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Physician Profile

Joseph D. O'Brien, MD

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At a glance

About Dr. O'brien

Based in Kansas City, MO, Joseph D. O'Brien, MD is listed in the NPI registry under emergency medicine. Joseph graduated from University of Missouri, Kansas City, School of Medicine in 2022. NPI 1417652561 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

MO licenceAs reported to the NPI registry
No. 2025052807As reported
NPINational Provider Identifier
1417652561Issued 2023

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentSometimes (reported per claim)
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 Dr. O'Brien?

Dr. O'Brien is an emergency physician in Kansas City, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

What is Dr. O'Brien's address?

Dr. O'Brien is listed at 4401 Wornall Rd, Kansas City, MO 64111. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

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

The number on file is (816) 932-2000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. O'Brien?

Dr. O'Brien's National Provider Identifier is 1417652561. 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 Dr. O'Brien train?

Dr. O'Brien attended University of Missouri, Kansas City, School of Medicine, graduating in 2022. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. O'Brien have?

Dr. O'Brien has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.

CMS public data

Is Dr. O'Brien's profile verified?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.