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CRYSTAL O'BRIEN
NPI 1366898678
Nurse Practitioner - Adult Health in Chesterfield, MO

Active since May 05, 2016
224 S WOODS MILL RD STE 410S, CHESTERFIELD, MO 63017(636) 685-7795(314) 590-5959 Get Directions Write a Review

NPPES record last updated: September 3, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 3, 2020, Aug 28, 2020, Mar 3, 2020 and 1 more (4 updates tracked since 2020).

About Crystal O'brien NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CRYSTAL O'BRIEN (NPI 1366898678) is an individual adult health provider in Chesterfield, Missouri, licensed in Missouri (2016003050) and active in the NPI registry since May 2016. She maintains a secondary practice location in O Fallon.

NPPES Registry Identity

NPI1366898678
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameCRYSTAL O'BRIEN
Location Address224 S WOODS MILL RD STE 410SChesterfield, MO 63017-3605
Mailing Address3221 Mckelvey Rd Ste 301Bridgeton, MO 63044-2551
Phone(636) 685-7795
Fax(314) 590-5959
Sole ProprietorYes
Enumeration DateMay 5, 2016
Last NPPES UpdateSeptember 3, 20204 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2020
✔ NPI 1366898678 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MO · 2016003050
224 S WOODS MILL RD STE 410S, Chesterfield, MO 63017
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Other Names 1

Former Name (1)Crystal Pauls Nurse Practitioner

Secondary Practice Location 1

Location 15551 Winghaven Blvd Ste 260O Fallon, MO 63368-3630 · Phone (636) 685-7795 · Fax (314) 590-5959

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIE JEAN CHAHLA MD
Internal Medicine (Gastroenterology)
224 S WOODS MILL RD STE 410S
CHESTERFIELD, MO 63017
St. Louis County (366) 857-7956
DR. KANWAL KHAN M.D.
Internal Medicine
224 S WOODS MILL RD STE 410S
CHESTERFIELD, MO 63017
St. Louis County (314) 878-7220
LORIE CAMPBELL
Nurse Practitioner (Family)
224 S WOODS MILL RD STE 410S
CHESTERFIELD, MO 63017
St. Louis County (636) 685-7795

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Crystal O'brien's NPI number?

The NPI number for Crystal O'brien is 1366898678. It was assigned to this individual provider in the NPPES registry on May 5, 2016. The provider is also known as Crystal Pauls Nurse Practitioner.

Where is Crystal O'brien located?

Crystal O'brien practices at 224 S Woods Mill Rd Ste 410S, Chesterfield, MO 63017. The listed phone number is (636) 685-7795.

What is Crystal O'brien's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

When was this NPI record last updated?

The NPPES record for Crystal O'brien was last updated on September 3, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.