Healthcare provider profile · identity verified

Christopher James Mullin, D.O.

Family Practice · OCEANSIDE, CA · NPI 1013265693

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 Calcium637232
LisinoprilLisinopril354123
Losartan PotassiumLosartan Potassium23882
Amlodipine BesylateAmlodipine Besylate22282
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17041
PradaxaDabigatran Etexilate Mesylate16135
Levothyroxine SodiumLevothyroxine Sodium15652
OmeprazoleOmeprazole12548
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12142
GabapentinGabapentin11548
Terazosin HclTerazosin Hcl11338
Metformin HclMetformin Hcl11144
SimvastatinSimvastatin10941
AtenololAtenolol10336
Metoprolol TartrateMetoprolol Tartrate9638
Metformin Hcl ErMetformin Hcl9343
Rosuvastatin CalciumRosuvastatin Calcium9039
Trazodone HclTrazodone Hcl8626
Albuterol Sulfate HfaAlbuterol Sulfate8439
GlipizideGlipizide7928
HydrochlorothiazideHydrochlorothiazide6924
Tamsulosin HclTamsulosin Hcl6723
AllopurinolAllopurinol6624
Pantoprazole SodiumPantoprazole Sodium6626
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6524
FurosemideFurosemide6124
Nano 2nd Gen Pen NeedlePen Needle, Diabetic6014
Alendronate SodiumAlendronate Sodium5921
Humulin N KwikpenInsulin Nph Human Isophane5919
Potassium ChloridePotassium Chloride5721
Triamcinolone AcetonideTriamcinolone Acetonide5728
Wixela InhubFluticasone Propion/Salmeterol5721
JardianceEmpagliflozin5214
Fluoxetine HclFluoxetine Hcl5114
MeloxicamMeloxicam5120
IbuprofenIbuprofen5015
CarvedilolCarvedilol4820
Citalopram HbrCitalopram Hydrobromide4515
FinasterideFinasteride4420
LactuloseLactulose4113
Spiriva RespimatTiotropium Bromide40suppressed
Bisoprolol FumarateBisoprolol Fumarate3717
AlprazolamAlprazolam3411
PrednisonePrednisone3426
Humulin NInsulin Nph Human Isophane3316
TopiramateTopiramate3217
Ondansetron OdtOndansetron30suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen3011
AcyclovirAcyclovir2911
AlvescoCiclesonide2915
Hydralazine HclHydralazine Hcl2912
Nortriptyline HclNortriptyline Hcl29suppressed
LovastatinLovastatin2811
ClopidogrelClopidogrel Bisulfate2712
Zolpidem TartrateZolpidem Tartrate26suppressed
Ondansetron HclOndansetron Hcl2511
ValacyclovirValacyclovir Hcl25suppressed
Montelukast SodiumMontelukast Sodium24suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml2411
Propranolol HclPropranolol Hcl23suppressed
Pravastatin SodiumPravastatin Sodium21suppressed
Sumatriptan SuccinateSumatriptan Succinate20suppressed
Glipizide-MetforminGlipizide/Metformin Hcl19suppressed
Metoprolol SuccinateMetoprolol Succinate19suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1818
Dicyclomine HclDicyclomine Hcl18suppressed
Duloxetine HclDuloxetine Hcl18suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid18suppressed
NitroglycerinNitroglycerin17suppressed
TadalafilTadalafil17suppressed
Buspirone HclBuspirone Hcl16suppressed
Humulin RInsulin Regular, Human16suppressed
MirtazapineMirtazapine16suppressed
Sertraline HclSertraline Hcl16suppressed
Tramadol HclTramadol Hcl1611
Clobetasol PropionateClobetasol Propionate15suppressed
Escitalopram OxalateEscitalopram Oxalate15suppressed
FamotidineFamotidine15suppressed
SpironolactoneSpironolactone15suppressed
Bupropion XlBupropion Hcl14suppressed
ChlorthalidoneChlorthalidone14suppressed
EstradiolEstradiol14suppressed
TestosteroneTestosterone14suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate1312
OzempicSemaglutide13suppressed
XareltoRivaroxaban13suppressed
AmoxicillinAmoxicillin12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
FluorouracilFluorouracil12suppressed
SucralfateSucralfate12suppressed
BaclofenBaclofen11suppressed
FenofibrateFenofibrate11suppressed
Humalog Kwikpen U-100Insulin Lispro11suppressed
TemazepamTemazepam11suppressed

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