Healthcare provider profile · identity verified

Shivan Kulasingham, MD

Internal Medicine · DETROIT LAKES, MN · NPI 1558318428

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
Amlodipine Besylate	Amlodipine Besylate	734	194
Losartan Potassium	Losartan Potassium	673	180
Rosuvastatin Calcium	Rosuvastatin Calcium	622	175
Atorvastatin Calcium	Atorvastatin Calcium	573	153
Metoprolol Succinate	Metoprolol Succinate	522	124
Furosemide	Furosemide	461	115
Pantoprazole Sodium	Pantoprazole Sodium	432	119
Levothyroxine Sodium	Levothyroxine Sodium	349	75
Tamsulosin Hcl	Tamsulosin Hcl	340	88
Omeprazole	Omeprazole	332	89
Lisinopril	Lisinopril	310	92
Metformin Hcl	Metformin Hcl	287	84
Eliquis	Apixaban	263	50
Gabapentin	Gabapentin	255	75
Allopurinol	Allopurinol	236	60
Glipizide Er	Glipizide	236	57
Citalopram Hbr	Citalopram Hydrobromide	218	44
Simvastatin	Simvastatin	203	49
Montelukast Sodium	Montelukast Sodium	193	47
Trazodone Hcl	Trazodone Hcl	176	47
Warfarin Sodium	Warfarin Sodium	173	44
Metoprolol Tartrate	Metoprolol Tartrate	169	42
Mirtazapine	Mirtazapine	152	32
Prednisone	Prednisone	150	90
Fluticasone Propionate	Fluticasone Propionate	143	46
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	140	38
Carvedilol	Carvedilol	139	30
Potassium Chloride	Potassium Chloride	134	35
Hydrochlorothiazide	Hydrochlorothiazide	124	36
Metformin Hcl Er	Metformin Hcl	120	35
Finasteride	Finasteride	116	31
Clopidogrel	Clopidogrel Bisulfate	115	27
Klor-Con M20	Potassium Chloride	110	26
Pravastatin Sodium	Pravastatin Sodium	108	31
Famotidine	Famotidine	99	15
Ozempic	Semaglutide	98	16
Atenolol	Atenolol	97	28
Donepezil Hcl	Donepezil Hcl	91	21
Spironolactone	Spironolactone	91	25
Isosorbide Mononitrate Er	Isosorbide Mononitrate	84	19
Jardiance	Empagliflozin	84	22
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	84	25
Celecoxib	Celecoxib	82	26
Triamcinolone Acetonide	Triamcinolone Acetonide	80	40
Doxazosin Mesylate	Doxazosin Mesylate	76	22
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	73	suppressed
Oxycodone Hcl	Oxycodone Hcl	69	13
Fluoxetine Hcl	Fluoxetine Hcl	68	15
Venlafaxine Hcl Er	Venlafaxine Hcl	68	13
Alprazolam	Alprazolam	67	16
Ezetimibe	Ezetimibe	65	22
Ventolin Hfa	Albuterol Sulfate	65	18
Escitalopram Oxalate	Escitalopram Oxalate	64	17
Paroxetine Hcl	Paroxetine Hcl	64	11
Memantine Hcl	Memantine Hcl	63	suppressed
Labetalol Hcl	Labetalol Hcl	62	16
Duloxetine Hcl	Duloxetine Hcl	61	16
Methotrexate	Methotrexate Sodium	60	suppressed
Sertraline Hcl	Sertraline Hcl	57	17
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	56	15
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	54	14
Lovastatin	Lovastatin	54	suppressed
Ropinirole Hcl	Ropinirole Hcl	53	16
Lorazepam	Lorazepam	49	suppressed
Propranolol Hcl	Propranolol Hcl	49	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	48	12
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	47	12
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	47	14
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	46	suppressed
Pregabalin	Pregabalin	45	11
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	44	suppressed
Trulicity	Dulaglutide	44	suppressed
Tizanidine Hcl	Tizanidine Hcl	41	13
Tolterodine Tartrate Er	Tolterodine Tartrate	40	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	39	25
Bupropion Xl	Bupropion Hcl	39	14
Xarelto	Rivaroxaban	39	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	36	30
Synthroid	Levothyroxine Sodium	36	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	36	14
Doxycycline Monohydrate	Doxycycline Monohydrate	34	31
Meloxicam	Meloxicam	33	13
Alendronate Sodium	Alendronate Sodium	31	11
Tramadol Hcl	Tramadol Hcl	31	suppressed
Baclofen	Baclofen	28	suppressed
Ondansetron Hcl	Ondansetron Hcl	28	suppressed
Acyclovir	Acyclovir	27	suppressed
Amoxicillin	Amoxicillin	27	11
Digoxin	Digoxin	27	suppressed
Nitroglycerin	Nitroglycerin	27	21
Cephalexin	Cephalexin	26	24
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	26	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	26	20
Dulera	Mometasone/Formoterol	25	suppressed
Sucralfate	Sucralfate	25	11
Propranolol Hcl Er	Propranolol Hcl	24	suppressed
Azelastine Hcl	Azelastine Hcl	23	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	23	18
Clonazepam	Clonazepam	23	suppressed
Januvia	Sitagliptin Phosphate	23	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	23	suppressed
Breo Ellipta	Fluticasone/Vilanterol	22	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	22	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	22	suppressed
Benazepril Hcl	Benazepril Hcl	21	suppressed
Diclofenac Sodium	Diclofenac Sodium	21	16
Oxybutynin Chloride Er	Oxybutynin Chloride	21	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	21	suppressed
Terazosin Hcl	Terazosin Hcl	21	suppressed
Lactulose	Lactulose	20	suppressed
Gemfibrozil	Gemfibrozil	19	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	19	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	18	16
Azithromycin	Azithromycin	18	12
Bumetanide	Bumetanide	18	suppressed
Diazepam	Diazepam	18	suppressed
Fluconazole	Fluconazole	18	13
Hydralazine Hcl	Hydralazine Hcl	18	suppressed
Incruse Ellipta	Umeclidinium Bromide	18	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	18	suppressed
Bupropion Hcl Sr	Bupropion Hcl	17	suppressed
Clotrimazole	Clotrimazole	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Jantoven	Warfarin Sodium	16	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	16	14
Levofloxacin	Levofloxacin	15	14
Loperamide	Loperamide Hcl	15	suppressed
Buspirone Hcl	Buspirone Hcl	14	suppressed
Fentanyl	Fentanyl	14	suppressed
Glipizide	Glipizide	14	suppressed
Nystatin	Nystatin	14	11
Sotalol	Sotalol Hcl	14	suppressed
Sulfasalazine	Sulfasalazine	14	suppressed
Tresiba Flextouch U-100	Insulin Degludec	14	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	13	suppressed
Anastrozole	Anastrozole	13	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	13	suppressed
Chlorthalidone	Chlorthalidone	13	suppressed
Clobetasol Propionate	Clobetasol Propionate	13	suppressed
Diovan	Valsartan	13	suppressed
Entresto	Sacubitril/Valsartan	13	suppressed
Humira Pen	Adalimumab	13	suppressed
Ibuprofen	Ibuprofen	13	suppressed
Ipratropium Bromide	Ipratropium Bromide	13	suppressed
Irbesartan	Irbesartan	13	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	13	suppressed
Tiadylt Er	Diltiazem Hcl	12	suppressed
Trihexyphenidyl Hcl	Trihexyphenidyl Hcl	12	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	11	suppressed
Cefdinir	Cefdinir	11	suppressed
Colchicine	Colchicine	11	suppressed
Fluocinonide	Fluocinonide	11	suppressed
Latanoprost	Latanoprost	11	suppressed
Nifedipine Er	Nifedipine	11	suppressed
Novolog Flexpen	Insulin Aspart	11	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	11	11
Spiriva Respimat	Tiotropium Bromide	11	suppressed
Temazepam	Temazepam	11	suppressed
Topiramate	Topiramate	11	suppressed
Torsemide	Torsemide	11	suppressed
Zafirlukast	Zafirlukast	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