Healthcare provider profile · identity verified

Caj Johansson, MD

Family Practice · KNOXVILLE, TN · NPI 1437611431

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	438	148
Levothyroxine Sodium	Levothyroxine Sodium	259	76
Amlodipine Besylate	Amlodipine Besylate	241	86
Lisinopril	Lisinopril	216	62
Gabapentin	Gabapentin	172	42
Albuterol Sulfate Hfa	Albuterol Sulfate	158	54
Pantoprazole Sodium	Pantoprazole Sodium	155	58
Rosuvastatin Calcium	Rosuvastatin Calcium	154	53
Losartan Potassium	Losartan Potassium	134	50
Omeprazole	Omeprazole	124	39
Metformin Hcl Er	Metformin Hcl	113	41
Ozempic	Semaglutide	105	24
Metformin Hcl	Metformin Hcl	93	27
Eliquis	Apixaban	92	25
Tamsulosin Hcl	Tamsulosin Hcl	89	32
Metoprolol Succinate	Metoprolol Succinate	87	30
Fluticasone Propionate	Fluticasone Propionate	86	28
Sertraline Hcl	Sertraline Hcl	80	23
Trazodone Hcl	Trazodone Hcl	76	28
Hydroxyzine Hcl	Hydroxyzine Hcl	75	22
Famotidine	Famotidine	74	20
Simvastatin	Simvastatin	74	23
Pravastatin Sodium	Pravastatin Sodium	73	27
Alendronate Sodium	Alendronate Sodium	71	27
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	71	18
Methocarbamol	Methocarbamol	67	23
Hydrochlorothiazide	Hydrochlorothiazide	65	28
Duloxetine Hcl	Duloxetine Hcl	61	21
Escitalopram Oxalate	Escitalopram Oxalate	59	19
Allopurinol	Allopurinol	56	21
Zolpidem Tartrate	Zolpidem Tartrate	53	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	52	13
Glimepiride	Glimepiride	51	17
Ezetimibe	Ezetimibe	50	19
Furosemide	Furosemide	49	18
Irbesartan	Irbesartan	49	17
Spironolactone	Spironolactone	49	17
Meloxicam	Meloxicam	46	14
Mounjaro	Tirzepatide	46	suppressed
Ondansetron Hcl	Ondansetron Hcl	46	14
Oxybutynin Chloride Er	Oxybutynin Chloride	45	12
Tizanidine Hcl	Tizanidine Hcl	45	17
Montelukast Sodium	Montelukast Sodium	42	17
Fluoxetine Hcl	Fluoxetine Hcl	38	11
Potassium Chloride	Potassium Chloride	36	16
Valsartan	Valsartan	36	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	34	16
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	33	13
Carvedilol	Carvedilol	32	13
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	32	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	31	13
Acyclovir	Acyclovir	30	suppressed
Diclofenac Sodium	Diclofenac Sodium	30	13
Tramadol Hcl	Tramadol Hcl	29	suppressed
Buspirone Hcl	Buspirone Hcl	28	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	28	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	27	suppressed
Atenolol	Atenolol	26	11
Esomeprazole Magnesium	Esomeprazole Magnesium	26	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	25	suppressed
Farxiga	Dapagliflozin Propanediol	25	suppressed
Jardiance	Empagliflozin	24	suppressed
Pregabalin	Pregabalin	23	suppressed
Spiriva Handihaler	Tiotropium Bromide	23	suppressed
Citalopram Hbr	Citalopram Hydrobromide	22	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	22	suppressed
Alprazolam	Alprazolam	21	suppressed
Azelastine Hcl	Azelastine Hcl	21	suppressed
Baclofen	Baclofen	21	suppressed
Benazepril Hcl	Benazepril Hcl	21	suppressed
Bupropion Hcl Sr	Bupropion Hcl	21	suppressed
Folic Acid	Folic Acid	21	suppressed
Prednisone	Prednisone	21	11
Trulicity	Dulaglutide	21	suppressed
Bupropion Xl	Bupropion Hcl	20	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	20	17
Ondansetron Odt	Ondansetron	20	suppressed
Celecoxib	Celecoxib	18	suppressed
Clopidogrel	Clopidogrel Bisulfate	18	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	18	12
Amitriptyline Hcl	Amitriptyline Hcl	17	suppressed
Ibuprofen	Ibuprofen	17	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	17	suppressed
Lamotrigine	Lamotrigine	17	suppressed
Testosterone Cypionate	Testosterone Cypionate	17	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	16	suppressed
Valacyclovir	Valacyclovir Hcl	16	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	15	suppressed
Ipratropium Bromide	Ipratropium Bromide	15	suppressed
Lorazepam	Lorazepam	15	suppressed
Synthroid	Levothyroxine Sodium	15	suppressed
Bydureon Bcise	Exenatide Microspheres	14	suppressed
Lidocaine	Lidocaine	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	14	13
Doxycycline Hyclate	Doxycycline Hyclate	13	11
Lansoprazole	Lansoprazole	13	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Methylprednisolone	Methylprednisolone	13	suppressed
Mirtazapine	Mirtazapine	13	suppressed
Nifedipine Er	Nifedipine	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	11
Warfarin Sodium	Warfarin Sodium	13	suppressed
Finasteride	Finasteride	12	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	12	suppressed
Amoxicillin	Amoxicillin	11	11
Dexlansoprazole Dr	Dexlansoprazole	11	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	11	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	11	suppressed
Nystatin	Nystatin	11	suppressed
Spiriva Respimat	Tiotropium Bromide	11	suppressed
Varenicline Tartrate	Varenicline Tartrate	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