Healthcare provider profile · identity verified

Maianh Dam

Family Practice · LOMA LINDA, CA · NPI 1285194142

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	529	234
Losartan Potassium	Losartan Potassium	314	134
Levothyroxine Sodium	Levothyroxine Sodium	270	103
Amlodipine Besylate	Amlodipine Besylate	265	127
Gabapentin	Gabapentin	259	113
Lisinopril	Lisinopril	226	105
Rosuvastatin Calcium	Rosuvastatin Calcium	226	96
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	211	68
Metformin Hcl	Metformin Hcl	202	90
Hydrochlorothiazide	Hydrochlorothiazide	187	87
Eliquis	Apixaban	139	49
Tamsulosin Hcl	Tamsulosin Hcl	132	63
Trazodone Hcl	Trazodone Hcl	129	52
Omeprazole	Omeprazole	122	54
Ozempic	Semaglutide	113	32
Famotidine	Famotidine	105	55
Pantoprazole Sodium	Pantoprazole Sodium	104	47
Albuterol Sulfate Hfa	Albuterol Sulfate	101	59
Simvastatin	Simvastatin	100	35
Metoprolol Succinate	Metoprolol Succinate	98	48
Jardiance	Empagliflozin	96	33
Escitalopram Oxalate	Escitalopram Oxalate	91	43
Sertraline Hcl	Sertraline Hcl	90	30
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	88	28
Carvedilol	Carvedilol	82	33
Fluticasone Propionate	Fluticasone Propionate	79	45
Diclofenac Sodium	Diclofenac Sodium	76	41
Furosemide	Furosemide	72	39
Alendronate Sodium	Alendronate Sodium	70	18
Benazepril Hcl	Benazepril Hcl	68	28
Metoprolol Tartrate	Metoprolol Tartrate	67	31
Tramadol Hcl	Tramadol Hcl	66	27
Glipizide	Glipizide	63	31
Metformin Hcl Er	Metformin Hcl	57	28
Nifedipine Er	Nifedipine	57	21
Baclofen	Baclofen	49	21
Lidocaine	Lidocaine	49	27
Duloxetine Hcl	Duloxetine Hcl	48	24
Clopidogrel	Clopidogrel Bisulfate	47	24
Finasteride	Finasteride	47	19
Gavilyte-G	Peg3350/Sod Sulf,bicarb,cl/Kcl	47	45
Ibuprofen	Ibuprofen	46	26
Pravastatin Sodium	Pravastatin Sodium	46	18
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	45	16
Zolpidem Tartrate	Zolpidem Tartrate	45	20
Memantine Hcl	Memantine Hcl	43	suppressed
Potassium Chloride	Potassium Chloride	43	17
Pregabalin	Pregabalin	43	11
Ketoconazole	Ketoconazole	41	20
Bupropion Xl	Bupropion Hcl	40	17
Meloxicam	Meloxicam	39	16
Methocarbamol	Methocarbamol	38	25
Pioglitazone Hcl	Pioglitazone Hcl	38	17
Allopurinol	Allopurinol	37	15
Donepezil Hcl	Donepezil Hcl	37	14
Fluoxetine Hcl	Fluoxetine Hcl	36	14
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	36	16
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	35	14
Cephalexin	Cephalexin	34	29
Januvia	Sitagliptin Phosphate	33	18
Oxycodone Hcl	Oxycodone Hcl	32	14
Hydroxyzine Hcl	Hydroxyzine Hcl	31	16
Olmesartan Medoxomil	Olmesartan Medoxomil	30	12
Citalopram Hbr	Citalopram Hydrobromide	28	16
Lantus	Insulin Glargine,hum.Rec.Anlog	28	suppressed
Trulicity	Dulaglutide	28	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	27	12
Peg-3350 And Electrolytes	Peg3350/Sod Sulf,bicarb,cl/Kcl	27	25
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	27	13
Quetiapine Fumarate	Quetiapine Fumarate	27	suppressed
Clonazepam	Clonazepam	26	suppressed
Naproxen	Naproxen	26	16
Sildenafil Citrate	Sildenafil Citrate	26	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	25	suppressed
Warfarin Sodium	Warfarin Sodium	25	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	24	19
Divalproex Sodium	Divalproex Sodium	24	suppressed
Lorazepam	Lorazepam	24	13
Oxybutynin Chloride	Oxybutynin Chloride	24	13
Triamcinolone Acetonide	Triamcinolone Acetonide	24	18
Ciclopirox	Ciclopirox	23	20
Farxiga	Dapagliflozin Propanediol	23	suppressed
Montelukast Sodium	Montelukast Sodium	23	14
Oxybutynin Chloride Er	Oxybutynin Chloride	23	11
Alprazolam	Alprazolam	22	15
Buspirone Hcl	Buspirone Hcl	22	12
Ezetimibe	Ezetimibe	22	11
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	22	13
Atenolol	Atenolol	21	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	20	suppressed
Latanoprost	Latanoprost	20	suppressed
Spironolactone	Spironolactone	20	suppressed
Glipizide Er	Glipizide	19	11
Humalog Kwikpen U-100	Insulin Lispro	19	suppressed
Hydrocortisone	Hydrocortisone	19	15
Levetiracetam	Levetiracetam	19	suppressed
Mirtazapine	Mirtazapine	19	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	19	18
Olanzapine	Olanzapine	19	suppressed
Xarelto	Rivaroxaban	19	suppressed
Myrbetriq	Mirabegron	18	suppressed
Chlorthalidone	Chlorthalidone	17	suppressed
Lovastatin	Lovastatin	17	suppressed
Meclizine Hcl	Meclizine Hcl	17	suppressed
Risperidone	Risperidone	17	suppressed
Tizanidine Hcl	Tizanidine Hcl	17	suppressed
Estradiol	Estradiol	16	suppressed
Prednisone	Prednisone	16	13
Azelastine Hcl	Azelastine Hcl	15	12
Isosorbide Mononitrate Er	Isosorbide Mononitrate	15	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	15	suppressed
Morphine Sulfate Er	Morphine Sulfate	15	suppressed
Ondansetron Odt	Ondansetron	15	suppressed
Azithromycin	Azithromycin	14	12
Entresto	Sacubitril/Valsartan	14	suppressed
Hydralazine Hcl	Hydralazine Hcl	14	suppressed
Terazosin Hcl	Terazosin Hcl	14	suppressed
Valacyclovir	Valacyclovir Hcl	14	suppressed
Bumetanide	Bumetanide	13	suppressed
Bupropion Hcl Sr	Bupropion Hcl	13	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	13	suppressed
Ondansetron Hcl	Ondansetron Hcl	12	suppressed
Paroxetine Hcl	Paroxetine Hcl	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Synthroid	Levothyroxine Sodium	12	suppressed
Valsartan	Valsartan	12	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	12	suppressed
Acyclovir	Acyclovir	11	suppressed
Amantadine	Amantadine Hcl	11	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	11	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	11	suppressed
Naloxone Hcl	Naloxone Hcl	11	11
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	11	suppressed
Nystatin	Nystatin	11	suppressed
Ramipril	Ramipril	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