Healthcare provider profile · identity verified

Brian J Keroack, MD

Allopathic & Osteopathic Physicians|General Practice · PORTLAND, ME · NPI 1891788659

Profile state: payments and partd 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

CMS Open Payments records show Brian J Keroack, MD received $16.16 in general payments during 2025 across 1 reported records.

Genentech USA, Inc. accounted for 100.0% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 1 associated product.

A separate comparison found the same explicitly named product in public Medicare Part D data: Actemra.

Genentech USA, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Actemra as an associated drug or biological on 2116 records involving 1314 distinct recipient NPIs. Public Medicare Part D data also shows 12 claims for Actemra by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$16.16

1 reported records · 1 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Genentech USA, Inc. Unresolved — no canonical attribution shown $16.16100.0%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$16.161

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
Actemra
Normalized: actemra
Biological Genentech USA, Inc. $16.16 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
Actemra
actemra
2025 Actemra 2024 12
Beneficiary count suppressed
exact normalized Medicare Part D

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.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Genentech USA, Inc.
Exact reporting entity; no affiliate inference
2025 Actemra
open payments reported associated product
CMS Open Payments — General Payments
2116 supporting records · 1314 recipient NPIs · example record 1211488494
Actemra · 2024
Exact normalized brand match · 1 Part D row
12 suppressed by CMS

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
PrednisonePrednisone714186
MethotrexateMethotrexate Sodium564149
Hydroxychloroquine SulfateHydroxychloroquine Sulfate33195
Enbrel SureclickEtanercept26030
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen19648
MeloxicamMeloxicam19668
Humira(Cf) PenAdalimumab16823
Oxycodone HclOxycodone Hcl15428
AllopurinolAllopurinol14239
Leucovorin CalciumLeucovorin Calcium13738
Xeljanz XrTofacitinib Citrate11513
CelecoxibCelecoxib11331
EnbrelEtanercept8211
ColchicineColchicine8122
Folic AcidFolic Acid5917
Tramadol HclTramadol Hcl5818
RinvoqUpadacitinib51suppressed
Alendronate SodiumAlendronate Sodium5014
LeflunomideLeflunomide5016
Methadone HclMethadone Hcl47suppressed
MethylprednisoloneMethylprednisolone4122
Humira(Cf)Adalimumab28suppressed
Mycophenolate MofetilMycophenolate Mofetil28suppressed
PregabalinPregabalin28suppressed
Actemra ActpenTocilizumab26suppressed
XeljanzTofacitinib Citrate26suppressed
Cevimeline HclCevimeline Hcl25suppressed
Zolpidem TartrateZolpidem Tartrate22suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim21suppressed
Diclofenac SodiumDiclofenac Sodium19suppressed
FebuxostatFebuxostat19suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen17suppressed
GabapentinGabapentin15suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
OmeprazoleOmeprazole14suppressed
AvsolaInfliximab-Axxq13suppressed
Duloxetine HclDuloxetine Hcl13suppressed
ActemraTocilizumab12suppressed
IbuprofenIbuprofen12suppressed
NaproxenNaproxen12suppressed
Taltz AutoinjectorIxekizumab12suppressed
ClonazepamClonazepam11suppressed
Codeine SulfateCodeine Sulfate11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed

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 $16.16 · 1 records Genentech USA, Inc. Actemra 1
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