Healthcare provider profile · identity verified

James P Spencer, MD

Family Practice · WAUPACA, WI · NPI 1457619348

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	613	171
Losartan Potassium	Losartan Potassium	440	104
Metoprolol Succinate	Metoprolol Succinate	371	94
Tamsulosin Hcl	Tamsulosin Hcl	341	91
Amlodipine Besylate	Amlodipine Besylate	339	81
Lisinopril	Lisinopril	334	90
Rosuvastatin Calcium	Rosuvastatin Calcium	294	78
Pantoprazole Sodium	Pantoprazole Sodium	281	64
Levothyroxine Sodium	Levothyroxine Sodium	270	65
Eliquis	Apixaban	264	59
Simvastatin	Simvastatin	251	66
Furosemide	Furosemide	230	62
Metoprolol Tartrate	Metoprolol Tartrate	225	55
Gabapentin	Gabapentin	219	54
Metformin Hcl Er	Metformin Hcl	213	53
Omeprazole	Omeprazole	203	53
Finasteride	Finasteride	199	41
Trazodone Hcl	Trazodone Hcl	175	50
Hydrochlorothiazide	Hydrochlorothiazide	151	41
Potassium Chloride	Potassium Chloride	147	27
Jardiance	Empagliflozin	143	33
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	142	28
Albuterol Sulfate Hfa	Albuterol Sulfate	137	62
Sertraline Hcl	Sertraline Hcl	120	34
Fluticasone Propionate	Fluticasone Propionate	115	29
Allopurinol	Allopurinol	110	29
Metformin Hcl	Metformin Hcl	110	32
Duloxetine Hcl	Duloxetine Hcl	109	22
Bupropion Xl	Bupropion Hcl	107	21
Baclofen	Baclofen	99	13
Clopidogrel	Clopidogrel Bisulfate	95	25
Carvedilol	Carvedilol	92	27
Warfarin Sodium	Warfarin Sodium	76	17
Spironolactone	Spironolactone	75	20
Prednisone	Prednisone	72	41
Atenolol	Atenolol	69	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	67	17
Pravastatin Sodium	Pravastatin Sodium	64	19
Citalopram Hbr	Citalopram Hydrobromide	63	suppressed
Diclofenac Sodium	Diclofenac Sodium	62	24
Valsartan	Valsartan	61	18
Hydralazine Hcl	Hydralazine Hcl	60	suppressed
Montelukast Sodium	Montelukast Sodium	59	18
Famotidine	Famotidine	58	15
Hydroxyzine Hcl	Hydroxyzine Hcl	57	11
Fluoxetine Hcl	Fluoxetine Hcl	56	16
Ozempic	Semaglutide	53	14
Escitalopram Oxalate	Escitalopram Oxalate	51	12
Mirtazapine	Mirtazapine	50	13
Fentanyl	Fentanyl	48	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	48	11
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	47	11
Cephalexin	Cephalexin	46	22
Clonazepam	Clonazepam	46	suppressed
Ipratropium Bromide	Ipratropium Bromide	45	14
Meloxicam	Meloxicam	45	19
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	44	13
Triamcinolone Acetonide	Triamcinolone Acetonide	44	27
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	43	11
Tizanidine Hcl	Tizanidine Hcl	43	13
Lovastatin	Lovastatin	42	13
Tramadol Hcl	Tramadol Hcl	42	suppressed
Xarelto	Rivaroxaban	42	11
Diltiazem 24hr Er	Diltiazem Hcl	41	suppressed
Alendronate Sodium	Alendronate Sodium	40	11
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	40	suppressed
Ropinirole Hcl	Ropinirole Hcl	39	suppressed
Clonidine Hcl	Clonidine Hcl	37	suppressed
Estradiol	Estradiol	35	suppressed
Alprazolam	Alprazolam	34	suppressed
Oxycodone Hcl	Oxycodone Hcl	33	12
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	32	12
Divalproex Sodium Er	Divalproex Sodium	32	suppressed
Farxiga	Dapagliflozin Propanediol	32	suppressed
Novolog Flexpen	Insulin Aspart	32	suppressed
Breo Ellipta	Fluticasone/Vilanterol	31	suppressed
Januvia	Sitagliptin Phosphate	31	suppressed
Naproxen	Naproxen	31	suppressed
Terazosin Hcl	Terazosin Hcl	31	suppressed
Trulicity	Dulaglutide	31	suppressed
Enalapril Maleate	Enalapril Maleate	30	11
Gemfibrozil	Gemfibrozil	30	suppressed
Jantoven	Warfarin Sodium	30	suppressed
Levetiracetam	Levetiracetam	30	suppressed
Lorazepam	Lorazepam	30	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	30	suppressed
Pregabalin	Pregabalin	30	suppressed
Primidone	Primidone	30	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	29	13
Glipizide Er	Glipizide	29	suppressed
Myrbetriq	Mirabegron	29	suppressed
Bumetanide	Bumetanide	28	suppressed
Chlorthalidone	Chlorthalidone	28	suppressed
Nifedipine Er	Nifedipine	28	suppressed
Benztropine Mesylate	Benztropine Mesylate	27	suppressed
Memantine Hcl	Memantine Hcl	27	suppressed
Testosterone Cypionate	Testosterone Cypionate	27	suppressed
Celecoxib	Celecoxib	26	suppressed
Digoxin	Digoxin	26	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	26	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	25	suppressed
Lidocaine	Lidocaine	25	suppressed
Meclizine Hcl	Meclizine Hcl	25	suppressed
Midodrine Hcl	Midodrine Hcl	25	suppressed
Tiadylt Er	Diltiazem Hcl	25	suppressed
Aripiprazole	Aripiprazole	24	suppressed
Risperidone	Risperidone	24	suppressed
Gavilyte-C	Peg3350/Sod Sulf,bicarb,cl/Kcl	23	22
Ondansetron Odt	Ondansetron	23	11
Topiramate	Topiramate	23	suppressed
Buspirone Hcl	Buspirone Hcl	22	suppressed
Donepezil Hcl	Donepezil Hcl	22	suppressed
Dulera	Mometasone/Formoterol	22	suppressed
Ibuprofen	Ibuprofen	22	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	22	suppressed
Entresto	Sacubitril/Valsartan	21	suppressed
Methenamine Hippurate	Methenamine Hippurate	21	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	20	17
Quetiapine Fumarate	Quetiapine Fumarate	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Valacyclovir	Valacyclovir Hcl	20	11
Zolpidem Tartrate	Zolpidem Tartrate	20	suppressed
Clindamycin Phosphate	Clindamycin Phosphate	19	suppressed
Methocarbamol	Methocarbamol	19	suppressed
Mounjaro	Tirzepatide	19	suppressed
Spiriva Respimat	Tiotropium Bromide	19	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	18	suppressed
Ondansetron Hcl	Ondansetron Hcl	18	suppressed
Vyvanse	Lisdexamfetamine Dimesylate	18	suppressed
Amoxicillin	Amoxicillin	17	15
Arnuity Ellipta	Fluticasone Furoate	17	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	17	suppressed
Ezetimibe	Ezetimibe	17	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	suppressed
Ketoconazole	Ketoconazole	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Ventolin Hfa	Albuterol Sulfate	17	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	16	12
Diazepam	Diazepam	16	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	16	suppressed
Lansoprazole	Lansoprazole	16	suppressed
Methimazole	Methimazole	16	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	16	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	16	suppressed
Acyclovir	Acyclovir	15	suppressed
Fenofibrate	Fenofibrate,micronized	15	suppressed
Morphine Sulfate Er	Morphine Sulfate	15	suppressed
Nitroglycerin	Nitroglycerin	15	12
Prochlorperazine Maleate	Prochlorperazine Maleate	15	suppressed
Amantadine	Amantadine Hcl	14	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	14	suppressed
Carbamazepine	Carbamazepine	14	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	14	13
Clonidine	Clonidine	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Azithromycin	Azithromycin	13	13
Brimonidine Tartrate	Brimonidine Tartrate	13	suppressed
Irbesartan	Irbesartan	13	suppressed
Latanoprost	Latanoprost	13	suppressed
Trospium Chloride	Trospium Chloride	13	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	12	suppressed
Colchicine	Colchicine	12	suppressed
Creon	Lipase/Protease/Amylase	12	suppressed
Desmopressin Acetate	Desmopressin Acetate	12	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Fesoterodine Fumarate Er	Fesoterodine Fumarate	12	suppressed
Haloperidol	Haloperidol	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Metolazone	Metolazone	12	suppressed
Olanzapine	Olanzapine	12	suppressed
Restasis	Cyclosporine	12	suppressed
Spiriva Handihaler	Tiotropium Bromide	12	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	12	suppressed
Tresiba Flextouch U-200	Insulin Degludec	12	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	11	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Linzess	Linaclotide	11	suppressed
Lubiprostone	Lubiprostone	11	suppressed
Methotrexate	Methotrexate Sodium	11	suppressed
Olanzapine Odt	Olanzapine	11	suppressed
Symbicort	Budesonide/Formoterol Fumarate	11	suppressed
Tresiba Flextouch U-100	Insulin Degludec	11	suppressed
Ultiguard Safepack-Pen Needle	Pen Needle, Diabetic,disp Unit	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