Healthcare provider profile · identity verified

Daniel Frank Erler, MD MPH

Internal Medicine · LEXINGTON, MA · NPI 1598716862

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 Calcium693193
LisinoprilLisinopril505148
Amlodipine BesylateAmlodipine Besylate33393
SimvastatinSimvastatin27779
Losartan PotassiumLosartan Potassium23063
HydrochlorothiazideHydrochlorothiazide22067
OmeprazoleOmeprazole20558
Metformin HclMetformin Hcl20152
Levothyroxine SodiumLevothyroxine Sodium19158
LorazepamLorazepam17533
AtenololAtenolol16149
AllopurinolAllopurinol14840
Rosuvastatin CalciumRosuvastatin Calcium13148
Metoprolol SuccinateMetoprolol Succinate12538
Sertraline HclSertraline Hcl11334
Tamsulosin HclTamsulosin Hcl9328
Pantoprazole SodiumPantoprazole Sodium8120
Metoprolol TartrateMetoprolol Tartrate6718
FurosemideFurosemide6616
FamotidineFamotidine5816
EliquisApixaban5712
Warfarin SodiumWarfarin Sodium5519
Trazodone HclTrazodone Hcl4918
Pravastatin SodiumPravastatin Sodium4816
Fluticasone PropionateFluticasone Propionate4618
AlprazolamAlprazolam42suppressed
Albuterol Sulfate HfaAlbuterol Sulfate4123
FinasterideFinasteride4014
GabapentinGabapentin4016
SynthroidLevothyroxine Sodium4012
Fluoxetine HclFluoxetine Hcl3813
Potassium ChloridePotassium Chloride37suppressed
Zolpidem TartrateZolpidem Tartrate36suppressed
Citalopram HbrCitalopram Hydrobromide3411
Dicyclomine HclDicyclomine Hcl32suppressed
EzetimibeEzetimibe3212
Tramadol HclTramadol Hcl29suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid28suppressed
ClopidogrelClopidogrel Bisulfate26suppressed
Duloxetine HclDuloxetine Hcl26suppressed
SpironolactoneSpironolactone26suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil2520
XareltoRivaroxaban25suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl24suppressed
Glipizide ErGlipizide24suppressed
ValsartanValsartan23suppressed
Metformin Hcl ErMetformin Hcl2212
LovastatinLovastatin21suppressed
Venlafaxine Hcl ErVenlafaxine Hcl21suppressed
Propranolol HclPropranolol Hcl20suppressed
Incruse ElliptaUmeclidinium Bromide19suppressed
Alfuzosin Hcl ErAlfuzosin Hcl17suppressed
AzithromycinAzithromycin1717
Doxycycline MonohydrateDoxycycline Monohydrate1714
NystatinNystatin17suppressed
Arnuity ElliptaFluticasone Furoate15suppressed
Tizanidine HclTizanidine Hcl15suppressed
Azelastine HclAzelastine Hcl14suppressed
DiazepamDiazepam14suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14suppressed
KetoconazoleKetoconazole14suppressed
Montelukast SodiumMontelukast Sodium14suppressed
Nifedipine ErNifedipine14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1411
TorsemideTorsemide14suppressed
CarbamazepineCarbamazepine13suppressed
Doxazosin MesylateDoxazosin Mesylate13suppressed
Escitalopram OxalateEscitalopram Oxalate13suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate12suppressed
Oxycodone HclOxycodone Hcl12suppressed
Advair HfaFluticasone Propion/Salmeterol11suppressed
Benazepril HclBenazepril Hcl11suppressed
Labetalol HclLabetalol Hcl11suppressed
LevetiracetamLevetiracetam11suppressed
OzempicSemaglutide11suppressed

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