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Edit this profileWhere to find Crystal O'Brien
- Chesterfield location main office
224 S Woods Mill Rd Ste 410S, Chesterfield, MO 63017 - O Fallon location
5551 Winghaven Blvd Ste 260, O Fallon, MO 63368
About Crystal O'brien
Listed in the NPI registry as a nurse practitioner — adult health, Crystal O'Brien practices in Chesterfield, MO. NPI 1366898678 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (636) 685-7795
- Email not available
Practice Locations
224 S WOODS MILL RD STE 410S
Chesterfield, MO 63017
5551 Winghaven Blvd Ste 260
O Fallon, MO 63368
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What kind of doctor is Crystal O'Brien?
Crystal O'Brien is a nurse practitioner in Chesterfield, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Adult Health”.
NPI registry
What is Crystal O'Brien's address?
Crystal O'Brien is listed at 224 S Woods Mill Rd Ste 410S, 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 Crystal O'Brien?
The number on file is (636) 685-7795. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Crystal O'Brien's NPI number?
Crystal O'Brien's National Provider Identifier is 1366898678. 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 long has Crystal O'Brien been practicing?
Crystal O'Brien has 10+ years experience. Registered with an NPI since 2016. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Crystal O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Crystal O'Brien. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.