Healthcare provider profile · identity verified

Eric M Westerman, D.O.

Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology · ENGLEWOOD, CO · NPI 1538199849

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 Eric M Westerman, D.O. received $728.38 in general payments during 2025 across 25 reported records.

Amgen Inc. accounted for 44.0% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 9 associated products.

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

ABBVIE 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 RINVOQ as an associated drug or biological on 279238 records involving 34343 distinct recipient NPIs. Public Medicare Part D data also shows 31 claims for Rinvoq by this doctor in 2024.

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

Payment overview · 2025

General Payments

$728.38

25 reported records · 6 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
Amgen Inc. Unresolved — no canonical attribution shown $320.2744.0%172025
ABBVIE INC. Unresolved — no canonical attribution shown $314.8143.2%32025
E.R. Squibb & Sons, L.L.C. Unresolved — no canonical attribution shown $37.805.2%22025
GlaxoSmithKline, LLC. Unresolved — no canonical attribution shown $19.732.7%12025
VERTEX PHARMACEUTICALS INCORPORATED Unresolved — no canonical attribution shown $18.952.6%12025
Genentech USA, Inc. Unresolved — no canonical attribution shown $16.822.3%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$728.3825

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
OTEZLA
Normalized: otezla
Drug Amgen Inc. $308.13 16 2025
Source payment records
RINVOQ
Normalized: rinvoq
Biological ABBVIE INC. $286.05 2 2025
Source payment records
ENBREL
Normalized: enbrel
Biological Amgen Inc. $40.54 2 2025
Source payment records
ORENCIA
Normalized: orencia
Biological E.R. Squibb & Sons, L.L.C. $37.80 2 2025
Source payment records
SKYRIZI
Normalized: skyrizi
Biological ABBVIE INC. $28.76 1 2025
Source payment records
BENLYSTA
Normalized: benlysta
Biological GlaxoSmithKline, LLC. $19.73 1 2025
Source payment records
JOURNAVX
Normalized: journavx
Drug VERTEX PHARMACEUTICALS INCORPORATED $18.95 1 2025
Source payment records
Gazyva
Normalized: gazyva
Biological Genentech USA, Inc. $16.82 1 2025
Source payment records
KRYSTEXXA
Normalized: krystexxa
Biological Amgen Inc. $12.14 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
RINVOQ
rinvoq
2025 Rinvoq 2024 31
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
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 RINVOQ
open payments reported associated product
CMS Open Payments — General Payments
279238 supporting records · 34343 recipient NPIs · example record 1201352600
Rinvoq · 2024
Exact normalized brand match · 1 Part D row
31 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
PrednisonePrednisone665218
Hydroxychloroquine SulfateHydroxychloroquine Sulfate29486
Tramadol HclTramadol Hcl18252
MethotrexateMethotrexate Sodium17449
LeflunomideLeflunomide15641
AzithromycinAzithromycin15182
Ibandronate SodiumIbandronate Sodium12840
Duloxetine HclDuloxetine Hcl10326
GabapentinGabapentin6217
Enbrel SureclickEtanercept48suppressed
AllopurinolAllopurinol4315
Mycophenolate MofetilMycophenolate Mofetil4012
Humira(Cf) PenAdalimumab37suppressed
Zolpidem TartrateZolpidem Tartrate3312
RinvoqUpadacitinib31suppressed
CelecoxibCelecoxib30suppressed
Trazodone HclTrazodone Hcl29suppressed
TopiramateTopiramate28suppressed
XeljanzTofacitinib Citrate26suppressed
MeloxicamMeloxicam25suppressed
PentoxifyllinePentoxifylline23suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2211
AlprazolamAlprazolam21suppressed
MethylprednisoloneMethylprednisolone2017
PregabalinPregabalin20suppressed
Diclofenac SodiumDiclofenac Sodium19suppressed
IbuprofenIbuprofen17suppressed
ClonazepamClonazepam15suppressed
Humira PenAdalimumab15suppressed
Actemra ActpenTocilizumab14suppressed
Folic AcidFolic Acid14suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl12suppressed
SulfasalazineSulfasalazine12suppressed
Bupropion Hcl SrBupropion Hcl11suppressed
Tramadol Hcl ErTramadol Hcl11suppressed
TymlosAbaloparatide11suppressed

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 $728.38 · 25 records Amgen Inc. BENLYSTA, ENBREL, Gazyva, JOURNAVX, KRYSTEXXA, ORENCIA, OTEZLA, RINVOQ, SKYRIZI 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