Healthcare provider profile · identity verified

John Brian Chan Lim, MD

Internal Medicine · SAN ANTONIO, TX · NPI 1265767768

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	373	133
Rosuvastatin Calcium	Rosuvastatin Calcium	310	109
Atorvastatin Calcium	Atorvastatin Calcium	303	110
Levothyroxine Sodium	Levothyroxine Sodium	276	81
Lisinopril	Lisinopril	255	88
Losartan Potassium	Losartan Potassium	227	74
Gabapentin	Gabapentin	185	70
Jardiance	Empagliflozin	154	42
Duloxetine Hcl	Duloxetine Hcl	149	54
Omeprazole	Omeprazole	129	52
Montelukast Sodium	Montelukast Sodium	120	41
Ozempic	Semaglutide	119	22
Trazodone Hcl	Trazodone Hcl	119	36
Metformin Hcl	Metformin Hcl	112	34
Tizanidine Hcl	Tizanidine Hcl	105	47
Chlorthalidone	Chlorthalidone	101	39
Simvastatin	Simvastatin	100	33
Hydrochlorothiazide	Hydrochlorothiazide	98	34
Albuterol Sulfate Hfa	Albuterol Sulfate	93	41
Metformin Hcl Er	Metformin Hcl	91	34
Metoprolol Succinate	Metoprolol Succinate	91	32
Sertraline Hcl	Sertraline Hcl	85	39
Pantoprazole Sodium	Pantoprazole Sodium	84	32
Tamsulosin Hcl	Tamsulosin Hcl	81	26
Glimepiride	Glimepiride	80	24
Prednisone	Prednisone	76	52
Azithromycin	Azithromycin	74	61
Carvedilol	Carvedilol	74	25
Ciprofloxacin Hcl	Ciprofloxacin Hcl	74	55
Alendronate Sodium	Alendronate Sodium	73	28
Pravastatin Sodium	Pravastatin Sodium	71	26
Tramadol Hcl	Tramadol Hcl	63	24
Famotidine	Famotidine	61	31
Meloxicam	Meloxicam	60	23
Fluticasone Propionate	Fluticasone Propionate	58	32
Eliquis	Apixaban	56	14
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	55	16
Mounjaro	Tirzepatide	55	suppressed
Allopurinol	Allopurinol	54	20
Pioglitazone Hcl	Pioglitazone Hcl	54	19
Vitamin D2	Ergocalciferol (Vitamin D2)	54	16
Furosemide	Furosemide	53	19
Metoprolol Tartrate	Metoprolol Tartrate	49	18
Mirtazapine	Mirtazapine	44	12
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	39	34
Oxybutynin Chloride	Oxybutynin Chloride	38	11
Clopidogrel	Clopidogrel Bisulfate	37	12
Rybelsus	Semaglutide	35	11
Escitalopram Oxalate	Escitalopram Oxalate	34	12
Ropinirole Hcl	Ropinirole Hcl	34	suppressed
Valacyclovir	Valacyclovir Hcl	34	15
Ezetimibe	Ezetimibe	33	13
Propranolol Hcl	Propranolol Hcl	33	12
Glipizide	Glipizide	32	11
Hydralazine Hcl	Hydralazine Hcl	32	15
Alprazolam	Alprazolam	31	12
Azelastine Hcl	Azelastine Hcl	31	12
Potassium Chloride	Potassium Chloride	31	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	28	11
Valsartan	Valsartan	28	suppressed
Ondansetron Hcl	Ondansetron Hcl	27	19
Olmesartan Medoxomil	Olmesartan Medoxomil	26	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	25	20
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	25	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	25	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	25	suppressed
Donepezil Hcl	Donepezil Hcl	24	suppressed
Nifedipine Er	Nifedipine	24	suppressed
Atenolol	Atenolol	23	suppressed
Baclofen	Baclofen	23	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	23	23
Torsemide	Torsemide	23	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	22	12
Zolpidem Tartrate	Zolpidem Tartrate	22	suppressed
Clonazepam	Clonazepam	21	suppressed
Enalapril Maleate	Enalapril Maleate	21	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	20	11
Meclizine Hcl	Meclizine Hcl	20	12
Mupirocin	Mupirocin	20	15
Oxycodone Hcl	Oxycodone Hcl	20	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	20	suppressed
Acyclovir	Acyclovir	19	suppressed
Buspirone Hcl	Buspirone Hcl	19	suppressed
Folic Acid	Folic Acid	19	suppressed
Myrbetriq	Mirabegron	19	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	19	suppressed
Ramipril	Ramipril	18	suppressed
Soliqua 100-33	Insulin Glargine/Lixisenatide	18	suppressed
Bupropion Xl	Bupropion Hcl	17	suppressed
Citalopram Hbr	Citalopram Hydrobromide	17	suppressed
Irbesartan	Irbesartan	17	suppressed
Synthroid	Levothyroxine Sodium	17	suppressed
Colchicine	Colchicine	16	suppressed
Januvia	Sitagliptin Phosphate	16	suppressed
Methylprednisolone	Methylprednisolone	16	15
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	16	suppressed
Warfarin Sodium	Warfarin Sodium	16	suppressed
Xarelto	Rivaroxaban	16	suppressed
Bupropion Hcl Sr	Bupropion Hcl	15	suppressed
Cephalexin	Cephalexin	15	12
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	15	suppressed
Glipizide Er	Glipizide	15	suppressed
Ibuprofen	Ibuprofen	15	11
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	15	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	14	suppressed
Spironolactone	Spironolactone	14	suppressed
Finasteride	Finasteride	13	suppressed
Fluconazole	Fluconazole	13	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	13	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	13	suppressed
Memantine Hcl	Memantine Hcl	13	suppressed
Ondansetron Odt	Ondansetron	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	suppressed
Farxiga	Dapagliflozin Propanediol	12	suppressed
Lovastatin	Lovastatin	12	suppressed
Pregabalin	Pregabalin	12	suppressed
Temazepam	Temazepam	12	suppressed
Topiramate	Topiramate	12	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	12	suppressed
Aripiprazole	Aripiprazole	11	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	11	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	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