Healthcare provider profile · identity verified

Mark Unger, MD

Family Practice · FORT COLLINS, CO · NPI 1568448744

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	521	138
Lisinopril	Lisinopril	380	103
Levothyroxine Sodium	Levothyroxine Sodium	345	89
Amlodipine Besylate	Amlodipine Besylate	293	88
Losartan Potassium	Losartan Potassium	262	83
Gabapentin	Gabapentin	227	60
Metformin Hcl	Metformin Hcl	225	63
Tamsulosin Hcl	Tamsulosin Hcl	224	62
Trazodone Hcl	Trazodone Hcl	184	45
Rosuvastatin Calcium	Rosuvastatin Calcium	177	57
Simvastatin	Simvastatin	164	48
Omeprazole	Omeprazole	158	49
Tramadol Hcl	Tramadol Hcl	149	26
Metoprolol Succinate	Metoprolol Succinate	139	39
Hydrochlorothiazide	Hydrochlorothiazide	129	42
Potassium Chloride	Potassium Chloride	117	29
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	104	21
Furosemide	Furosemide	96	31
Escitalopram Oxalate	Escitalopram Oxalate	95	30
Famotidine	Famotidine	91	31
Eliquis	Apixaban	86	20
Zolpidem Tartrate	Zolpidem Tartrate	86	22
Pantoprazole Sodium	Pantoprazole Sodium	83	27
Ozempic	Semaglutide	82	19
Pravastatin Sodium	Pravastatin Sodium	81	24
Duloxetine Hcl	Duloxetine Hcl	80	22
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	79	22
Lorazepam	Lorazepam	79	16
Jardiance	Empagliflozin	78	21
Allopurinol	Allopurinol	74	19
Montelukast Sodium	Montelukast Sodium	71	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	69	18
Sertraline Hcl	Sertraline Hcl	68	18
Citalopram Hbr	Citalopram Hydrobromide	67	15
Albuterol Sulfate Hfa	Albuterol Sulfate	66	25
Carvedilol	Carvedilol	58	13
Glipizide Er	Glipizide	58	16
Doxazosin Mesylate	Doxazosin Mesylate	56	16
Finasteride	Finasteride	56	18
Alprazolam	Alprazolam	55	suppressed
Clonazepam	Clonazepam	53	suppressed
Meloxicam	Meloxicam	53	18
Trulicity	Dulaglutide	53	suppressed
Pregabalin	Pregabalin	52	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	51	14
Prednisone	Prednisone	47	24
Donepezil Hcl	Donepezil Hcl	44	14
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	44	suppressed
Atenolol	Atenolol	43	13
Warfarin Sodium	Warfarin Sodium	42	12
Myrbetriq	Mirabegron	41	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	40	suppressed
Metformin Hcl Er	Metformin Hcl	39	14
Olmesartan Medoxomil	Olmesartan Medoxomil	38	suppressed
Xarelto	Rivaroxaban	37	suppressed
Alendronate Sodium	Alendronate Sodium	35	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	34	12
Metoprolol Tartrate	Metoprolol Tartrate	34	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	32	11
Fluticasone Propionate	Fluticasone Propionate	31	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	30	suppressed
Synthroid	Levothyroxine Sodium	30	suppressed
Glimepiride	Glimepiride	29	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	28	suppressed
Estradiol	Estradiol	28	11
Diazepam	Diazepam	27	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	26	suppressed
Propranolol Hcl Er	Propranolol Hcl	26	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	26	16
Mirtazapine	Mirtazapine	25	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	23	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	23	suppressed
Ipratropium Bromide	Ipratropium Bromide	23	suppressed
Spironolactone	Spironolactone	23	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	22	suppressed
Diclofenac Sodium	Diclofenac Sodium	22	suppressed
Divalproex Sodium Er	Divalproex Sodium	22	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	22	suppressed
Lamotrigine Er	Lamotrigine	22	suppressed
Ondansetron Odt	Ondansetron	22	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	22	suppressed
Ventolin Hfa	Albuterol Sulfate	22	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	21	suppressed
Benazepril Hcl	Benazepril Hcl	21	suppressed
Clonidine Hcl	Clonidine Hcl	21	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	21	suppressed
Nystatin	Nystatin	21	suppressed
Morphine Sulfate Er	Morphine Sulfate	20	suppressed
Tizanidine Hcl	Tizanidine Hcl	20	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	19	suppressed
Baclofen	Baclofen	18	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	18	suppressed
Oxycodone Hcl	Oxycodone Hcl	18	suppressed
Testosterone Cypionate	Testosterone Cypionate	18	suppressed
Varenicline Tartrate	Varenicline Tartrate	18	suppressed
Buspirone Hcl	Buspirone Hcl	17	suppressed
Bupropion Xl	Bupropion Hcl	16	suppressed
Carbamazepine Er	Carbamazepine	16	suppressed
Dutasteride	Dutasteride	16	suppressed
Mounjaro	Tirzepatide	16	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	16	suppressed
Valacyclovir	Valacyclovir Hcl	16	suppressed
Acarbose	Acarbose	15	suppressed
Acyclovir	Acyclovir	15	suppressed
Azithromycin	Azithromycin	15	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	15	suppressed
Lovastatin	Lovastatin	15	suppressed
Celecoxib	Celecoxib	14	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	14	suppressed
Lansoprazole	Lansoprazole	14	suppressed
Methylprednisolone	Methylprednisolone	14	13
Aimovig Autoinjector	Erenumab-Aooe	13	suppressed
Atrovent Hfa	Ipratropium Bromide	13	suppressed
Azelastine Hcl	Azelastine Hcl	13	suppressed
Bumetanide	Bumetanide	13	suppressed
Clobetasol Propionate	Clobetasol Propionate	13	suppressed
Clopidogrel	Clopidogrel Bisulfate	13	suppressed
Felbamate	Felbamate	13	suppressed
Jantoven	Warfarin Sodium	13	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	13	suppressed
Nifedipine Er	Nifedipine	13	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	13	suppressed
Testosterone	Testosterone	13	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	12	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Bydureon Bcise	Exenatide Microspheres	12	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	12	suppressed
Fentanyl	Fentanyl	12	suppressed
Scopolamine	Scopolamine	12	suppressed
Sildenafil Citrate	Sildenafil Citrate	12	suppressed
Solifenacin Succinate	Solifenacin Succinate	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	11	suppressed
Latanoprost	Latanoprost	11	suppressed
Levemir Flexpen	Insulin Detemir	11	suppressed
Levocarnitine	Levocarnitine (With Sugar)	11	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	11	suppressed
Propranolol Hcl	Propranolol 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

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