Healthcare provider profile · identity verified

Daniel H Litoff, M.D.

Internal Medicine · CHICAGO, IL · NPI 1891786372

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	1053	315
Amlodipine Besylate	Amlodipine Besylate	747	230
Losartan Potassium	Losartan Potassium	369	120
Metoprolol Succinate	Metoprolol Succinate	307	98
Lisinopril	Lisinopril	269	82
Levothyroxine Sodium	Levothyroxine Sodium	265	68
Hydrochlorothiazide	Hydrochlorothiazide	264	87
Jardiance	Empagliflozin	245	60
Metformin Hcl Er	Metformin Hcl	194	62
Rosuvastatin Calcium	Rosuvastatin Calcium	183	59
Escitalopram Oxalate	Escitalopram Oxalate	182	45
Metformin Hcl	Metformin Hcl	174	55
Furosemide	Furosemide	173	55
Alendronate Sodium	Alendronate Sodium	164	50
Omeprazole	Omeprazole	154	55
Tamsulosin Hcl	Tamsulosin Hcl	150	49
Albuterol Sulfate Hfa	Albuterol Sulfate	146	53
Gabapentin	Gabapentin	139	40
Fluticasone Propionate	Fluticasone Propionate	134	68
Eliquis	Apixaban	130	32
Allopurinol	Allopurinol	125	40
Ozempic	Semaglutide	125	25
Carvedilol	Carvedilol	123	35
Donepezil Hcl	Donepezil Hcl	110	43
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	109	15
Memantine Hcl	Memantine Hcl	108	31
Simvastatin	Simvastatin	106	31
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	98	30
Trazodone Hcl	Trazodone Hcl	98	27
Duloxetine Hcl	Duloxetine Hcl	96	29
Pantoprazole Sodium	Pantoprazole Sodium	93	34
Spironolactone	Spironolactone	93	32
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	92	27
Potassium Chloride	Potassium Chloride	90	28
Clopidogrel	Clopidogrel Bisulfate	75	17
Famotidine	Famotidine	72	22
Pregabalin	Pregabalin	71	13
Zolpidem Tartrate	Zolpidem Tartrate	68	14
Torsemide	Torsemide	67	24
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	67	13
Pravastatin Sodium	Pravastatin Sodium	65	18
Finasteride	Finasteride	61	19
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	60	23
Bupropion Xl	Bupropion Hcl	58	16
Sertraline Hcl	Sertraline Hcl	55	13
Metoprolol Tartrate	Metoprolol Tartrate	54	15
Hydralazine Hcl	Hydralazine Hcl	53	15
Montelukast Sodium	Montelukast Sodium	51	12
Mirtazapine	Mirtazapine	49	18
Triamcinolone Acetonide	Triamcinolone Acetonide	49	32
Nifedipine Er	Nifedipine	45	15
Xarelto	Rivaroxaban	45	11
Breo Ellipta	Fluticasone/Vilanterol	44	13
Valacyclovir	Valacyclovir Hcl	44	20
Olmesartan Medoxomil	Olmesartan Medoxomil	43	13
Trulicity	Dulaglutide	42	suppressed
Incruse Ellipta	Umeclidinium Bromide	41	suppressed
Azelastine Hcl	Azelastine Hcl	39	22
Prednisone	Prednisone	39	26
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	37	suppressed
Enalapril Maleate	Enalapril Maleate	35	11
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	35	12
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	34	15
Tramadol Hcl	Tramadol Hcl	33	suppressed
Irbesartan	Irbesartan	32	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	31	suppressed
Citalopram Hbr	Citalopram Hydrobromide	30	suppressed
Clonazepam	Clonazepam	30	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	30	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	30	suppressed
Benazepril Hcl	Benazepril Hcl	29	suppressed
Ibuprofen	Ibuprofen	29	suppressed
Ketoconazole	Ketoconazole	29	suppressed
Azithromycin	Azithromycin	27	25
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	27	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	26	suppressed
Warfarin Sodium	Warfarin Sodium	26	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	25	12
Naproxen	Naproxen	25	11
Nortriptyline Hcl	Nortriptyline Hcl	25	suppressed
Amoxicillin	Amoxicillin	24	21
Lovastatin	Lovastatin	24	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	24	suppressed
Ventolin Hfa	Albuterol Sulfate	24	suppressed
Atenolol	Atenolol	23	suppressed
Mounjaro	Tirzepatide	23	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	23	12
Cephalexin	Cephalexin	22	13
Valsartan	Valsartan	21	suppressed
Baclofen	Baclofen	20	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	20	suppressed
Propranolol Hcl	Propranolol Hcl	20	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	20	15
Chlorthalidone	Chlorthalidone	19	suppressed
Glipizide	Glipizide	19	suppressed
Meclizine Hcl	Meclizine Hcl	19	suppressed
Linzess	Linaclotide	18	suppressed
Meloxicam	Meloxicam	18	suppressed
Risperidone	Risperidone	18	suppressed
Triumeq	Abacavir/Dolutegravir/Lamivudi	18	suppressed
Ezetimibe	Ezetimibe	17	suppressed
Lactulose	Lactulose	17	suppressed
Ramipril	Ramipril	17	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	16	suppressed
Farxiga	Dapagliflozin Propanediol	16	suppressed
Symbicort	Budesonide/Formoterol Fumarate	16	suppressed
Humalog Kwikpen U-100	Insulin Lispro	15	suppressed
Spiriva Handihaler	Tiotropium Bromide	15	suppressed
Biktarvy	Bictegrav/Emtricit/Tenofov Ala	14	suppressed
Galantamine Hbr	Galantamine Hbr	14	suppressed
Emtricitabine-Tenofovir Disop	Emtricitabine/Tenofovir (Tdf)	13	suppressed
Lorazepam	Lorazepam	13	suppressed
Morphine Sulfate	Morphine Sulfate	13	suppressed
Morphine Sulfate Er	Morphine Sulfate	13	suppressed
Olanzapine	Olanzapine	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Testosterone	Testosterone	13	suppressed
Verapamil Er	Verapamil Hcl	13	suppressed
Felodipine Er	Felodipine	12	suppressed
Fentanyl	Fentanyl	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Novolog Flexpen	Insulin Aspart	12	suppressed
Rybelsus	Semaglutide	12	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	11	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	11	suppressed
Isentress	Raltegravir Potassium	11	suppressed
Myrbetriq	Mirabegron	11	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	11	suppressed
Stribild	Elviteg/Cob/Emtri/Tenofo Disop	11	suppressed
Tizanidine Hcl	Tizanidine 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