Healthcare provider profile · identity verified

Michael Schaefer

Endocrinology · MEDFORD, NY · NPI 1265658512

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 Sodium577176
OzempicSemaglutide520146
MounjaroTirzepatide37198
Metformin Hcl ErMetformin Hcl356122
SynthroidLevothyroxine Sodium32294
Atorvastatin CalciumAtorvastatin Calcium285103
JardianceEmpagliflozin26585
Lantus SolostarInsulin Glargine,hum.Rec.Anlog24793
GlimepirideGlimepiride23672
Nano 2nd Gen Pen NeedlePen Needle, Diabetic19578
Metformin HclMetformin Hcl17564
FarxigaDapagliflozin Propanediol15153
Novolog FlexpenInsulin Aspart13559
Tresiba Flextouch U-100Insulin Degludec9535
Rosuvastatin CalciumRosuvastatin Calcium8931
Humalog Kwikpen U-100Insulin Lispro8737
Tresiba Flextouch U-200Insulin Degludec8630
TrulicityDulaglutide8327
Losartan PotassiumLosartan Potassium8231
Alendronate SodiumAlendronate Sodium7428
LisinoprilLisinopril7022
Glipizide ErGlipizide6519
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog5821
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic5525
JanuviaSitagliptin Phosphate5220
Liothyronine SodiumLiothyronine Sodium5214
Pioglitazone HclPioglitazone Hcl5117
MethimazoleMethimazole4616
NovologInsulin Aspart4517
GabapentinGabapentin4316
GlipizideGlipizide4014
HumalogInsulin Lispro4015
RybelsusSemaglutide38suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic3814
TestosteroneTestosterone3615
Omnipod 5 Dexg7g6 Pods (Gen 5)Insulin Pump Cart,auto,bt,g6/734suppressed
EzetimibeEzetimibe3213
HydrocortisoneHydrocortisone32suppressed
Amlodipine BesylateAmlodipine Besylate31suppressed
Janumet XrSitagliptin Phos/Metformin Hcl31suppressed
TirosintLevothyroxine Sodium30suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog3014
Pravastatin SodiumPravastatin Sodium29suppressed
TradjentaLinagliptin28suppressed
Vitamin D2Ergocalciferol (Vitamin D2)2711
HydrochlorothiazideHydrochlorothiazide2512
SimvastatinSimvastatin2511
RepaglinideRepaglinide24suppressed
FenofibrateFenofibrate23suppressed
Gvoke Hypopen 2-PackGlucagon2219
Fiasp FlextouchInsulin Aspart (Niacinamide)2113
RamiprilRamipril20suppressed
Testosterone CypionateTestosterone Cypionate19suppressed
Metoprolol SuccinateMetoprolol Succinate18suppressed
Droplet Pen NeedlePen Needle, Diabetic17suppressed
IrbesartanIrbesartan17suppressed
Risedronate SodiumRisedronate Sodium17suppressed
Glucagon Emergency KitGlucagon16suppressed
Dropsafe Prep PadsAlcohol Antiseptic Pads14suppressed
ForteoTeriparatide14suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide14suppressed
VascepaIcosapent Ethyl14suppressed
Enalapril MaleateEnalapril Maleate13suppressed
DexamethasoneDexamethasone12suppressed
Humalog Kwikpen U-200Insulin Lispro12suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters12suppressed
XyostedTestosterone Enanthate12suppressed
Icosapent EthylIcosapent Ethyl11suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro11suppressed
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic11suppressed

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