Healthcare provider profile · identity verified

Matthew Ian Fellows, M.D.

Family Practice · PHILADELPHIA, PA · NPI 1679894372

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 Calcium27987
LisinoprilLisinopril13542
Amlodipine BesylateAmlodipine Besylate9332
Terazosin HclTerazosin Hcl8720
Rosuvastatin CalciumRosuvastatin Calcium8426
GabapentinGabapentin8323
Tamsulosin HclTamsulosin Hcl7621
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7525
OmeprazoleOmeprazole7322
Metformin Hcl ErMetformin Hcl7123
Levothyroxine SodiumLevothyroxine Sodium6920
Losartan PotassiumLosartan Potassium6921
HydrochlorothiazideHydrochlorothiazide6821
Pantoprazole SodiumPantoprazole Sodium6719
Fluticasone PropionateFluticasone Propionate6522
FamotidineFamotidine5917
SimvastatinSimvastatin5716
Trazodone HclTrazodone Hcl5619
Metoprolol SuccinateMetoprolol Succinate5316
Albuterol Sulfate HfaAlbuterol Sulfate4928
AtenololAtenolol4514
OzempicSemaglutide40suppressed
AcyclovirAcyclovir3817
Triamcinolone AcetonideTriamcinolone Acetonide3815
Metoprolol TartrateMetoprolol Tartrate36suppressed
AlvescoCiclesonide3414
Bupropion XlBupropion Hcl34suppressed
FurosemideFurosemide29suppressed
FinasterideFinasteride28suppressed
ClopidogrelClopidogrel Bisulfate27suppressed
ColchicineColchicine27suppressed
GlipizideGlipizide27suppressed
Bupropion Hcl SrBupropion Hcl26suppressed
Metformin HclMetformin Hcl26suppressed
CarvedilolCarvedilol24suppressed
Escitalopram OxalateEscitalopram Oxalate24suppressed
Alendronate SodiumAlendronate Sodium23suppressed
Fluoxetine HclFluoxetine Hcl23suppressed
MirtazapineMirtazapine23suppressed
IbuprofenIbuprofen22suppressed
Pravastatin SodiumPravastatin Sodium22suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
Montelukast SodiumMontelukast Sodium19suppressed
NaproxenNaproxen19suppressed
TadalafilTadalafil19suppressed
ValacyclovirValacyclovir Hcl19suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen18suppressed
AllopurinolAllopurinol17suppressed
Duloxetine HclDuloxetine Hcl17suppressed
Humulin NInsulin Nph Human Isophane17suppressed
Benazepril HclBenazepril Hcl16suppressed
Spiriva RespimatTiotropium Bromide16suppressed
Wixela InhubFluticasone Propion/Salmeterol16suppressed
Citalopram HbrCitalopram Hydrobromide15suppressed
JardianceEmpagliflozin15suppressed
SpironolactoneSpironolactone15suppressed
LorazepamLorazepam14suppressed
BreynaBudesonide/Formoterol Fumarate13suppressed
PradaxaDabigatran Etexilate Mesylate13suppressed
TestosteroneTestosterone13suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml13suppressed
Victoza 2-PakLiraglutide13suppressed
FenofibrateFenofibrate12suppressed
Glipizide ErGlipizide12suppressed
Oxybutynin Chloride ErOxybutynin Chloride12suppressed
Oxycodone HclOxycodone Hcl12suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1111
Doxycycline MonohydrateDoxycycline Monohydrate11suppressed
HydrocortisoneHydrocortisone11suppressed
LamivudineLamivudine11suppressed
LovastatinLovastatin11suppressed
MeloxicamMeloxicam11suppressed
OdefseyEmtricitab/Rilpiviri/Tenof Ala11suppressed

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