Healthcare provider profile · identity verified

Nancy Wei, M.D.

Endocrinology · BOSTON, MA · NPI 1083740732

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
Lantus SolostarInsulin Glargine,hum.Rec.Anlog12050
OzempicSemaglutide11435
Metformin HclMetformin Hcl10142
TrulicityDulaglutide9333
Metformin Hcl ErMetformin Hcl8833
JardianceEmpagliflozin7331
MounjaroTirzepatide48suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog3818
Humalog Kwikpen U-100Insulin Lispro3720
Ultra-Fine Short Pen NeedlePen Needle, Diabetic3520
Tresiba Flextouch U-200Insulin Degludec3211
LisinoprilLisinopril3113
Atorvastatin CalciumAtorvastatin Calcium30suppressed
Novolog FlexpenInsulin Aspart3016
Nano 2nd Gen Pen NeedlePen Needle, Diabetic2915
Tresiba Flextouch U-100Insulin Degludec2714
Levothyroxine SodiumLevothyroxine Sodium25suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro2211
JanuviaSitagliptin Phosphate20suppressed
Glipizide ErGlipizide15suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog15suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic14suppressed
Humulin R U-500 KwikpenInsulin Regular, Human13suppressed
NovologInsulin Aspart13suppressed
RepaglinideRepaglinide13suppressed
GlipizideGlipizide12suppressed
Insulin Degludec Pen (U-100)Insulin Degludec12suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
RybelsusSemaglutide12suppressed
Admelog SolostarInsulin Lispro11suppressed
Amlodipine BesylateAmlodipine Besylate11suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)11suppressed
Humalog Kwikpen U-200Insulin Lispro11suppressed
Humulin N KwikpenInsulin Nph Human Isophane11suppressed
Rosuvastatin CalciumRosuvastatin Calcium11suppressed

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