Provider Profile

Claire C. O'Brien

Unclaimed Profile

About Claire O'brien

Claire C. O'Brien is a healthcare provider in Milwaukee, WI specializing in emergency medicine. Claire trained at University of Wisconsin School of Medicine, graduating in 2014. According to Medicare claims data, Claire cared for 385 Medicare patients across 390 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, emergency department visit with high level of medical decision making, and critical care, first 30-74 minutes.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Emergency Medicine (Primary)
Emergency Medicine (Additional)

Credentials & Licensing

WI license69115-20
OH license35.131817
NPI1093134884
NPI issued04/09/2014

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Claire C. O'Brien?

Claire C. O'Brien is an emergency physician in Milwaukee, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

What is Claire C. O'Brien's address?

Claire C. O'Brien is listed at 2900 W Oklahoma Ave, Milwaukee, WI 53215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Claire C. O'Brien?

The number on file is (414) 649-7299. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Claire C. O'Brien's NPI number?

Claire C. O'Brien's National Provider Identifier is 1093134884. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Claire C. O'Brien train?

Claire C. O'Brien attended University of Wisconsin School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.

CMS public data

How long has Claire C. O'Brien been practicing?

Claire C. O'Brien has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.

CMS public data

What procedures does Claire C. O'Brien perform?

According to Medicare billing data, Claire C. O'Brien provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Claire C. O'Brien confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Claire C. O'Brien. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.