Healthcare provider profile · identity verified

Ralph C Kahler, MD

Internal Medicine · HATTIESBURG, MS · NPI 1063526895

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	632	92
Amlodipine Besylate	Amlodipine Besylate	525	75
Eliquis	Apixaban	510	37
Pantoprazole Sodium	Pantoprazole Sodium	396	72
Memantine Hcl	Memantine Hcl	391	41
Gabapentin	Gabapentin	383	50
Metoprolol Tartrate	Metoprolol Tartrate	356	52
Famotidine	Famotidine	339	46
Levothyroxine Sodium	Levothyroxine Sodium	339	48
Donepezil Hcl	Donepezil Hcl	277	44
Losartan Potassium	Losartan Potassium	223	31
Clopidogrel	Clopidogrel Bisulfate	220	31
Tamsulosin Hcl	Tamsulosin Hcl	213	31
Carvedilol	Carvedilol	201	29
Furosemide	Furosemide	196	40
Sertraline Hcl	Sertraline Hcl	196	32
Trazodone Hcl	Trazodone Hcl	191	28
Omeprazole	Omeprazole	188	29
Metformin Hcl	Metformin Hcl	179	28
Levetiracetam	Levetiracetam	173	25
Potassium Chloride	Potassium Chloride	173	30
Methenamine Hippurate	Methenamine Hippurate	169	19
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	160	28
Xarelto	Rivaroxaban	157	suppressed
Divalproex Sodium	Divalproex Sodium	148	23
Mirtazapine	Mirtazapine	135	27
Lisinopril	Lisinopril	126	21
Alendronate Sodium	Alendronate Sodium	124	25
Duloxetine Hcl	Duloxetine Hcl	123	20
Baclofen	Baclofen	118	15
Quetiapine Fumarate	Quetiapine Fumarate	108	15
Januvia	Sitagliptin Phosphate	107	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	106	17
Farxiga	Dapagliflozin Propanediol	105	suppressed
Metoprolol Succinate	Metoprolol Succinate	103	21
Allopurinol	Allopurinol	99	15
Citalopram Hbr	Citalopram Hydrobromide	93	13
Rosuvastatin Calcium	Rosuvastatin Calcium	90	15
Jardiance	Empagliflozin	79	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	79	12
Novolog	Insulin Aspart	77	18
Lantus	Insulin Glargine,hum.Rec.Anlog	75	15
Pravastatin Sodium	Pravastatin Sodium	75	suppressed
Hydralazine Hcl	Hydralazine Hcl	68	13
Hydrochlorothiazide	Hydrochlorothiazide	66	12
Myrbetriq	Mirabegron	65	suppressed
Ondansetron Hcl	Ondansetron Hcl	63	27
Risperidone	Risperidone	63	11
Fiasp	Insulin Aspart (Niacinamide)	59	11
Buspirone Hcl	Buspirone Hcl	57	suppressed
Fluticasone Propionate	Fluticasone Propionate	55	23
Megestrol Acetate	Megestrol Acetate	55	21
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	54	34
Sucralfate	Sucralfate	54	11
Cefuroxime	Cefuroxime Axetil	53	30
Tizanidine Hcl	Tizanidine Hcl	52	suppressed
Linzess	Linaclotide	51	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	49	suppressed
Olanzapine	Olanzapine	49	13
Glipizide	Glipizide	45	suppressed
Spironolactone	Spironolactone	45	suppressed
Latanoprost	Latanoprost	44	12
Meloxicam	Meloxicam	44	12
Nystatin	Nystatin	44	34
Venlafaxine Hcl Er	Venlafaxine Hcl	44	suppressed
Finasteride	Finasteride	43	suppressed
Sodium Chloride	Sodium Chloride Irrig Solution	43	suppressed
Levofloxacin	Levofloxacin	42	28
Ranolazine Er	Ranolazine	42	suppressed
Simvastatin	Simvastatin	42	suppressed
Amiodarone Hcl	Amiodarone Hcl	40	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	40	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	39	31
Prazosin Hcl	Prazosin Hcl	38	suppressed
Rivastigmine	Rivastigmine	38	suppressed
Nystop	Nystatin	37	26
Calcium Acetate	Calcium Acetate	35	suppressed
Scopolamine	Scopolamine	35	suppressed
Montelukast Sodium	Montelukast Sodium	33	suppressed
Semglee (Yfgn)	Insulin Glargine-Yfgn	33	suppressed
Fluconazole	Fluconazole	31	17
Valproic Acid	Valproic Acid (As Sodium Salt)	31	suppressed
Alprazolam	Alprazolam	30	suppressed
Divalproex Sodium Er	Divalproex Sodium	30	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	29	suppressed
Albuterol Sulfate	Albuterol Sulfate	28	suppressed
Aripiprazole	Aripiprazole	28	suppressed
Budesonide	Budesonide	28	suppressed
Gemtesa	Vibegron	28	suppressed
Propranolol Hcl	Propranolol Hcl	28	suppressed
Bupropion Xl	Bupropion Hcl	27	suppressed
Santyl	Collagenase Clostridium Hist.	27	16
Sodium Chloride	0.9 % Sodium Chloride	27	suppressed
Tresiba	Insulin Degludec	27	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	26	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	26	suppressed
Primidone	Primidone	26	suppressed
Ropinirole Hcl	Ropinirole Hcl	26	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	25	12
Benztropine Mesylate	Benztropine Mesylate	25	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	25	suppressed
Estradiol	Estradiol	25	suppressed
Valsartan	Valsartan	25	suppressed
Anastrozole	Anastrozole	24	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	24	suppressed
Ozempic	Semaglutide	24	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	24	suppressed
Clonazepam	Clonazepam	23	suppressed
Clonidine Hcl	Clonidine Hcl	23	suppressed
Nebivolol Hcl	Nebivolol Hcl	23	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	23	11
Entresto	Sacubitril/Valsartan	21	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	21	suppressed
Haloperidol	Haloperidol	21	suppressed
Irbesartan	Irbesartan	21	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Humalog	Insulin Lispro	20	suppressed
Pregabalin	Pregabalin	20	suppressed
Tramadol Hcl	Tramadol Hcl	20	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	19	suppressed
Brilinta	Ticagrelor	19	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	19	suppressed
Elmiron	Pentosan Polysulfate Sodium	19	suppressed
Glycopyrrolate	Glycopyrrolate	19	suppressed
Lacosamide	Lacosamide	19	suppressed
Prednisone	Prednisone	19	suppressed
Rivastigmine	Rivastigmine Tartrate	19	suppressed
Sevelamer Carbonate	Sevelamer Carbonate	19	suppressed
Valproic Acid	Valproic Acid	19	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	19	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	18	suppressed
Xifaxan	Rifaximin	18	suppressed
Prednisolone Acetate	Prednisolone Acetate	17	suppressed
Ezetimibe	Ezetimibe	16	suppressed
Meclizine Hcl	Meclizine Hcl	16	suppressed
Meropenem-0.9% Nacl	Meropenem-0.9% Sodium Chloride	16	suppressed
Misoprostol	Misoprostol	16	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	16	suppressed
Ciclopirox	Ciclopirox Olamine	15	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	15	13
Ketoconazole	Ketoconazole	15	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	15	suppressed
Midodrine Hcl	Midodrine Hcl	15	suppressed
Breo Ellipta	Fluticasone/Vilanterol	14	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	14	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	14	12
Cyproheptadine Hcl	Cyproheptadine Hcl	14	suppressed
Diazepam	Diazepam	14	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	14	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	14	suppressed
Trihexyphenidyl Hcl	Trihexyphenidyl Hcl	14	suppressed
Vancomycin Hcl	Vancomycin/Water For Inj (Peg)	14	suppressed
Cilostazol	Cilostazol	13	suppressed
Daptomycin	Daptomycin	13	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	13	suppressed
Eplerenone	Eplerenone	13	suppressed
Haloperidol Decanoate	Haloperidol Decanoate	13	suppressed
Lidocaine Hcl	Lidocaine Hcl	13	suppressed
Metformin Hcl Er	Metformin Hcl	13	suppressed
Naproxen	Naproxen	13	suppressed
Oxcarbazepine	Oxcarbazepine	13	suppressed
Restasis	Cyclosporine	13	suppressed
Sulindac	Sulindac	13	suppressed
Symbicort	Budesonide/Formoterol Fumarate	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	13	suppressed
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	12	suppressed
Aspirin-Dipyridamole Er	Aspirin/Dipyridamole	12	suppressed
Enalapril Maleate	Enalapril Maleate	12	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	12	suppressed
Nitroglycerin Patch	Nitroglycerin	12	suppressed
Topiramate	Topiramate	12	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	11	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Celecoxib	Celecoxib	11	suppressed
Cephalexin	Cephalexin	11	suppressed
Dantrolene Sodium	Dantrolene Sodium	11	suppressed
Diclofenac Sodium	Diclofenac Sodium	11	suppressed
Ertapenem	Ertapenem Sodium	11	suppressed
Lactulose	Lactulose	11	suppressed
Lumigan	Bimatoprost	11	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	11	suppressed
Oxycodone Hcl	Oxycodone Hcl	11	suppressed
Striverdi Respimat	Olodaterol Hcl	11	suppressed
Terbinafine Hcl	Terbinafine Hcl	11	suppressed
Torsemide	Torsemide	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