Healthcare provider profile · identity verified

Derek Robert Blechinger, M.D.

Internal Medicine · SAN FRANCISCO, CA · NPI 1063839462

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 Calcium27182
LisinoprilLisinopril16851
Amlodipine BesylateAmlodipine Besylate16547
AcyclovirAcyclovir9125
Levothyroxine SodiumLevothyroxine Sodium8518
Terazosin HclTerazosin Hcl8425
Tamsulosin HclTamsulosin Hcl8127
Losartan PotassiumLosartan Potassium7723
Trazodone HclTrazodone Hcl7523
GabapentinGabapentin7326
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7027
Fluticasone PropionateFluticasone Propionate6720
OmeprazoleOmeprazole6320
MirtazapineMirtazapine6120
FamotidineFamotidine5519
AtenololAtenolol5315
Metformin Hcl ErMetformin Hcl4815
AllopurinolAllopurinol4713
HydrochlorothiazideHydrochlorothiazide4617
SimvastatinSimvastatin4514
Bupropion XlBupropion Hcl4412
Albuterol Sulfate HfaAlbuterol Sulfate4319
FurosemideFurosemide4018
Rosuvastatin CalciumRosuvastatin Calcium3613
Metformin HclMetformin Hcl3511
Metoprolol SuccinateMetoprolol Succinate3512
AlvescoCiclesonide33suppressed
FinasterideFinasteride32suppressed
Metoprolol TartrateMetoprolol Tartrate31suppressed
IbuprofenIbuprofen30suppressed
CarvedilolCarvedilol29suppressed
JardianceEmpagliflozin28suppressed
Wixela InhubFluticasone Propion/Salmeterol28suppressed
Montelukast SodiumMontelukast Sodium26suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala24suppressed
LovastatinLovastatin24suppressed
Propranolol HclPropranolol Hcl22suppressed
OzempicSemaglutide21suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine20suppressed
Duloxetine HclDuloxetine Hcl20suppressed
Pantoprazole SodiumPantoprazole Sodium20suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate19suppressed
LorazepamLorazepam19suppressed
TestosteroneTestosterone19suppressed
Pravastatin SodiumPravastatin Sodium18suppressed
Alendronate SodiumAlendronate Sodium17suppressed
Donepezil HclDonepezil Hcl17suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
Ondansetron OdtOndansetron17suppressed
Triamcinolone AcetonideTriamcinolone Acetonide17suppressed
HydrocortisoneHydrocortisone16suppressed
NabumetoneNabumetone16suppressed
BaclofenBaclofen15suppressed
ColchicineColchicine15suppressed
GlipizideGlipizide15suppressed
ValacyclovirValacyclovir Hcl15suppressed
BreynaBudesonide/Formoterol Fumarate14suppressed
ClopidogrelClopidogrel Bisulfate14suppressed
FluocinonideFluocinonide14suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
Tramadol HclTramadol Hcl14suppressed
Doxycycline MonohydrateDoxycycline Monohydrate13suppressed
EzetimibeEzetimibe13suppressed
FenofibrateFenofibrate13suppressed
Menveo A-C-Y-W-135-DipMening Vac A,c,y,w-135 Dip/Pf1313
ClonidineClonidine12suppressed
FlunisolideFlunisolide12suppressed
KetoconazoleKetoconazole12suppressed
MeloxicamMeloxicam12suppressed
Memantine HclMemantine Hcl12suppressed
Sertraline HclSertraline Hcl12suppressed
TriumeqAbacavir/Dolutegravir/Lamivudi12suppressed
ClonazepamClonazepam11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1111
SpironolactoneSpironolactone11suppressed
ZenpepLipase/Protease/Amylase11suppressed

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