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Physician Profile

Elizabeth S. O Brien, MD

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At a glance

About Dr. O Brien

Elizabeth S. O Brien, MD practices pediatrics in Chesterfield, MO. The provider's National Provider Identifier (NPI) is 1831276427.

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

Specialty

Pediatrics (Primary)

Credentials & Licensing

MO licenceAs reported to the NPI registry
No. R9J85As reported
NPINational Provider Identifier
1831276427Issued 2006

As reported to the NPI registry ↗

Medicare information

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 a pediatrician in Chesterfield, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatrics”.

NPI registry

What is Dr. O Brien's address?

Dr. O Brien is listed at 16216 Baxter Rd Suite 299, Chesterfield, MO 63017. 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 (636) 530-9999. 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 1831276427. 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

How much experience does Dr. O Brien have?

Dr. O Brien has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

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.

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