Healthcare provider profile · identity verified

Mark Allen Mcclanahan, M.D.

Allopathic & Osteopathic Physicians|Internal Medicine|Endocrinology, Diabetes & Metabolism · FREDERICKSBURG, VA · NPI 1093840811

Profile state: payments and partd 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

CMS Open Payments records show Mark Allen Mcclanahan, M.D. received $73.73 in general payments during 2025 across 3 reported records.

Lilly USA, LLC accounted for 40.2% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 6 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Mounjaro.

Lilly USA, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported JARDIANCE as an associated drug or biological on 47708 records involving 23833 distinct recipient NPIs. Public Medicare Part D data also shows 198 claims for Jardiance by this doctor in 2024.

Lilly USA, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported MOUNJARO as an associated drug or biological on 186719 records involving 66436 distinct recipient NPIs. Public Medicare Part D data also shows 107 claims for Mounjaro by this doctor in 2024.

Lilly USA, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported TRULICITY as an associated drug or biological on 71 records involving 57 distinct recipient NPIs. Public Medicare Part D data also shows 133 claims for Trulicity by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$73.73

3 reported records · 3 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Lilly USA, LLC Unresolved — no canonical attribution shown $29.6340.2%12025
IBSA Pharma Inc. Unresolved — no canonical attribution shown $23.5832.0%12025
Amgen Inc. Unresolved — no canonical attribution shown $20.5227.8%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$73.733

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
MOUNJARO
Normalized: mounjaro
Drug Lilly USA, LLC $29.63 1 2025
Source payment records
ZEPBOUND
Normalized: zepbound
Drug Lilly USA, LLC $29.63 1 2025
Source payment records
Flector
Normalized: flector
Drug IBSA Pharma Inc. $23.58 1 2025
Source payment records
Licart
Normalized: licart
Drug IBSA Pharma Inc. $23.58 1 2025
Source payment records
Tirosint
Normalized: tirosint
Drug IBSA Pharma Inc. $23.58 1 2025
Source payment records
Repatha
Normalized: repatha
Biological Amgen Inc. $20.52 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
MOUNJARO
mounjaro
2025 Mounjaro 2024 107 exact normalized Medicare Part D

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.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Lilly USA, LLC
Exact reporting entity; no affiliate inference
2025 JARDIANCE
open payments reported associated product
CMS Open Payments — General Payments
47708 supporting records · 23833 recipient NPIs · example record 1186464557
Jardiance · 2024
Exact normalized brand match · 1 Part D row
198 54
Lilly USA, LLC
Exact reporting entity; no affiliate inference
2025 MOUNJARO
open payments reported associated product
CMS Open Payments — General Payments
186719 supporting records · 66436 recipient NPIs · example record 1186464455
Mounjaro · 2024
Exact normalized brand match · 1 Part D row
107 35
Lilly USA, LLC
Exact reporting entity; no affiliate inference
2025 TRULICITY
open payments reported associated product
CMS Open Payments — General Payments
71 supporting records · 57 recipient NPIs · example record 1186464601
Trulicity · 2024
Exact normalized brand match · 1 Part D row
133 45

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 Sodium726218
GlimepirideGlimepiride500146
Metformin Hcl ErMetformin Hcl499161
OzempicSemaglutide479129
SynthroidLevothyroxine Sodium411112
Metformin HclMetformin Hcl32398
Nano 2nd Gen Pen NeedlePen Needle, Diabetic23389
Atorvastatin CalciumAtorvastatin Calcium22159
JardianceEmpagliflozin19854
Tresiba Flextouch U-100Insulin Degludec17863
Rosuvastatin CalciumRosuvastatin Calcium14248
TrulicityDulaglutide13345
FarxigaDapagliflozin Propanediol13236
Tresiba Flextouch U-200Insulin Degludec11538
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11139
Humalog Kwikpen U-100Insulin Lispro10837
MounjaroTirzepatide10735
Alendronate SodiumAlendronate Sodium9930
MethimazoleMethimazole9929
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic9235
Pioglitazone HclPioglitazone Hcl8822
Losartan PotassiumLosartan Potassium8728
Soliqua 100-33Insulin Glargine/Lixisenatide8622
Synjardy XrEmpagliflozin/Metformin Hcl8625
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog8024
GabapentinGabapentin7725
JanuviaSitagliptin Phosphate7318
LisinoprilLisinopril7324
Novolog FlexpenInsulin Aspart7331
Ultra-Fine Short Pen NeedlePen Needle, Diabetic7230
Humalog Mix 75-25 KwikpenInsulin Lispro Protamin/Lispro7021
Novolog Mix 70-30 FlexpenInsulin Aspart Prot/Insuln Asp6419
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog5718
SimvastatinSimvastatin5614
Duloxetine HclDuloxetine Hcl5518
Liothyronine SodiumLiothyronine Sodium5419
Fiasp FlextouchInsulin Aspart (Niacinamide)5321
HydrochlorothiazideHydrochlorothiazide5317
UnithroidLevothyroxine Sodium5216
Lyumjev Kwikpen U-100Insulin Lispro-Aabc5017
Amlodipine BesylateAmlodipine Besylate4814
RepaglinideRepaglinide4814
Xigduo XrDapaglifloz Propaned/Metformin4813
Trijardy XrEmpaglifloz/Linaglip/Metformin4611
Olmesartan MedoxomilOlmesartan Medoxomil4512
Glipizide ErGlipizide4415
Insulin Lispro Kwikpen U-100Insulin Lispro44suppressed
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog3816
NovologInsulin Aspart33suppressed
HumalogInsulin Lispro3214
TradjentaLinagliptin32suppressed
Humulin N KwikpenInsulin Nph Human Isophane30suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic3012
FenofibrateFenofibrate29suppressed
SynjardyEmpagliflozin/Metformin Hcl28suppressed
Janumet XrSitagliptin Phos/Metformin Hcl27suppressed
Insulin Degludec Pen (U-200)Insulin Degludec26suppressed
LantusInsulin Glargine,hum.Rec.Anlog2611
GlipizideGlipizide25suppressed
Lyumjev Kwikpen U-200Insulin Lispro-Aabc24suppressed
RybelsusSemaglutide24suppressed
HydrocortisoneHydrocortisone23suppressed
Pravastatin SodiumPravastatin Sodium23suppressed
GlyxambiEmpagliflozin/Linagliptin22suppressed
LevoxylLevothyroxine Sodium22suppressed
Bydureon BciseExenatide Microspheres21suppressed
Benazepril HclBenazepril Hcl20suppressed
JanumetSitagliptin Phos/Metformin Hcl20suppressed
Tramadol HclTramadol Hcl20suppressed
EzetimibeEzetimibe19suppressed
LovastatinLovastatin19suppressed
Levemir FlexpenInsulin Detemir18suppressed
CabergolineCabergoline17suppressed
Insulin SyringeSyringe-Needle,insulin,0.5 Ml17suppressed
Pantoprazole SodiumPantoprazole Sodium17suppressed
Insulin SyringeSyringe And Needle,insulin,1ml16suppressed
SpironolactoneSpironolactone16suppressed
Spironolactone-HctzSpironolact/Hydrochlorothiazid16suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc15suppressed
Colesevelam HclColesevelam Hcl15suppressed
Sertraline HclSertraline Hcl15suppressed
Trazodone HclTrazodone Hcl15suppressed
Vitamin D2Ergocalciferol (Vitamin D2)14suppressed
AllopurinolAllopurinol13suppressed
Humulin 70-30Insulin Nph Hum/Reg Insulin Hm13suppressed
IrbesartanIrbesartan13suppressed
Metoprolol SuccinateMetoprolol Succinate13suppressed
Montelukast SodiumMontelukast Sodium13suppressed
CarvedilolCarvedilol12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
Metoprolol TartrateMetoprolol Tartrate12suppressed
Novolog Mix 70-30Insulin Aspart Prot/Insuln Asp12suppressed
Victoza 3-PakLiraglutide12suppressed
Armour ThyroidThyroid,pork11suppressed
OmeprazoleOmeprazole11suppressed
Omnipod 5 Dexg7g6 Pods (Gen 5)Insulin Pump Cart,auto,bt,g6/711suppressed
TresibaInsulin Degludec11suppressed
VascepaIcosapent Ethyl11suppressed

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 $73.73 · 3 records Lilly USA, LLC Flector, Licart, MOUNJARO, Repatha, Tirosint, ZEPBOUND 3
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