Healthcare provider profile · identity verified

Nathaniel Anderson

Nurse Practitioner · YARMOUTH, ME · NPI 1336696590

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
Amlodipine BesylateAmlodipine Besylate13320
Atorvastatin CalciumAtorvastatin Calcium13020
Levothyroxine SodiumLevothyroxine Sodium10621
Sertraline HclSertraline Hcl9716
EliquisApixaban9617
FurosemideFurosemide9625
Trazodone HclTrazodone Hcl9321
GabapentinGabapentin7314
Tamsulosin HclTamsulosin Hcl5311
Oxycodone HclOxycodone Hcl5016
Metoprolol TartrateMetoprolol Tartrate4713
Potassium ChloridePotassium Chloride46suppressed
BumetanideBumetanide44suppressed
Escitalopram OxalateEscitalopram Oxalate43suppressed
MirtazapineMirtazapine4311
Isosorbide Mononitrate ErIsosorbide Mononitrate41suppressed
Metoprolol SuccinateMetoprolol Succinate3911
CephalexinCephalexin3813
Losartan PotassiumLosartan Potassium38suppressed
Diltiazem 24hr ErDiltiazem Hcl35suppressed
Pantoprazole SodiumPantoprazole Sodium35suppressed
Tizanidine HclTizanidine Hcl33suppressed
TorsemideTorsemide33suppressed
Warfarin SodiumWarfarin Sodium33suppressed
Doxycycline HyclateDoxycycline Hyclate32suppressed
PrednisonePrednisone3211
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3014
Tramadol HclTramadol Hcl29suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf2828
LorazepamLorazepam27suppressed
CarvedilolCarvedilol26suppressed
Duloxetine HclDuloxetine Hcl25suppressed
Donepezil HclDonepezil Hcl24suppressed
SimvastatinSimvastatin23suppressed
Bupropion XlBupropion Hcl22suppressed
Citalopram HbrCitalopram Hydrobromide22suppressed
FinasterideFinasteride22suppressed
Ropinirole HclRopinirole Hcl21suppressed
Rosuvastatin CalciumRosuvastatin Calcium21suppressed
AllopurinolAllopurinol20suppressed
Propranolol HclPropranolol Hcl20suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1915
Morphine SulfateMorphine Sulfate1814
Glipizide ErGlipizide17suppressed
EzetimibeEzetimibe16suppressed
Hydralazine HclHydralazine Hcl16suppressed
Lorazepam IntensolLorazepam1616
Paroxetine HclParoxetine Hcl16suppressed
RisperidoneRisperidone16suppressed
Fluoxetine HclFluoxetine Hcl15suppressed
LantusInsulin Glargine,hum.Rec.Anlog14suppressed
LisinoprilLisinopril14suppressed
Memantine HclMemantine Hcl14suppressed
Metformin Hcl ErMetformin Hcl14suppressed
NystopNystatin14suppressed
OmeprazoleOmeprazole14suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1313
CalcitriolCalcitriol13suppressed
MeloxicamMeloxicam13suppressed
GlipizideGlipizide12suppressed
LevetiracetamLevetiracetam12suppressed
MetolazoneMetolazone12suppressed
Midodrine HclMidodrine Hcl12suppressed
AzithromycinAzithromycin11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Enalapril MaleateEnalapril Maleate11suppressed
Hydromorphone HclHydromorphone Hcl11suppressed
Verapamil ErVerapamil Hcl11suppressed

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