Healthcare provider profile · identity verified

David Karam, M.D.

Internal Medicine · PORTLAND, OR · NPI 1538447677

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	526	140
Amlodipine Besylate	Amlodipine Besylate	349	96
Losartan Potassium	Losartan Potassium	308	88
Levothyroxine Sodium	Levothyroxine Sodium	283	75
Lisinopril	Lisinopril	283	77
Omeprazole	Omeprazole	232	55
Trazodone Hcl	Trazodone Hcl	229	53
Metoprolol Succinate	Metoprolol Succinate	171	42
Rosuvastatin Calcium	Rosuvastatin Calcium	168	49
Gabapentin	Gabapentin	159	53
Metformin Hcl	Metformin Hcl	135	34
Oxycodone Hcl	Oxycodone Hcl	125	26
Hydrochlorothiazide	Hydrochlorothiazide	119	36
Tamsulosin Hcl	Tamsulosin Hcl	110	30
Metformin Hcl Er	Metformin Hcl	108	27
Duloxetine Hcl	Duloxetine Hcl	96	32
Eliquis	Apixaban	87	23
Fluoxetine Hcl	Fluoxetine Hcl	86	23
Pantoprazole Sodium	Pantoprazole Sodium	81	20
Furosemide	Furosemide	80	23
Zolpidem Tartrate	Zolpidem Tartrate	79	18
Allopurinol	Allopurinol	77	23
Pravastatin Sodium	Pravastatin Sodium	72	21
Atenolol	Atenolol	71	13
Sertraline Hcl	Sertraline Hcl	71	22
Spironolactone	Spironolactone	66	18
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	64	23
Famotidine	Famotidine	62	20
Albuterol Sulfate Hfa	Albuterol Sulfate	60	26
Ozempic	Semaglutide	57	12
Pregabalin	Pregabalin	55	suppressed
Clopidogrel	Clopidogrel Bisulfate	53	15
Finasteride	Finasteride	52	13
Metoprolol Tartrate	Metoprolol Tartrate	52	17
Alendronate Sodium	Alendronate Sodium	50	17
Buspirone Hcl	Buspirone Hcl	50	suppressed
Citalopram Hbr	Citalopram Hydrobromide	49	14
Simvastatin	Simvastatin	48	15
Jardiance	Empagliflozin	47	14
Mirtazapine	Mirtazapine	47	15
Ondansetron Odt	Ondansetron	47	17
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	44	12
Bupropion Xl	Bupropion Hcl	43	14
Quetiapine Fumarate	Quetiapine Fumarate	43	11
Tramadol Hcl	Tramadol Hcl	43	suppressed
Celecoxib	Celecoxib	42	11
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	42	13
Escitalopram Oxalate	Escitalopram Oxalate	41	11
Lovastatin	Lovastatin	41	12
Alfuzosin Hcl Er	Alfuzosin Hcl	39	14
Clonazepam	Clonazepam	38	12
Fluticasone Propionate	Fluticasone Propionate	37	15
Potassium Chloride	Potassium Chloride	37	suppressed
Paroxetine Hcl	Paroxetine Hcl	35	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	34	suppressed
Meloxicam	Meloxicam	34	suppressed
Valacyclovir	Valacyclovir Hcl	34	13
Topiramate	Topiramate	33	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	33	13
Ezetimibe	Ezetimibe	32	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	31	suppressed
Memantine Hcl	Memantine Hcl	31	suppressed
Torsemide	Torsemide	31	suppressed
Carvedilol	Carvedilol	30	12
Glimepiride	Glimepiride	30	suppressed
Ketoconazole	Ketoconazole	29	13
Doxepin Hcl	Doxepin Hcl	28	suppressed
Montelukast Sodium	Montelukast Sodium	28	13
Acetaminophen-Codeine	Acetaminophen With Codeine	27	suppressed
Alprazolam	Alprazolam	27	suppressed
Donepezil Hcl	Donepezil Hcl	27	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	26	13
Xarelto	Rivaroxaban	25	suppressed
Acyclovir	Acyclovir	24	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	24	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	23	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	22	suppressed
Cephalexin	Cephalexin	22	16
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	22	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	21	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	21	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	20	suppressed
Irbesartan	Irbesartan	20	suppressed
Midodrine Hcl	Midodrine Hcl	20	suppressed
Warfarin Sodium	Warfarin Sodium	20	suppressed
Baclofen	Baclofen	19	suppressed
Farxiga	Dapagliflozin Propanediol	19	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	19	14
Telmisartan	Telmisartan	19	suppressed
Azithromycin	Azithromycin	18	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	18	17
Propranolol Hcl	Propranolol Hcl	18	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Ventolin Hfa	Albuterol Sulfate	17	suppressed
Chlorthalidone	Chlorthalidone	16	suppressed
Glipizide	Glipizide	16	suppressed
Hydrocortisone	Hydrocortisone	16	suppressed
Latanoprost	Latanoprost	16	suppressed
Lorazepam	Lorazepam	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	suppressed
Valsartan	Valsartan	16	suppressed
Synthroid	Levothyroxine Sodium	15	suppressed
Trospium Chloride	Trospium Chloride	15	12
Ibuprofen	Ibuprofen	14	suppressed
Januvia	Sitagliptin Phosphate	14	suppressed
Rizatriptan	Rizatriptan Benzoate	14	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	13	suppressed
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	13	13
Glipizide Er	Glipizide	13	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	13	suppressed
Prednisone	Prednisone	13	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	12	12
Estradiol	Estradiol	12	suppressed
Levetiracetam	Levetiracetam	12	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	12	suppressed
Mupirocin	Mupirocin	12	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	12	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	11	suppressed
Labetalol Hcl	Labetalol Hcl	11	suppressed
Lansoprazole	Lansoprazole	11	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Nystatin	Nystatin	11	suppressed
Ropinirole Hcl	Ropinirole 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