Healthcare provider profile · identity verified

Robert Tamblin, NP

Nurse Practitioner · BRISBANE, CA · NPI 1356891741

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 Calcium13632
MirtazapineMirtazapine9917
Amlodipine BesylateAmlodipine Besylate8521
Metoprolol SuccinateMetoprolol Succinate7411
Losartan PotassiumLosartan Potassium6911
EliquisApixaban59suppressed
GabapentinGabapentin5312
Levothyroxine SodiumLevothyroxine Sodium4914
LorazepamLorazepam4915
Pantoprazole SodiumPantoprazole Sodium4511
FinasterideFinasteride42suppressed
FurosemideFurosemide42suppressed
Albuterol Sulfate HfaAlbuterol Sulfate4013
Tamsulosin HclTamsulosin Hcl37suppressed
ClonazepamClonazepam36suppressed
Metformin HclMetformin Hcl34suppressed
LevetiracetamLevetiracetam31suppressed
LidocaineLidocaine3112
Duloxetine HclDuloxetine Hcl28suppressed
Escitalopram OxalateEscitalopram Oxalate27suppressed
FamotidineFamotidine27suppressed
Fluoxetine HclFluoxetine Hcl27suppressed
LisinoprilLisinopril27suppressed
OmeprazoleOmeprazole27suppressed
PregabalinPregabalin26suppressed
Quetiapine FumarateQuetiapine Fumarate26suppressed
BaclofenBaclofen24suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate23suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen23suppressed
Potassium ChloridePotassium Chloride23suppressed
Methenamine HippurateMethenamine Hippurate22suppressed
CarvedilolCarvedilol21suppressed
LatanoprostLatanoprost20suppressed
ClopidogrelClopidogrel Bisulfate18suppressed
Citalopram HbrCitalopram Hydrobromide16suppressed
GlipizideGlipizide16suppressed
Metoclopramide HclMetoclopramide Hcl16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide16suppressed
Metformin Hcl ErMetformin Hcl15suppressed
MyrbetriqMirabegron15suppressed
XareltoRivaroxaban15suppressed
Breo ElliptaFluticasone/Vilanterol14suppressed
Timolol MaleateTimolol Maleate14suppressed
DutasterideDutasteride13suppressed
HydrocortisoneHydrocortisone13suppressed
LamotrigineLamotrigine13suppressed
SimvastatinSimvastatin13suppressed
Emtricitabine-Tenofovir DisopEmtricitabine/Tenofovir (Tdf)12suppressed
KetoconazoleKetoconazole12suppressed
Labetalol HclLabetalol Hcl12suppressed
MeloxicamMeloxicam12suppressed
NystatinNystatin12suppressed
SymbicortBudesonide/Formoterol Fumarate12suppressed
Advair HfaFluticasone Propion/Salmeterol11suppressed
CephalexinCephalexin11suppressed
IsentressRaltegravir Potassium11suppressed
LevofloxacinLevofloxacin11suppressed
TriumeqAbacavir/Dolutegravir/Lamivudi11suppressed

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