp Unit	14	suppressed
Amoxicillin	Amoxicillin	13	suppressed
Clonazepam	Clonazepam	13	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	13	suppressed
Midodrine Hcl	Midodrine Hcl	13	suppressed
Morphine Sulfate Er	Morphine Sulfate	13	suppressed
Ondansetron Odt	Ondansetron	13	suppressed
Torsemide	Torsemide	13	suppressed
Breo Ellipta	Fluticasone/Vilanterol	12	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	12	suppressed
Diazepam	Diazepam	12	suppressed
Januvia	Sitagliptin Phosphate	12	suppressed
Neupro	Rotigotine	12	suppressed
Ondansetron Hcl	Ondansetron Hcl	12	suppressed
Paroxetine Hcl	Paroxetine Hcl	12	suppressed
Propranolol Hcl Er	Propranolol Hcl	12	suppressed
Tizanidine Hcl	Tizanidine Hcl	12	suppressed
Verapamil Sr	Verapamil Hcl	12	suppressed
Aripiprazole	Aripiprazole	11	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	11	suppressed
Gemfibrozil	Gemfibrozil	11	suppressed
Humalog Kwikpen U-200	Insulin Lispro	11	suppressed
Nyamyc	Nystatin	11	suppressed
Primidone	Primidone	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