Healthcare provider profile · identity verified

John Joseph Pack, MD

Internal Medicine · CENTENNIAL, CO · NPI 1184654972

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	508	85
Eliquis	Apixaban	496	53
Amlodipine Besylate	Amlodipine Besylate	451	84
Pantoprazole Sodium	Pantoprazole Sodium	346	57
Furosemide	Furosemide	289	57
Gabapentin	Gabapentin	289	48
Losartan Potassium	Losartan Potassium	280	53
Levothyroxine Sodium	Levothyroxine Sodium	275	57
Lisinopril	Lisinopril	275	42
Famotidine	Famotidine	239	39
Hydralazine Hcl	Hydralazine Hcl	215	33
Quetiapine Fumarate	Quetiapine Fumarate	202	26
Potassium Chloride	Potassium Chloride	184	43
Sertraline Hcl	Sertraline Hcl	179	44
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	164	29
Metformin Hcl	Metformin Hcl	153	25
Clopidogrel	Clopidogrel Bisulfate	142	26
Levetiracetam	Levetiracetam	140	20
Metoprolol Tartrate	Metoprolol Tartrate	135	25
Mirtazapine	Mirtazapine	133	19
Oxycodone Hcl	Oxycodone Hcl	129	15
Januvia	Sitagliptin Phosphate	125	11
Metoprolol Succinate	Metoprolol Succinate	110	28
Zolpidem Tartrate	Zolpidem Tartrate	108	24
Rosuvastatin Calcium	Rosuvastatin Calcium	105	23
Nifedipine Er	Nifedipine	104	18
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	103	23
Carvedilol	Carvedilol	96	22
Donepezil Hcl	Donepezil Hcl	93	15
Invokana	Canagliflozin	91	11
Tamsulosin Hcl	Tamsulosin Hcl	91	22
Pravastatin Sodium	Pravastatin Sodium	90	20
Chlorthalidone	Chlorthalidone	88	18
Baclofen	Baclofen	83	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	82	25
Celecoxib	Celecoxib	78	24
Clonazepam	Clonazepam	78	11
Alendronate Sodium	Alendronate Sodium	73	16
Atenolol	Atenolol	73	suppressed
Omeprazole	Omeprazole	73	12
Escitalopram Oxalate	Escitalopram Oxalate	66	12
Fluoxetine Hcl	Fluoxetine Hcl	64	12
Isosorbide Mononitrate Er	Isosorbide Mononitrate	62	12
Glipizide	Glipizide	60	suppressed
Diltiazem Hcl	Diltiazem Hcl	59	suppressed
Lactulose	Lactulose	56	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	52	20
Fluocinonide	Fluocinonide	51	22
Divalproex Sodium	Divalproex Sodium	50	suppressed
Duloxetine Hcl	Duloxetine Hcl	50	12
Risperidone	Risperidone	50	suppressed
Xarelto	Rivaroxaban	50	suppressed
Ondansetron Hcl	Ondansetron Hcl	49	23
Prednisone	Prednisone	49	19
Latanoprost	Latanoprost	48	15
Pregabalin	Pregabalin	48	suppressed
Sodium Chloride	0.9 % Sodium Chloride	48	13
Allopurinol	Allopurinol	47	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	47	suppressed
Telmisartan	Telmisartan	47	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	46	12
Finasteride	Finasteride	46	13
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	44	17
Labetalol Hcl	Labetalol Hcl	44	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	43	suppressed
Lorazepam	Lorazepam	43	11
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	43	29
Lacosamide	Lacosamide	42	suppressed
Alprazolam	Alprazolam	39	suppressed
Ozempic	Semaglutide	39	suppressed
Humalog Kwikpen U-100	Insulin Lispro	38	11
Cephalexin	Cephalexin	37	21
Jardiance	Empagliflozin	37	suppressed
Linzess	Linaclotide	37	12
Bupropion Xl	Bupropion Hcl	36	suppressed
Memantine Hcl	Memantine Hcl	36	suppressed
Levofloxacin	Levofloxacin	34	27
Olanzapine	Olanzapine	34	suppressed
Fluticasone Propionate	Fluticasone Propionate	33	suppressed
Humulin R	Insulin Regular, Human	33	suppressed
Sucralfate	Sucralfate	33	suppressed
Diazepam	Diazepam	31	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	31	suppressed
Montelukast Sodium	Montelukast Sodium	31	suppressed
Simvastatin	Simvastatin	30	suppressed
Tramadol Hcl	Tramadol Hcl	30	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	29	suppressed
Ketoconazole	Ketoconazole	29	13
Amiodarone Hcl	Amiodarone Hcl	27	suppressed
Entresto	Sacubitril/Valsartan	27	suppressed
Lidocaine	Lidocaine	27	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	25	13
Clonidine Hcl	Clonidine Hcl	25	11
Dapagliflozin	Dapagliflozin Propanediol	25	suppressed
Insulin Aspart Flexpen	Insulin Aspart	25	suppressed
Spironolactone	Spironolactone	24	suppressed
Colchicine	Colchicine	23	suppressed
Ezetimibe	Ezetimibe	23	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	23	suppressed
Acetylcysteine	Acetylcysteine	22	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	22	suppressed
Citalopram Hbr	Citalopram Hydrobromide	22	suppressed
Lamotrigine	Lamotrigine	22	suppressed
Albuterol Sulfate	Albuterol Sulfate	21	suppressed
Calcium Acetate	Calcium Acetate	21	suppressed
Lansoprazole	Lansoprazole	21	suppressed
Methimazole	Methimazole	21	suppressed
Mupirocin	Mupirocin	21	12
Temazepam	Temazepam	21	suppressed
Trazodone Hcl	Trazodone Hcl	21	suppressed
Morphine Sulfate Er	Morphine Sulfate	20	suppressed
Tresiba Flextouch U-100	Insulin Degludec	20	suppressed
Aripiprazole	Aripiprazole	19	suppressed
Heparin Sodium	Heparin Sodium,porcine	19	15
Azithromycin	Azithromycin	18	16
Paroxetine Hcl	Paroxetine Hcl	18	suppressed
Trospium Chloride	Trospium Chloride	18	suppressed
Carisoprodol	Carisoprodol	17	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	suppressed
Synjardy	Empagliflozin/Metformin Hcl	17	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	17	suppressed
Folic Acid	Folic Acid	16	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	15	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	15	suppressed
Megestrol Acetate	Megestrol Acetate	15	suppressed
Propranolol Hcl	Propranolol Hcl	15	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	14	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	14	suppressed
Digoxin	Digoxin	14	suppressed
Minoxidil	Minoxidil	14	suppressed
Novolog Flexpen	Insulin Aspart	14	suppressed
Tradjenta	Linagliptin	14	suppressed
Amlodipine-Atorvastatin	Amlodipine/Atorvastatin	13	suppressed
Brinzolamide	Brinzolamide	13	suppressed
Cilostazol	Cilostazol	13	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	13	11
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	13	suppressed
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	13	suppressed
Eszopiclone	Eszopiclone	13	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	13	suppressed
Nitroglycerin	Nitroglycerin	13	suppressed
Nystatin	Nystatin	13	suppressed
Synthroid	Levothyroxine Sodium	13	suppressed
Benazepril Hcl	Benazepril Hcl	12	suppressed
Clobazam	Clobazam	12	suppressed
Doxepin Hcl	Doxepin Hcl	12	suppressed
Ertapenem	Ertapenem Sodium	12	suppressed
Farxiga	Dapagliflozin Propanediol	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Insulin Lispro	Insulin Lispro	12	suppressed
Ketorolac Tromethamine	Ketorolac Tromethamine	12	suppressed
Meclizine Hcl	Meclizine Hcl	12	suppressed
Midodrine Hcl	Midodrine Hcl	12	suppressed
Pentoxifylline	Pentoxifylline	12	suppressed
Valproic Acid	Valproic Acid	12	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	12	suppressed
Biktarvy	Bictegrav/Emtricit/Tenofov Ala	11	suppressed
Brilinta	Ticagrelor	11	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	11	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	11	suppressed
Gentamicin Sulfate	Gentamicin Sulfate	11	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	11	suppressed
Klor-Con 10	Potassium Chloride	11	suppressed
Metolazone	Metolazone	11	suppressed
Odefsey	Emtricitab/Rilpiviri/Tenof Ala	11	suppressed
Piperacillin-Tazobactam	Piperacillin Sodium/Tazobactam	11	suppressed
Prednisolone Acetate	Prednisolone Acetate	11	suppressed
Santyl	Collagenase Clostridium Hist.	11	suppressed
Terazosin Hcl	Terazosin Hcl	11	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	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