Healthcare provider profile · identity verified

Daniel Buff, MD

Internal Medicine · FAR ROCKAWAY, NY · NPI 1033202544

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	1524	164
Amlodipine Besylate	Amlodipine Besylate	1122	124
Furosemide	Furosemide	774	85
Levothyroxine Sodium	Levothyroxine Sodium	707	69
Omeprazole	Omeprazole	706	75
Pantoprazole Sodium	Pantoprazole Sodium	646	86
Metformin Hcl	Metformin Hcl	637	61
Gabapentin	Gabapentin	613	68
Divalproex Sodium	Divalproex Sodium	585	46
Risperidone	Risperidone	549	46
Metoprolol Tartrate	Metoprolol Tartrate	535	58
Mirtazapine	Mirtazapine	534	66
Tamsulosin Hcl	Tamsulosin Hcl	521	67
Eliquis	Apixaban	513	46
Memantine Hcl	Memantine Hcl	495	44
Donepezil Hcl	Donepezil Hcl	488	60
Januvia	Sitagliptin Phosphate	427	27
Losartan Potassium	Losartan Potassium	423	50
Levetiracetam	Levetiracetam	418	45
Olanzapine	Olanzapine	369	32
Lactulose	Lactulose	350	89
Hydralazine Hcl	Hydralazine Hcl	305	37
Sertraline Hcl	Sertraline Hcl	300	28
Quetiapine Fumarate	Quetiapine Fumarate	288	23
Xarelto	Rivaroxaban	267	20
Clopidogrel	Clopidogrel Bisulfate	256	38
Famotidine	Famotidine	256	27
Latanoprost	Latanoprost	249	41
Rosuvastatin Calcium	Rosuvastatin Calcium	236	29
Lisinopril	Lisinopril	222	31
Benztropine Mesylate	Benztropine Mesylate	205	28
Metoprolol Succinate	Metoprolol Succinate	199	46
Amantadine	Amantadine Hcl	193	21
Carvedilol	Carvedilol	188	23
Clozapine	Clozapine	185	suppressed
Citalopram Hbr	Citalopram Hydrobromide	182	12
Escitalopram Oxalate	Escitalopram Oxalate	182	21
Finasteride	Finasteride	178	22
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	175	19
Simvastatin	Simvastatin	172	20
Haloperidol	Haloperidol	169	19
Potassium Chloride	Potassium Chloride	166	20
Montelukast Sodium	Montelukast Sodium	165	15
Aripiprazole	Aripiprazole	160	14
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	151	28
Clonazepam	Clonazepam	147	27
Nifedipine Er	Nifedipine	145	17
Baclofen	Baclofen	144	22
Prednisone	Prednisone	141	22
Trazodone Hcl	Trazodone Hcl	141	21
Ketoconazole	Ketoconazole	123	25
Divalproex Sodium Er	Divalproex Sodium	112	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	112	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	110	13
Chlorhexidine Gluconate	Chlorhexidine Gluconate	106	suppressed
Nystatin	Nystatin	104	27
Doxazosin Mesylate	Doxazosin Mesylate	103	14
Glipizide	Glipizide	103	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	98	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	96	54
Sucralfate	Sucralfate	93	suppressed
Buspirone Hcl	Buspirone Hcl	91	17
Oxybutynin Chloride	Oxybutynin Chloride	84	11
Midodrine Hcl	Midodrine Hcl	83	11
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	82	30
Haloperidol Decanoate	Haloperidol Decanoate	82	14
Lorazepam	Lorazepam	80	18
Mupirocin	Mupirocin	80	30
Hydrochlorothiazide	Hydrochlorothiazide	79	13
Oxcarbazepine	Oxcarbazepine	79	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	78	34
Ammonium Lactate	Ammonium Lactate	77	18
Ibuprofen	Ibuprofen	76	12
Tramadol Hcl	Tramadol Hcl	76	18
Novolin R	Insulin Regular, Human	74	11
Entresto	Sacubitril/Valsartan	73	12
Santyl	Collagenase Clostridium Hist.	72	19
Albuterol Sulfate Hfa	Albuterol Sulfate	71	23
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	67	20
Triamcinolone Acetonide	Triamcinolone Acetonide	66	14
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	65	suppressed
Duloxetine Hcl	Duloxetine Hcl	65	11
Lantus	Insulin Glargine,hum.Rec.Anlog	65	13
Fenofibrate	Fenofibrate Nanocrystallized	61	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	60	11
Alogliptin	Alogliptin Benzoate	59	suppressed
Novolog	Insulin Aspart	59	suppressed
Albuterol Sulfate	Albuterol Sulfate	58	14
Labetalol Hcl	Labetalol Hcl	58	suppressed
Lacosamide	Lacosamide	58	suppressed
Oxycodone Hcl	Oxycodone Hcl	58	17
Warfarin Sodium	Warfarin Sodium	58	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	57	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	57	suppressed
Farxiga	Dapagliflozin Propanediol	56	suppressed
Insulin Lispro	Insulin Lispro	56	17
Methimazole	Methimazole	56	suppressed
Insulin Aspart Flexpen	Insulin Aspart	54	14
Oxybutynin Chloride Er	Oxybutynin Chloride	54	suppressed
Procrit	Epoetin Alfa	52	suppressed
Paliperidone Er	Paliperidone	51	suppressed
Spironolactone	Spironolactone	51	suppressed
Breo Ellipta	Fluticasone/Vilanterol	50	12
Lithium Carbonate	Lithium Carbonate	49	suppressed
Loperamide	Loperamide Hcl	49	14
Tradjenta	Linagliptin	49	suppressed
Ventolin Hfa	Albuterol Sulfate	49	suppressed
Valacyclovir	Valacyclovir Hcl	48	suppressed
Hydrocortisone	Hydrocortisone	47	12
Silver Sulfadiazine	Silver Sulfadiazine	47	28
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	47	22
Novolin 70-30	Insulin Nph Hum/Reg Insulin Hm	46	suppressed
Silodosin	Silodosin	46	suppressed
Clonidine Hcl	Clonidine Hcl	45	suppressed
Lokelma	Sodium Zirconium Cyclosilicate	45	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	44	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	44	suppressed
Ondansetron Hcl	Ondansetron Hcl	44	20
Anastrozole	Anastrozole	43	suppressed
Ciclopirox	Ciclopirox Olamine	43	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	43	suppressed
Novolog Flexpen	Insulin Aspart	42	suppressed
Carbamazepine	Carbamazepine	41	suppressed
Cinacalcet Hcl	Cinacalcet Hcl	41	suppressed
Fluticasone-Vilanterol	Fluticasone/Vilanterol	41	12
Ipratropium Bromide	Ipratropium Bromide	41	suppressed
Paroxetine Hcl	Paroxetine Hcl	39	suppressed
Valproic Acid	Valproic Acid	39	suppressed
Pregabalin	Pregabalin	38	suppressed
Topiramate	Topiramate	38	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	36	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	35	suppressed
Gemfibrozil	Gemfibrozil	35	suppressed
Pravastatin Sodium	Pravastatin Sodium	35	suppressed
Sodium Chloride	0.9 % Sodium Chloride	35	18
Fenofibrate	Fenofibrate	33	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	33	suppressed
Glipizide Er	Glipizide	33	suppressed
Allopurinol	Allopurinol	32	suppressed
Naproxen	Naproxen	32	suppressed
Novolog Mix 70-30	Insulin Aspart Prot/Insuln Asp	32	suppressed
Ssd	Silver Sulfadiazine	32	16
Isosorbide Mononitrate Er	Isosorbide Mononitrate	31	suppressed
Alendronate Sodium	Alendronate Sodium	30	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	30	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	30	suppressed
Bupropion Hcl	Bupropion Hcl	29	suppressed
Dutasteride	Dutasteride	29	suppressed
Enoxaparin Sodium	Enoxaparin Sodium	29	suppressed
Gemtesa	Vibegron	29	suppressed
Meloxicam	Meloxicam	29	suppressed
Steglatro	Ertugliflozin Pidolate	29	suppressed
Verapamil Hcl	Verapamil Hcl	29	suppressed
Acetazolamide	Acetazolamide	28	suppressed
Enalapril Maleate	Enalapril Maleate	28	suppressed
Incruse Ellipta	Umeclidinium Bromide	28	suppressed
Olanzapine Odt	Olanzapine	28	suppressed
Ramipril	Ramipril	28	suppressed
Timolol Maleate	Timolol Maleate	28	suppressed
Aranesp	Darbepoetin Alfa In Polysorbat	27	suppressed
Memantine Hcl Er	Memantine Hcl	27	suppressed
Ropinirole Hcl	Ropinirole Hcl	27	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	18
Dicyclomine Hcl	Dicyclomine Hcl	26	suppressed
Nystop	Nystatin	26	suppressed
Novolin 70-30 Flexpen	Insulin Nph Hum/Reg Insulin Hm	25	suppressed
Dulera	Mometasone/Formoterol	24	suppressed
Jardiance	Empagliflozin	24	suppressed
Metolazone	Metolazone	24	suppressed
Propranolol Hcl	Propranolol Hcl	24	suppressed
Bupropion Xl	Bupropion Hcl	23	suppressed
Cefpodoxime Proxetil	Cefpodoxime Proxetil	23	14
Ertapenem	Ertapenem Sodium	23	suppressed
Metformin Hcl Er	Metformin Hcl	23	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	23	suppressed
Rexulti	Brexpiprazole	23	suppressed
Diclofenac Sodium	Diclofenac Sodium	22	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	22	suppressed
Fluconazole	Fluconazole	22	20
Pilocarpine Hcl	Pilocarpine Hcl	22	suppressed
Azithromycin	Azithromycin	21	12
Heparin Sodium	Heparin Sodium,porcine	21	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	21	suppressed
Invega Sustenna	Paliperidone Palmitate	21	suppressed
Risperdal Consta	Risperidone Microspheres	21	suppressed
Tacrolimus	Tacrolimus	21	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	21	suppressed
Cyclosporine	Cyclosporine	20	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	20	suppressed
Primidone	Primidone	20	suppressed
Rytary	Carbidopa/Levodopa	20	suppressed
Brilinta	Ticagrelor	19	suppressed
Fluphenazine Hcl	Fluphenazine Hcl	19	suppressed
Glimepiride	Glimepiride	19	suppressed
Sevelamer Carbonate	Sevelamer Carbonate	19	suppressed
Combigan	Brimonidine Tartrate/Timolol	18	suppressed
Securesafe Pen Needle	Pen Needle, Diabetic, Safety	18	suppressed
Atrovent Hfa	Ipratropium Bromide	17	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	17	suppressed
Clobetasol Propionate	Clobetasol Propionate	17	suppressed
Clotrimazole	Clotrimazole	17	suppressed
Mounjaro	Tirzepatide	17	suppressed
Mupirocin	Mupirocin Calcium	17	suppressed
Theophylline Er	Theophylline Anhydrous	17	suppressed
Fluticasone Propionate	Fluticasone Propionate	16	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	16	suppressed
Phenytek	Phenytoin Sodium Extended	16	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	15	suppressed
Atenolol	Atenolol	15	suppressed
Betamethasone Valerate	Betamethasone Valerate	15	suppressed
Dabigatran Etexilate	Dabigatran Etexilate Mesylate	15	suppressed
Insulin Aspart Prot Mix 70-30	Insulin Aspart Prot/Insuln Asp	15	suppressed
Meclizine Hcl	Meclizine Hcl	15	suppressed
Mesalamine	Mesalamine	15	suppressed
Myrbetriq	Mirabegron	15	suppressed
Admelog	Insulin Lispro	14	suppressed
Alprazolam	Alprazolam	14	suppressed
Arnuity Ellipta	Fluticasone Furoate	14	suppressed
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Colchicine	Colchicine	14	suppressed
Levemir	Insulin Detemir	14	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	14	suppressed
Metronidazole	Metronidazole	14	suppressed
Ozempic	Semaglutide	14	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	14	suppressed
Trihexyphenidyl Hcl	Trihexyphenidyl Hcl	14	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	14	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Austedo	Deutetrabenazine	13	suppressed
Ezetimibe	Ezetimibe	13	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	13	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	13	suppressed
Risperidone Odt	Risperidone	13	suppressed
Sevelamer Hcl	Sevelamer Hcl	13	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	13	suppressed
Amoxicillin	Amoxicillin	12	suppressed
Bicalutamide	Bicalutamide	12	suppressed
Budesonide Er	Budesonide	12	suppressed
Doxepin Hcl	Doxepin Hcl	12	suppressed
Dupixent Syringe	Dupilumab	12	suppressed
Galantamine Hbr	Galantamine Hbr	12	suppressed
Glycopyrrolate	Glycopyrrolate	12	suppressed
Lurasidone Hcl	Lurasidone Hcl	12	suppressed
Nuplazid	Pimavanserin Tartrate	12	suppressed
Piperacillin-Tazobactam	Piperacillin Sodium/Tazobactam	12	suppressed
Prednisolone Acetate	Prednisolone Acetate	12	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	12	suppressed
Rasagiline Mesylate	Rasagiline Mesylate	12	suppressed
Retacrit	Epoetin Alfa-Epbx	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	11	suppressed
Chlorthalidone	Chlorthalidone	11	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	11	suppressed
Glipizide-Metformin	Glipizide/Metformin Hcl	11	suppressed
Haloperidol Lactate	Haloperidol Lactate	11	suppressed
Letrozole	Letrozole	11	suppressed
Rocklatan	Netarsudil Mesylat/Latanoprost	11	suppressed
Travoprost	Travoprost	11	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	11	suppressed
Vancomycin Hcl	Vancomycin 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