Healthcare provider profile · identity verified

Mark D. Ho, MD

Internal Medicine · DAVIS, CA · NPI 1275611964

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
Atorvastatin CalciumAtorvastatin Calcium412134
Levothyroxine SodiumLevothyroxine Sodium24969
LisinoprilLisinopril23775
Amlodipine BesylateAmlodipine Besylate23476
Losartan PotassiumLosartan Potassium22368
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen15824
Albuterol Sulfate HfaAlbuterol Sulfate14367
Fluticasone PropionateFluticasone Propionate13761
OmeprazoleOmeprazole11945
Pantoprazole SodiumPantoprazole Sodium11928
HydrochlorothiazideHydrochlorothiazide11739
GabapentinGabapentin11541
FamotidineFamotidine10139
Terazosin HclTerazosin Hcl10127
Tamsulosin HclTamsulosin Hcl9531
Azelastine HclAzelastine Hcl9221
AtenololAtenolol9025
FurosemideFurosemide8932
Metformin Hcl ErMetformin Hcl8933
AlvescoCiclesonide8844
Metoprolol TartrateMetoprolol Tartrate8029
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7822
Alendronate SodiumAlendronate Sodium7727
Metoprolol SuccinateMetoprolol Succinate7625
Trazodone HclTrazodone Hcl7528
LovastatinLovastatin6319
SimvastatinSimvastatin6319
Escitalopram OxalateEscitalopram Oxalate6121
ClopidogrelClopidogrel Bisulfate5918
HydrocortisoneHydrocortisone5623
JardianceEmpagliflozin5618
Rosuvastatin CalciumRosuvastatin Calcium5620
Tizanidine HclTizanidine Hcl5513
Metformin HclMetformin Hcl5415
OzempicSemaglutide53suppressed
Duloxetine HclDuloxetine Hcl5016
Diltiazem 24hr Er (Cd)Diltiazem Hcl4717
GlipizideGlipizide4315
AllopurinolAllopurinol4114
Fluoxetine HclFluoxetine Hcl4114
Triamcinolone AcetonideTriamcinolone Acetonide4123
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen40suppressed
Wixela InhubFluticasone Propion/Salmeterol4012
MirtazapineMirtazapine3913
CephalexinCephalexin3727
Ropinirole HclRopinirole Hcl36suppressed
Venlafaxine Hcl ErVenlafaxine Hcl33suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate32suppressed
Ondansetron OdtOndansetron32suppressed
Sertraline HclSertraline Hcl32suppressed
IbuprofenIbuprofen3114
MeloxicamMeloxicam3015
PradaxaDabigatran Etexilate Mesylate2912
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide28suppressed
Potassium ChloridePotassium Chloride27suppressed
PrednisonePrednisone2724
Warfarin SodiumWarfarin Sodium26suppressed
AmoxicillinAmoxicillin2513
Buspirone HclBuspirone Hcl2511
Doxycycline MonohydrateDoxycycline Monohydrate2522
Propranolol HclPropranolol Hcl25suppressed
Quetiapine FumarateQuetiapine Fumarate25suppressed
Midodrine HclMidodrine Hcl24suppressed
ChlorthalidoneChlorthalidone22suppressed
Ondansetron HclOndansetron Hcl2211
Tramadol HclTramadol Hcl22suppressed
AcyclovirAcyclovir2012
Clobetasol PropionateClobetasol Propionate2013
EliquisApixaban20suppressed
FenofibrateFenofibrate19suppressed
Glipizide ErGlipizide19suppressed
LorazepamLorazepam19suppressed
Bupropion XlBupropion Hcl18suppressed
CelecoxibCelecoxib18suppressed
MetronidazoleMetronidazole1811
Montelukast SodiumMontelukast Sodium18suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1817
Pravastatin SodiumPravastatin Sodium18suppressed
Spiriva RespimatTiotropium Bromide18suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl18suppressed
Trospium ChlorideTrospium Chloride18suppressed
BaclofenBaclofen17suppressed
BreynaBudesonide/Formoterol Fumarate1712
CarvedilolCarvedilol17suppressed
FinasterideFinasteride17suppressed
Hydroxyzine HclHydroxyzine Hcl17suppressed
EstradiolEstradiol16suppressed
Humulin NInsulin Nph Human Isophane16suppressed
Bupropion Hcl SrBupropion Hcl15suppressed
Cartia XtDiltiazem Hcl15suppressed
CefadroxilCefadroxil1515
Citalopram HbrCitalopram Hydrobromide15suppressed
IndapamideIndapamide15suppressed
Nortriptyline HclNortriptyline Hcl15suppressed
TopiramateTopiramate15suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml15suppressed
XareltoRivaroxaban15suppressed
TemazepamTemazepam14suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1313
NitroglycerinNitroglycerin13suppressed
Bisoprolol FumarateBisoprolol Fumarate12suppressed
ClonazepamClonazepam12suppressed
PregabalinPregabalin12suppressed
ColchicineColchicine11suppressed
FluocinonideFluocinonide11suppressed
MinoxidilMinoxidil11suppressed
ZaleplonZaleplon11suppressed

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