Healthcare provider profile · identity verified

Alan H. Man, MD

Internal Medicine · SANTA CLARA, CA · NPI 1013094952

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 Calcium482153
Losartan PotassiumLosartan Potassium26179
Amlodipine BesylateAmlodipine Besylate22173
LisinoprilLisinopril21376
SimvastatinSimvastatin20662
Metformin Hcl ErMetformin Hcl15649
Levothyroxine SodiumLevothyroxine Sodium14944
HydrochlorothiazideHydrochlorothiazide13747
Alendronate SodiumAlendronate Sodium13047
JardianceEmpagliflozin12740
GabapentinGabapentin12144
BiktarvyBictegrav/Emtricit/Tenofov Ala10825
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide10732
Fluticasone PropionateFluticasone Propionate10447
AllopurinolAllopurinol10136
Metformin HclMetformin Hcl10030
AtenololAtenolol9933
Tamsulosin HclTamsulosin Hcl9736
Rosuvastatin CalciumRosuvastatin Calcium8630
Pantoprazole SodiumPantoprazole Sodium8428
Terazosin HclTerazosin Hcl8428
FurosemideFurosemide8331
FamotidineFamotidine8234
LovastatinLovastatin7624
OmeprazoleOmeprazole7630
Pravastatin SodiumPravastatin Sodium7422
Metoprolol TartrateMetoprolol Tartrate7321
Trazodone HclTrazodone Hcl7217
DescovyEmtricitabine/Tenofov Alafenam6713
Metoprolol SuccinateMetoprolol Succinate6422
Triamcinolone AcetonideTriamcinolone Acetonide6431
DarunavirDarunavir6313
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5917
OzempicSemaglutide5913
Albuterol Sulfate HfaAlbuterol Sulfate5627
RitonavirRitonavir5513
Clobetasol PropionateClobetasol Propionate5116
ColchicineColchicine5018
PradaxaDabigatran Etexilate Mesylate4818
AlvescoCiclesonide4712
TivicayDolutegravir Sodium47suppressed
FinasterideFinasteride4515
IbuprofenIbuprofen4321
SpironolactoneSpironolactone4217
GlipizideGlipizide4015
Spiriva RespimatTiotropium Bromide4012
EzetimibeEzetimibe3712
Potassium ChloridePotassium Chloride3514
AcyclovirAcyclovir3213
PrezcobixDarunavir/Cobicistat32suppressed
FlunisolideFlunisolide30suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen30suppressed
LorazepamLorazepam30suppressed
PifeltroDoravirine30suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml29suppressed
Montelukast SodiumMontelukast Sodium27suppressed
Testosterone CypionateTestosterone Cypionate27suppressed
Humulin NInsulin Nph Human Isophane26suppressed
Tramadol HclTramadol Hcl2611
Azelastine HclAzelastine Hcl25suppressed
ClopidogrelClopidogrel Bisulfate25suppressed
FenofibrateFenofibrate25suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2424
Fluoxetine HclFluoxetine Hcl24suppressed
KetoconazoleKetoconazole23suppressed
Citalopram HbrCitalopram Hydrobromide22suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2217
CarvedilolCarvedilol21suppressed
PregabalinPregabalin20suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml20suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1916
Glipizide ErGlipizide19suppressed
HydrocortisoneHydrocortisone1912
Zolpidem TartrateZolpidem Tartrate18suppressed
Chlorhexidine GluconateChlorhexidine Gluconate17suppressed
IsentressRaltegravir Potassium17suppressed
MirtazapineMirtazapine17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
MeloxicamMeloxicam16suppressed
OdefseyEmtricitab/Rilpiviri/Tenof Ala16suppressed
AmoxicillinAmoxicillin1512
Duloxetine HclDuloxetine Hcl15suppressed
Morphine Sulfate ErMorphine Sulfate15suppressed
NaproxenNaproxen15suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1513
Ondansetron HclOndansetron Hcl15suppressed
Wixela InhubFluticasone Propion/Salmeterol15suppressed
CefadroxilCefadroxil1412
ChlorthalidoneChlorthalidone14suppressed
FluocinonideFluocinonide14suppressed
Nevirapine ErNevirapine14suppressed
BaclofenBaclofen13suppressed
TriumeqAbacavir/Dolutegravir/Lamivudi13suppressed
AzithromycinAzithromycin12suppressed
CephalexinCephalexin12suppressed
Econazole NitrateEconazole Nitrate12suppressed
EliquisApixaban12suppressed
Propranolol HclPropranolol Hcl12suppressed
TemazepamTemazepam12suppressed
BreynaBudesonide/Formoterol Fumarate11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
EfavirenzEfavirenz11suppressed
Escitalopram OxalateEscitalopram Oxalate11suppressed
GenvoyaElviteg/Cob/Emtri/Tenof Alafen11suppressed
Icosapent EthylIcosapent Ethyl11suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn11suppressed
MupirocinMupirocin11suppressed
PrednisonePrednisone1111
QuviviqDaridorexant Hcl11suppressed

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