Healthcare provider profile · identity verified

Clinton Holumzer, MD

Internal Medicine · BETHLEHEM, PA · NPI 1124078423

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	906	162
Levothyroxine Sodium	Levothyroxine Sodium	731	121
Baclofen	Baclofen	538	43
Gabapentin	Gabapentin	471	85
Amlodipine Besylate	Amlodipine Besylate	426	102
Metformin Hcl	Metformin Hcl	398	87
Lisinopril	Lisinopril	374	86
Omeprazole	Omeprazole	370	80
Losartan Potassium	Losartan Potassium	349	73
Sertraline Hcl	Sertraline Hcl	335	62
Eliquis	Apixaban	278	53
Pantoprazole Sodium	Pantoprazole Sodium	238	68
Potassium Chloride	Potassium Chloride	233	47
Tizanidine Hcl	Tizanidine Hcl	227	31
Furosemide	Furosemide	222	50
Famotidine	Famotidine	216	46
Metoprolol Succinate	Metoprolol Succinate	214	51
Fluticasone Propionate	Fluticasone Propionate	210	61
Tamsulosin Hcl	Tamsulosin Hcl	210	37
Oxycodone Hcl	Oxycodone Hcl	208	38
Trazodone Hcl	Trazodone Hcl	205	50
Clonazepam	Clonazepam	203	31
Tramadol Hcl	Tramadol Hcl	199	47
Metoprolol Tartrate	Metoprolol Tartrate	192	44
Divalproex Sodium	Divalproex Sodium	184	19
Pravastatin Sodium	Pravastatin Sodium	177	32
Levetiracetam	Levetiracetam	170	20
Quetiapine Fumarate	Quetiapine Fumarate	162	22
Lorazepam	Lorazepam	159	46
Lantus	Insulin Glargine,hum.Rec.Anlog	156	20
Simvastatin	Simvastatin	153	34
Montelukast Sodium	Montelukast Sodium	151	21
Hydrochlorothiazide	Hydrochlorothiazide	149	33
Duloxetine Hcl	Duloxetine Hcl	147	24
Rosuvastatin Calcium	Rosuvastatin Calcium	141	31
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	135	24
Alprazolam	Alprazolam	133	35
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	131	24
Carvedilol	Carvedilol	128	29
Albuterol Sulfate Hfa	Albuterol Sulfate	123	38
Ezetimibe	Ezetimibe	116	24
Mirtazapine	Mirtazapine	116	31
Venlafaxine Hcl Er	Venlafaxine Hcl	116	16
Spironolactone	Spironolactone	113	25
Escitalopram Oxalate	Escitalopram Oxalate	111	26
Olanzapine	Olanzapine	111	21
Lactulose	Lactulose	109	16
Meloxicam	Meloxicam	109	20
Tradjenta	Linagliptin	104	16
Cephalexin	Cephalexin	103	70
Azelastine Hcl	Azelastine Hcl	97	29
Jardiance	Empagliflozin	97	22
Oxybutynin Chloride Er	Oxybutynin Chloride	96	25
Warfarin Sodium	Warfarin Sodium	96	12
Lamotrigine	Lamotrigine	94	12
Pregabalin	Pregabalin	86	18
Midodrine Hcl	Midodrine Hcl	84	12
Diazepam	Diazepam	83	20
Oseltamivir Phosphate	Oseltamivir Phosphate	83	72
Doxazosin Mesylate	Doxazosin Mesylate	81	18
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	79	21
Ondansetron Hcl	Ondansetron Hcl	79	52
Oxybutynin Chloride	Oxybutynin Chloride	78	17
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	77	22
Citalopram Hbr	Citalopram Hydrobromide	75	12
Clopidogrel	Clopidogrel Bisulfate	75	18
Glimepiride	Glimepiride	75	16
Methocarbamol	Methocarbamol	75	21
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	73	suppressed
Repaglinide	Repaglinide	73	13
Buspirone Hcl	Buspirone Hcl	71	17
Prednisone	Prednisone	70	48
Ozempic	Semaglutide	68	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	68	42
Metformin Hcl Er	Metformin Hcl	66	23
Ibuprofen	Ibuprofen	65	17
Diclofenac Sodium	Diclofenac Sodium	63	17
Dantrolene Sodium	Dantrolene Sodium	62	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	61	11
Zolpidem Tartrate	Zolpidem Tartrate	61	20
Ketoconazole	Ketoconazole	60	21
Aripiprazole	Aripiprazole	59	suppressed
Latanoprost	Latanoprost	59	suppressed
Oxcarbazepine	Oxcarbazepine	59	suppressed
Alendronate Sodium	Alendronate Sodium	58	14
Atenolol	Atenolol	57	13
Albuterol Sulfate	Albuterol Sulfate	55	14
Benztropine Mesylate	Benztropine Mesylate	54	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	54	suppressed
Torsemide	Torsemide	54	23
Pioglitazone Hcl	Pioglitazone Hcl	52	13
Chlorhexidine Gluconate	Chlorhexidine Gluconate	51	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	51	16
Divalproex Sodium Er	Divalproex Sodium	50	suppressed
Humalog Kwikpen U-100	Insulin Lispro	50	14
Allopurinol	Allopurinol	47	13
Finasteride	Finasteride	47	suppressed
Loperamide	Loperamide Hcl	46	33
Chlorthalidone	Chlorthalidone	45	12
Fluoxetine Hcl	Fluoxetine Hcl	45	suppressed
Lidocaine	Lidocaine	45	suppressed
Risperidone	Risperidone	45	suppressed
Bupropion Xl	Bupropion Hcl	44	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	44	16
Dicyclomine Hcl	Dicyclomine Hcl	42	suppressed
Humalog	Insulin Lispro	42	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	41	11
Naproxen	Naproxen	41	19
Lacosamide	Lacosamide	39	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	39	suppressed
Terazosin Hcl	Terazosin Hcl	39	suppressed
Linzess	Linaclotide	37	suppressed
Budesonide	Budesonide	36	suppressed
Cefpodoxime Proxetil	Cefpodoxime Proxetil	36	24
Renacidin	Citric Ac/Gluconolact/Mag Carb	36	suppressed
Memantine Hcl	Memantine Hcl	35	14
Morphine Sulfate Er	Morphine Sulfate	35	suppressed
Xarelto	Rivaroxaban	35	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	33	suppressed
Meclizine Hcl	Meclizine Hcl	33	suppressed
Phenobarbital	Phenobarbital	33	suppressed
Ropinirole Hcl	Ropinirole Hcl	33	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	32	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	32	suppressed
Donepezil Hcl	Donepezil Hcl	31	suppressed
Topiramate	Topiramate	31	suppressed
Farxiga	Dapagliflozin Propanediol	30	suppressed
Lovastatin	Lovastatin	30	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	29	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	29	23
Synthroid	Levothyroxine Sodium	29	suppressed
Clonidine Hcl	Clonidine Hcl	28	suppressed
Lansoprazole	Lansoprazole	28	suppressed
Amoxicillin	Amoxicillin	27	15
Carbamazepine	Carbamazepine	27	suppressed
Celecoxib	Celecoxib	27	11
Diltiazem 24hr Er	Diltiazem Hcl	27	suppressed
Valacyclovir	Valacyclovir Hcl	27	13
Verapamil Er	Verapamil Hcl	27	suppressed
Glipizide	Glipizide	26	suppressed
Nystatin	Nystatin	26	13
Propranolol Hcl	Propranolol Hcl	26	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	26	13
Paroxetine Hcl	Paroxetine Hcl	25	suppressed
Sodium Chloride	0.9 % Sodium Chloride	25	20
Trulicity	Dulaglutide	25	suppressed
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	24	24
Lithium Carbonate	Lithium Carbonate	24	suppressed
Sodium Polystyrene Sulfonate	Sodium Polystyrene Sulfonate	24	12
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	23	suppressed
Alcohol Prep Pads	Alcohol Antiseptic Pads	22	suppressed
Azathioprine	Azathioprine	22	suppressed
Hydrocortisone	Hydrocortisone	22	suppressed
Mometasone Furoate	Mometasone Furoate	22	suppressed
Myrbetriq	Mirabegron	22	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	21	20
Ciprofloxacin Hcl	Ciprofloxacin Hcl	21	18
Fluocinonide	Fluocinonide	20	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	20	suppressed
Breo Ellipta	Fluticasone/Vilanterol	19	suppressed
Clotrimazole	Clotrimazole	19	suppressed
Novolog Flexpen	Insulin Aspart	19	suppressed
Spiriva Handihaler	Tiotropium Bromide	19	suppressed
Symbicort	Budesonide/Formoterol Fumarate	19	suppressed
Januvia	Sitagliptin Phosphate	18	suppressed
Morphine Sulfate	Morphine Sulfate	18	12
Ondansetron Odt	Ondansetron	18	suppressed
Sucralfate	Sucralfate	18	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	17	suppressed
Ceftriaxone	Ceftriaxone Sodium	17	13
Desmopressin Acetate	Desmopressin Acetate	17	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	17	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	17	suppressed
Klayesta	Nystatin	17	13
Novolog	Insulin Aspart	17	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	17	suppressed
Sodium Bicarbonate	Sodium Bicarbonate	17	suppressed
Amiodarone Hcl	Amiodarone Hcl	16	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	16	suppressed
Enalapril Maleate	Enalapril Maleate	16	suppressed
Fluconazole	Fluconazole	16	13
Irbesartan	Irbesartan	16	suppressed
Propranolol Hcl Er	Propranolol Hcl	16	suppressed
Ranolazine Er	Ranolazine	16	suppressed
Zonisamide	Zonisamide	16	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	15	suppressed
Labetalol Hcl	Labetalol Hcl	15	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	15	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	15	suppressed
Anastrozole	Anastrozole	14	suppressed
Bumetanide	Bumetanide	14	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	14	suppressed
Enoxaparin Sodium	Enoxaparin Sodium	14	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	14	suppressed
Hydralazine Hcl	Hydralazine Hcl	14	suppressed
Lidocaine Hcl	Lidocaine Hcl/Pf	14	12
Methylprednisolone	Methylprednisolone	14	12
Metronidazole	Metronidazole	14	suppressed
Mupirocin	Mupirocin	14	suppressed
Nitroglycerin	Nitroglycerin	14	suppressed
Ubrelvy	Ubrogepant	14	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	14	suppressed
Veltassa	Patiromer Calcium Sorbitex	14	suppressed
Carbamazepine Er	Carbamazepine	13	suppressed
Colchicine	Colchicine	13	suppressed
Digoxin	Digoxin	13	suppressed
Forteo	Teriparatide	13	suppressed
Glucagen	Glucagon	13	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	13	suppressed
Procrit	Epoetin Alfa	13	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	13	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	12	suppressed
Ajovy Autoinjector	Fremanezumab-Vfrm	12	suppressed
Amantadine	Amantadine Hcl	12	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	12	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	12	suppressed
Epidiolex	Cannabidiol (Cbd)	12	suppressed
Fenofibrate	Fenofibrate	12	suppressed
Levocarnitine	Levocarnitine	12	suppressed
Memantine Hcl Er	Memantine Hcl	12	suppressed
Mounjaro	Tirzepatide	12	suppressed
Movantik	Naloxegol Oxalate	12	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	12	12
Paxlovid	Nirmatrelvir/Ritonavir	12	12
Potassium Citrate Er	Potassium Citrate	12	suppressed
Praluent Pen	Alirocumab	12	suppressed
Promethazine Hcl	Promethazine Hcl	12	suppressed
Rivastigmine	Rivastigmine Tartrate	12	suppressed
Sevelamer Carbonate	Sevelamer Carbonate	12	suppressed
Temazepam	Temazepam	12	suppressed
Varenicline Tartrate	Varenicline Tartrate	12	suppressed
Azithromycin	Azithromycin	11	11
Gemfibrozil	Gemfibrozil	11	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	11	suppressed
Ketorolac Tromethamine	Ketorolac Tromethamine	11	suppressed
Levofloxacin	Levofloxacin	11	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	11	suppressed
Verapamil Sr	Verapamil Hcl	11	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	11	suppressed
Ziprasidone Hcl	Ziprasidone 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

Full methodology · Questions & answers · Report a possible error