Healthcare provider profile · identity verified

Michael Allison, D.O.

Family Practice · ANN ARBOR, MI · NPI 1770790982

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
Levothyroxine Sodium	Levothyroxine Sodium	498	64
Atorvastatin Calcium	Atorvastatin Calcium	406	68
Omeprazole	Omeprazole	319	50
Lisinopril	Lisinopril	315	53
Furosemide	Furosemide	259	44
Pantoprazole Sodium	Pantoprazole Sodium	241	38
Amlodipine Besylate	Amlodipine Besylate	228	38
Metoprolol Succinate	Metoprolol Succinate	222	29
Tamsulosin Hcl	Tamsulosin Hcl	218	32
Metformin Hcl	Metformin Hcl	203	30
Donepezil Hcl	Donepezil Hcl	193	33
Simvastatin	Simvastatin	187	26
Quetiapine Fumarate	Quetiapine Fumarate	184	31
Losartan Potassium	Losartan Potassium	161	28
Famotidine	Famotidine	144	25
Eliquis	Apixaban	123	29
Ibuprofen	Ibuprofen	118	27
Metoprolol Tartrate	Metoprolol Tartrate	115	21
Gabapentin	Gabapentin	106	21
Oxybutynin Chloride Er	Oxybutynin Chloride	106	11
Lactulose	Lactulose	104	15
Carvedilol	Carvedilol	103	18
Potassium Chloride	Potassium Chloride	95	16
Memantine Hcl	Memantine Hcl	94	16
Sertraline Hcl	Sertraline Hcl	93	18
Hydrochlorothiazide	Hydrochlorothiazide	89	16
Levetiracetam	Levetiracetam	88	11
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	84	19
Pravastatin Sodium	Pravastatin Sodium	81	11
Buspirone Hcl	Buspirone Hcl	80	23
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	77	54
Fluticasone Propionate	Fluticasone Propionate	75	21
Xarelto	Rivaroxaban	72	12
Albuterol Sulfate Hfa	Albuterol Sulfate	68	29
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	67	13
Clopidogrel	Clopidogrel Bisulfate	65	15
Trazodone Hcl	Trazodone Hcl	65	16
Latanoprost	Latanoprost	61	suppressed
Tramadol Hcl	Tramadol Hcl	61	14
Ropinirole Hcl	Ropinirole Hcl	59	suppressed
Loperamide	Loperamide Hcl	56	20
Spironolactone	Spironolactone	55	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	52	suppressed
Hydralazine Hcl	Hydralazine Hcl	50	12
Mirtazapine	Mirtazapine	48	suppressed
Bumetanide	Bumetanide	45	suppressed
Midodrine Hcl	Midodrine Hcl	41	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	41	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	39	12
Citalopram Hbr	Citalopram Hydrobromide	39	11
Incruse Ellipta	Umeclidinium Bromide	39	suppressed
Atenolol	Atenolol	38	suppressed
Atropine Sulfate	Atropine Sulfate	38	suppressed
Clonazepam	Clonazepam	37	suppressed
Oxycodone Hcl	Oxycodone Hcl	37	suppressed
Propranolol Hcl	Propranolol Hcl	36	suppressed
Lorazepam	Lorazepam	35	12
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	34	suppressed
Finasteride	Finasteride	34	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	34	suppressed
Baclofen	Baclofen	32	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	32	suppressed
Novofine Autocover	Pen Needle, Diabetic, Safety	32	11
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	31	suppressed
Naproxen	Naproxen	31	suppressed
Nifedipine Er	Nifedipine	31	suppressed
Ventolin Hfa	Albuterol Sulfate	31	suppressed
Metformin Hcl Er	Metformin Hcl	30	suppressed
Montelukast Sodium	Montelukast Sodium	30	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	29	suppressed
Divalproex Sodium Er	Divalproex Sodium	29	suppressed
Fenofibrate	Fenofibrate	29	suppressed
Meloxicam	Meloxicam	29	suppressed
Paroxetine Hcl	Paroxetine Hcl	29	suppressed
Clonidine Hcl	Clonidine Hcl	28	suppressed
Prednisone	Prednisone	28	suppressed
Breo Ellipta	Fluticasone/Vilanterol	27	suppressed
Torsemide	Torsemide	27	suppressed
Alendronate Sodium	Alendronate Sodium	26	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	26	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	26	suppressed
Lumigan	Bimatoprost	26	suppressed
Myrbetriq	Mirabegron	26	suppressed
Glipizide	Glipizide	25	suppressed
Olanzapine	Olanzapine	25	suppressed
Cephalexin	Cephalexin	24	14
Duloxetine Hcl	Duloxetine Hcl	24	suppressed
Jardiance	Empagliflozin	24	suppressed
Pregabalin	Pregabalin	23	suppressed
Trulicity	Dulaglutide	23	suppressed
Cholestyramine	Cholestyramine (With Sugar)	22	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	22	18
Ondansetron Odt	Ondansetron	22	suppressed
Azithromycin	Azithromycin	21	19
Fluoxetine Hcl	Fluoxetine Hcl	21	suppressed
Memantine Hcl Er	Memantine Hcl	21	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	21	suppressed
Nystatin	Nystatin	21	11
Alprazolam	Alprazolam	20	suppressed
Benztropine Mesylate	Benztropine Mesylate	20	suppressed
Bupropion Xl	Bupropion Hcl	20	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	20	suppressed
Risperidone	Risperidone	20	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	20	suppressed
Allopurinol	Allopurinol	19	suppressed
Single Use Swab	Alcohol Antiseptic Pads	19	13
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	19	suppressed
Tizanidine Hcl	Tizanidine Hcl	19	suppressed
Diazepam	Diazepam	18	suppressed
Digoxin	Digoxin	18	suppressed
Methocarbamol	Methocarbamol	18	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	17	17
Lovastatin	Lovastatin	17	suppressed
Methimazole	Methimazole	17	suppressed
Ozempic	Semaglutide	17	suppressed
Tradjenta	Linagliptin	17	suppressed
Ammonium Lactate	Ammonium Lactate	16	suppressed
Carbamazepine	Carbamazepine	16	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	16	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	15	suppressed
Divalproex Sodium	Divalproex Sodium	15	suppressed
Ezetimibe	Ezetimibe	15	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	15	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	15	suppressed
Linzess	Linaclotide	15	suppressed
Nitroglycerin	Nitroglycerin	15	suppressed
Amiodarone Hcl	Amiodarone Hcl	14	suppressed
Anastrozole	Anastrozole	14	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	14	suppressed
Chlorthalidone	Chlorthalidone	14	suppressed
Enalapril Maleate	Enalapril Maleate	14	suppressed
Ondansetron Hcl	Ondansetron Hcl	14	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	14	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	13	suppressed
Amantadine	Amantadine Hcl	13	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	13	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	13	suppressed
Morphine Sulfate Er	Morphine Sulfate	13	suppressed
Spiriva Handihaler	Tiotropium Bromide	13	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	13	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	12	suppressed
Aripiprazole	Aripiprazole	12	suppressed
Celecoxib	Celecoxib	12	suppressed
Diclofenac Sodium	Diclofenac Sodium	12	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	12	suppressed
Fluconazole	Fluconazole	12	suppressed
Glimepiride	Glimepiride	12	suppressed
Haloperidol Decanoate	Haloperidol Decanoate	12	suppressed
Haloperidol Lactate	Haloperidol Lactate	12	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	12	suppressed
Lacosamide	Lacosamide	12	suppressed
Lithium Carbonate Er	Lithium Carbonate	12	suppressed
Lubiprostone	Lubiprostone	12	suppressed
Novolog Flexpen	Insulin Aspart	12	suppressed
Perphenazine	Perphenazine	12	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	12	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	12	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	12	suppressed
Rybelsus	Semaglutide	12	suppressed
Solifenacin Succinate	Solifenacin Succinate	12	suppressed
Trintellix	Vortioxetine Hydrobromide	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Xigduo Xr	Dapaglifloz Propaned/Metformin	12	suppressed
Albuterol Sulfate	Albuterol Sulfate	11	suppressed
Cilostazol	Cilostazol	11	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	11	suppressed
Invega Sustenna	Paliperidone Palmitate	11	suppressed
Pyridostigmine Bromide	Pyridostigmine Bromide	11	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	11	suppressed
Symbicort	Budesonide/Formoterol Fumarate	11	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	11	suppressed
Trihexyphenidyl Hcl	Trihexyphenidyl Hcl	11	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	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