Healthcare provider profile · identity verified

Helge Johannessen, MD

Internal Medicine · WALNUT CREEK, CA · NPI 1295813392

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

BrandGenericClaimsBeneficiaries
Atorvastatin CalciumAtorvastatin Calcium613229
Amlodipine BesylateAmlodipine Besylate313117
AtenololAtenolol309105
LisinoprilLisinopril28496
Levothyroxine SodiumLevothyroxine Sodium27891
Losartan PotassiumLosartan Potassium17765
Pantoprazole SodiumPantoprazole Sodium15451
Fluticasone PropionateFluticasone Propionate15261
Tamsulosin HclTamsulosin Hcl15050
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14631
SimvastatinSimvastatin14648
HydrochlorothiazideHydrochlorothiazide13851
Terazosin HclTerazosin Hcl11141
Albuterol Sulfate HfaAlbuterol Sulfate9657
FamotidineFamotidine8220
Trazodone HclTrazodone Hcl8132
GabapentinGabapentin8029
AlvescoCiclesonide7831
Alendronate SodiumAlendronate Sodium7426
Metoprolol TartrateMetoprolol Tartrate7125
Metformin Hcl ErMetformin Hcl6927
Tizanidine HclTizanidine Hcl6823
AllopurinolAllopurinol6621
Metoprolol SuccinateMetoprolol Succinate6426
LorazepamLorazepam6023
Metformin HclMetformin Hcl5924
FurosemideFurosemide5721
OmeprazoleOmeprazole5416
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5018
LovastatinLovastatin5017
FinasterideFinasteride4714
PradaxaDabigatran Etexilate Mesylate4618
Triamcinolone AcetonideTriamcinolone Acetonide4522
FluocinonideFluocinonide4318
Rosuvastatin CalciumRosuvastatin Calcium4115
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen40suppressed
TemazepamTemazepam40suppressed
Sertraline HclSertraline Hcl3913
AzithromycinAzithromycin3731
GlipizideGlipizide3714
MeloxicamMeloxicam3722
Wixela InhubFluticasone Propion/Salmeterol3612
Hydralazine HclHydralazine Hcl3412
IbuprofenIbuprofen3417
AmoxicillinAmoxicillin3318
ColchicineColchicine3314
Fluoxetine HclFluoxetine Hcl3311
ClopidogrelClopidogrel Bisulfate32suppressed
CarvedilolCarvedilol3015
Glipizide ErGlipizide29suppressed
Ipratropium BromideIpratropium Bromide28suppressed
Potassium ChloridePotassium Chloride2612
Duloxetine HclDuloxetine Hcl25suppressed
Escitalopram OxalateEscitalopram Oxalate23suppressed
AcyclovirAcyclovir2212
Citalopram HbrCitalopram Hydrobromide21suppressed
Ondansetron OdtOndansetron21suppressed
PrednisonePrednisone2116
Ropinirole HclRopinirole Hcl20suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf1917
Propranolol Hcl ErPropranolol Hcl18suppressed
Sumatriptan SuccinateSumatriptan Succinate18suppressed
Warfarin SodiumWarfarin Sodium18suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1714
Azelastine HclAzelastine Hcl17suppressed
JardianceEmpagliflozin17suppressed
RizatriptanRizatriptan Benzoate17suppressed
Spiriva RespimatTiotropium Bromide17suppressed
LactuloseLactulose16suppressed
MetronidazoleMetronidazole1612
AlprazolamAlprazolam15suppressed
Acetaminophen-CodeineAcetaminophen With Codeine14suppressed
CefadroxilCefadroxil1411
EliquisApixaban14suppressed
EzetimibeEzetimibe14suppressed
HydrocortisoneHydrocortisone14suppressed
LatanoprostLatanoprost14suppressed
BaclofenBaclofen13suppressed
MirtazapineMirtazapine13suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1212
Midodrine HclMidodrine Hcl12suppressed
Pravastatin SodiumPravastatin Sodium12suppressed
Advair HfaFluticasone Propion/Salmeterol11suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac1111
Ciprofloxacin HclCiprofloxacin Hcl1111
DigoxinDigoxin11suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1111
EtodolacEtodolac11suppressed
FluorouracilFluorouracil11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
Montelukast SodiumMontelukast Sodium11suppressed
NaproxenNaproxen11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed
Zolpidem TartrateZolpidem Tartrate11suppressed

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.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
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