Healthcare provider profile · identity verified

Guy Mulligan, M.D.

Endocrinology · CLEVELAND, OH · NPI 1740309962

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 Sodium725214
MounjaroTirzepatide38983
Metformin Hcl ErMetformin Hcl354118
Metformin HclMetformin Hcl17155
OzempicSemaglutide16843
SynthroidLevothyroxine Sodium16253
Atorvastatin CalciumAtorvastatin Calcium14549
Testosterone CypionateTestosterone Cypionate10828
Armour ThyroidThyroid,pork10526
JardianceEmpagliflozin10033
Lantus SolostarInsulin Glargine,hum.Rec.Anlog10037
Liothyronine SodiumLiothyronine Sodium10036
Rosuvastatin CalciumRosuvastatin Calcium8224
Np ThyroidThyroid,pork7816
GlimepirideGlimepiride7126
TrulicityDulaglutide7120
MethimazoleMethimazole6223
Humalog Kwikpen U-100Insulin Lispro5919
Vitamin D2Ergocalciferol (Vitamin D2)5814
HydrochlorothiazideHydrochlorothiazide5714
LisinoprilLisinopril5620
Amlodipine BesylateAmlodipine Besylate5216
TopiramateTopiramate4916
HydrocortisoneHydrocortisone4716
Glipizide ErGlipizide4518
Pioglitazone HclPioglitazone Hcl4515
Ultra-Fine Short Pen NeedlePen Needle, Diabetic4118
Nano 2nd Gen Pen NeedlePen Needle, Diabetic4018
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog4012
TestosteroneTestosterone38suppressed
Losartan PotassiumLosartan Potassium3716
Insulin Lispro Kwikpen U-100Insulin Lispro34suppressed
CalcitriolCalcitriol31suppressed
Fludrocortisone AcetateFludrocortisone Acetate28suppressed
SpironolactoneSpironolactone28suppressed
GabapentinGabapentin27suppressed
OmeprazoleOmeprazole27suppressed
Ondansetron OdtOndansetron26suppressed
Potassium ChloridePotassium Chloride26suppressed
HumalogInsulin Lispro25suppressed
Insulin LisproInsulin Lispro24suppressed
Metoprolol SuccinateMetoprolol Succinate24suppressed
Novolog FlexpenInsulin Aspart24suppressed
PrednisonePrednisone24suppressed
SimvastatinSimvastatin24suppressed
AllopurinolAllopurinol23suppressed
TradjentaLinagliptin23suppressed
Duloxetine HclDuloxetine Hcl22suppressed
FarxigaDapagliflozin Propanediol21suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic21suppressed
Pravastatin SodiumPravastatin Sodium20suppressed
Tresiba Flextouch U-200Insulin Degludec18suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)17suppressed
Levemir FlexpenInsulin Detemir16suppressed
AnastrozoleAnastrozole15suppressed
CarvedilolCarvedilol15suppressed
Lyumjev Kwikpen U-100Insulin Lispro-Aabc15suppressed
Tresiba Flextouch U-100Insulin Degludec15suppressed
ValsartanValsartan15suppressed
Alendronate SodiumAlendronate Sodium14suppressed
CabergolineCabergoline14suppressed
Cinacalcet HclCinacalcet Hcl14suppressed
EzetimibeEzetimibe14suppressed
JanuviaSitagliptin Phosphate14suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide14suppressed
Ultra-Fine Micro Pen NeedlePen Needle, Diabetic14suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog13suppressed
DiazepamDiazepam12suppressed
CytomelLiothyronine Sodium11suppressed
DexamethasoneDexamethasone11suppressed
GenotropinSomatropin11suppressed
MethylprednisoloneMethylprednisolone11suppressed
Ondansetron HclOndansetron Hcl11suppressed
TirosintLevothyroxine Sodium11suppressed

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