Healthcare provider profile · identity verified

Mark Eric Whiteside, M.D.

Internal Medicine · KEY WEST, FL · NPI 1356314934

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
BiktarvyBictegrav/Emtricit/Tenofov Ala24228
FamotidineFamotidine21054
LorazepamLorazepam17323
GenvoyaElviteg/Cob/Emtri/Tenof Alafen12013
AlprazolamAlprazolam10213
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10214
OmeprazoleOmeprazole9625
Losartan PotassiumLosartan Potassium9221
DescovyEmtricitabine/Tenofov Alafenam87suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen8712
Pantoprazole SodiumPantoprazole Sodium8722
Zolpidem TartrateZolpidem Tartrate8412
DiazepamDiazepam8314
FluconazoleFluconazole7725
AcyclovirAcyclovir7417
Atorvastatin CalciumAtorvastatin Calcium7115
Amlodipine BesylateAmlodipine Besylate7017
Levothyroxine SodiumLevothyroxine Sodium7012
Cyclobenzaprine HclCyclobenzaprine Hcl6615
IbuprofenIbuprofen6418
TemazepamTemazepam61suppressed
GabapentinGabapentin56suppressed
DarunavirDarunavir52suppressed
FurosemideFurosemide51suppressed
LisinoprilLisinopril5114
Metoprolol SuccinateMetoprolol Succinate4912
Bupropion XlBupropion Hcl48suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine48suppressed
DovatoDolutegravir Sodium/Lamivudine47suppressed
IsentressRaltegravir Potassium47suppressed
Tamsulosin HclTamsulosin Hcl46suppressed
Oxycodone HclOxycodone Hcl45suppressed
Albuterol Sulfate HfaAlbuterol Sulfate4414
MirtazapineMirtazapine44suppressed
Metformin HclMetformin Hcl42suppressed
TriumeqAbacavir/Dolutegravir/Lamivudi42suppressed
EliquisApixaban41suppressed
MeloxicamMeloxicam41suppressed
Rosuvastatin CalciumRosuvastatin Calcium3911
AtenololAtenolol37suppressed
AzithromycinAzithromycin3723
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim37suppressed
ClopidogrelClopidogrel Bisulfate36suppressed
Metoprolol TartrateMetoprolol Tartrate33suppressed
CarvedilolCarvedilol31suppressed
PrezcobixDarunavir/Cobicistat31suppressed
Sertraline HclSertraline Hcl31suppressed
SimvastatinSimvastatin29suppressed
CephalexinCephalexin2711
Escitalopram OxalateEscitalopram Oxalate27suppressed
Fluticasone PropionateFluticasone Propionate27suppressed
Ciprofloxacin HclCiprofloxacin Hcl2614
TestosteroneTestosterone26suppressed
Testosterone CypionateTestosterone Cypionate25suppressed
ClonazepamClonazepam24suppressed
ValacyclovirValacyclovir Hcl24suppressed
Tramadol HclTramadol Hcl23suppressed
Trazodone HclTrazodone Hcl23suppressed
FinasterideFinasteride22suppressed
PrednisonePrednisone22suppressed
PrezistaDarunavir22suppressed
Ventolin HfaAlbuterol Sulfate21suppressed
Meclizine HclMeclizine Hcl20suppressed
OdefseyEmtricitab/Rilpiviri/Tenof Ala18suppressed
SymtuzaDarunavir/Cob/Emtri/Tenof Alaf18suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr17suppressed
MounjaroTirzepatide17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
Hydrocodone-IbuprofenHydrocodone/Ibuprofen16suppressed
RitonavirRitonavir16suppressed
GlimepirideGlimepiride15suppressed
HydrochlorothiazideHydrochlorothiazide15suppressed
Ondansetron OdtOndansetron15suppressed
PregabalinPregabalin15suppressed
Citalopram HbrCitalopram Hydrobromide14suppressed
EtravirineEtravirine14suppressed
Potassium ChloridePotassium Chloride14suppressed
Tizanidine HclTizanidine Hcl14suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14suppressed
XifaxanRifaximin14suppressed
AllopurinolAllopurinol13suppressed
Hydroxyzine HclHydroxyzine Hcl13suppressed
Lamivudine-ZidovudineLamivudine/Zidovudine13suppressed
Atazanavir SulfateAtazanavir Sulfate12suppressed
LamotrigineLamotrigine12suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12suppressed
SymbicortBudesonide/Formoterol Fumarate12suppressed
TivicayDolutegravir Sodium12suppressed
UbrelvyUbrogepant12suppressed
VascepaIcosapent Ethyl12suppressed
EzetimibeEzetimibe11suppressed
JardianceEmpagliflozin11suppressed
OxycontinOxycodone Hcl11suppressed
Quetiapine Fumarate ErQuetiapine Fumarate11suppressed

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