Healthcare provider profile · identity verified

Joseph Henry Hamm, MD

Family Practice · ST JAMES, MN · NPI 1568419638

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	474	140
Lisinopril	Lisinopril	418	127
Levothyroxine Sodium	Levothyroxine Sodium	247	69
Metoprolol Succinate	Metoprolol Succinate	232	72
Amlodipine Besylate	Amlodipine Besylate	218	64
Metformin Hcl	Metformin Hcl	207	60
Losartan Potassium	Losartan Potassium	203	65
Omeprazole	Omeprazole	186	56
Eliquis	Apixaban	168	30
Furosemide	Furosemide	164	59
Tamsulosin Hcl	Tamsulosin Hcl	163	44
Gabapentin	Gabapentin	162	38
Oxycodone Hcl	Oxycodone Hcl	137	31
Warfarin Sodium	Warfarin Sodium	121	36
Pantoprazole Sodium	Pantoprazole Sodium	119	35
Metoprolol Tartrate	Metoprolol Tartrate	116	32
Torsemide	Torsemide	115	23
Tramadol Hcl	Tramadol Hcl	114	18
Hydrochlorothiazide	Hydrochlorothiazide	104	37
Rosuvastatin Calcium	Rosuvastatin Calcium	93	31
Carvedilol	Carvedilol	82	23
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	82	17
Morphine Sulfate Er	Morphine Sulfate	80	suppressed
Jardiance	Empagliflozin	77	16
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	76	19
Allopurinol	Allopurinol	73	22
Potassium Chloride	Potassium Chloride	71	20
Trulicity	Dulaglutide	65	12
Fluticasone Propionate	Fluticasone Propionate	63	17
Simvastatin	Simvastatin	61	20
Finasteride	Finasteride	60	18
Glipizide	Glipizide	60	18
Albuterol Sulfate Hfa	Albuterol Sulfate	55	22
Citalopram Hbr	Citalopram Hydrobromide	55	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	55	11
Metformin Hcl Er	Metformin Hcl	55	20
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	54	15
Prednisone	Prednisone	52	32
Morphine Sulfate	Morphine Sulfate	51	suppressed
Pravastatin Sodium	Pravastatin Sodium	51	13
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	50	suppressed
Glipizide Er	Glipizide	48	suppressed
Methocarbamol	Methocarbamol	46	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	45	13
Sertraline Hcl	Sertraline Hcl	45	15
Clopidogrel	Clopidogrel Bisulfate	43	11
Xarelto	Rivaroxaban	43	suppressed
Lorazepam	Lorazepam	42	suppressed
Spironolactone	Spironolactone	41	12
Amoxicillin	Amoxicillin	38	22
Isosorbide Mononitrate Er	Isosorbide Mononitrate	38	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	37	12
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	37	suppressed
Famotidine	Famotidine	36	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	35	suppressed
Celecoxib	Celecoxib	34	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	34	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	34	suppressed
Azithromycin	Azithromycin	30	23
Ventolin Hfa	Albuterol Sulfate	30	12
Spiriva Handihaler	Tiotropium Bromide	28	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	28	19
Duloxetine Hcl	Duloxetine Hcl	27	suppressed
Levetiracetam	Levetiracetam	27	suppressed
Novolog Flexpen	Insulin Aspart	26	suppressed
Pregabalin	Pregabalin	26	suppressed
Cefadroxil	Cefadroxil	25	18
Atenolol	Atenolol	24	suppressed
Baclofen	Baclofen	24	suppressed
Mirtazapine	Mirtazapine	24	suppressed
Trazodone Hcl	Trazodone Hcl	24	suppressed
Ondansetron Hcl	Ondansetron Hcl	23	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	20	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	20	suppressed
Bupropion Xl	Bupropion Hcl	19	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	19	suppressed
Humalog Kwikpen U-100	Insulin Lispro	19	suppressed
Meloxicam	Meloxicam	19	suppressed
Buspirone Hcl	Buspirone Hcl	18	suppressed
Clonazepam	Clonazepam	18	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	18	suppressed
Meclizine Hcl	Meclizine Hcl	18	suppressed
Breo Ellipta	Fluticasone/Vilanterol	17	suppressed
Bupropion Hcl Sr	Bupropion Hcl	17	suppressed
Hydrocortisone	Hydrocortisone	17	suppressed
Ozempic	Semaglutide	17	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	16	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	16	15
Carbidopa-Levodopa	Carbidopa/Levodopa	16	suppressed
Januvia	Sitagliptin Phosphate	16	suppressed
Memantine Hcl	Memantine Hcl	16	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	15	suppressed
Azelastine Hcl	Azelastine Hcl	14	suppressed
Jantoven	Warfarin Sodium	14	suppressed
Latanoprost	Latanoprost	14	suppressed
Novolog Mix 70-30 Flexpen	Insulin Aspart Prot/Insuln Asp	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Alendronate Sodium	Alendronate Sodium	13	suppressed
Diazepam	Diazepam	13	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	13	suppressed
Mometasone Furoate	Mometasone Furoate	13	suppressed
Rybelsus	Semaglutide	13	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	13	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	12	suppressed
Incruse Ellipta	Umeclidinium Bromide	12	suppressed
Nitroglycerin	Nitroglycerin	12	11
Novolin 70-30 Flexpen	Insulin Nph Hum/Reg Insulin Hm	12	suppressed
Ondansetron Odt	Ondansetron	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	11	suppressed
Buprenorphine Hcl	Buprenorphine Hcl	11	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Diclofenac Sodium	Diclofenac Sodium	11	suppressed
Felodipine Er	Felodipine	11	suppressed
Humalog Mix 75-25	Insulin Lispro Protamin/Lispro	11	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	11	suppressed
Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	11	suppressed
Methadone Hcl	Methadone Hcl	11	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	11	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	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