Healthcare provider profile · identity verified

Maureen D Passaro, M.D.

Endocrinology · OLNEY, MD · NPI 1316940141

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
Levothyroxine SodiumLevothyroxine Sodium753214
SynthroidLevothyroxine Sodium33887
Metformin HclMetformin Hcl26381
JardianceEmpagliflozin24364
Atorvastatin CalciumAtorvastatin Calcium22771
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog15750
MounjaroTirzepatide15723
OzempicSemaglutide13933
Nano 2nd Gen Pen NeedlePen Needle, Diabetic13853
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11141
Tresiba Flextouch U-100Insulin Degludec9028
LisinoprilLisinopril8924
Amlodipine BesylateAmlodipine Besylate8626
Losartan PotassiumLosartan Potassium8026
Metformin Hcl ErMetformin Hcl7925
Novolog FlexpenInsulin Aspart6428
HydrochlorothiazideHydrochlorothiazide5818
TrulicityDulaglutide5815
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic5324
MethimazoleMethimazole5215
Metoprolol SuccinateMetoprolol Succinate5218
Rosuvastatin CalciumRosuvastatin Calcium5118
JanuviaSitagliptin Phosphate4515
Risedronate SodiumRisedronate Sodium4414
EzetimibeEzetimibe3813
Ibandronate SodiumIbandronate Sodium3813
Ultra-Fine Short Pen NeedlePen Needle, Diabetic3713
Glipizide ErGlipizide3512
TeriparatideTeriparatide33suppressed
GlipizideGlipizide31suppressed
Liothyronine SodiumLiothyronine Sodium3111
Tresiba Flextouch U-200Insulin Degludec30suppressed
FarxigaDapagliflozin Propanediol28suppressed
Humalog Kwikpen U-100Insulin Lispro2812
CalcitriolCalcitriol20suppressed
GlimepirideGlimepiride20suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)19suppressed
Enalapril MaleateEnalapril Maleate18suppressed
Admelog SolostarInsulin Lispro17suppressed
HumalogInsulin Lispro17suppressed
Novofine 32Pen Needle, Diabetic17suppressed
TestosteroneTestosterone17suppressed
GabapentinGabapentin16suppressed
Novolog Mix 70-30 FlexpenInsulin Aspart Prot/Insuln Asp16suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic16suppressed
Droplet Pen NeedlePen Needle, Diabetic15suppressed
HydrocortisoneHydrocortisone15suppressed
NovologInsulin Aspart15suppressed
SimvastatinSimvastatin14suppressed
AdmelogInsulin Lispro13suppressed
Memantine Hcl ErMemantine Hcl13suppressed
Pravastatin SodiumPravastatin Sodium13suppressed
ForteoTeriparatide12suppressed
PregabalinPregabalin12suppressed
SpironolactoneSpironolactone11suppressed

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