NPPES file of Aug 9, 2026

Crystal O'Brien

Adult Health Nurse Practitioner · Chesterfield, MO

Crystal O'Brien is an adult health nurse practitioner with a practice address in Chesterfield, Missouri, and NPI 1366898678, issued on May 5, 2016. Check the license (Missouri 2016003050, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366898678
Name
Crystal O'Brien
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
2016003050 MO
Self-reported in NPPES; status is on the state search
Practice location
224 S Woods Mill RD Ste 410S, Chesterfield, MO 63017
Phone
(636) 685-7795
Enumerated
May 5, 2016
Record last updated
Sep 3, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(314) 590-5959
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest adult health nurse practitioner records → All 794 in Missouri → Look up another NPI →

Also registered at 224 S Woods Mill RD Ste 410S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lorie CampbellFamily Nurse Practitioner1831552728
  2. Elie Chahla, MDGastroenterology Physician1205082633
  3. Kanwal Khan, M.D.Internal Medicine Physician1659537454

Verify Crystal O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2016003050    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Missouri license search

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Industry payments in 2024: $22.60

1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Crystal O'Brien$22.60
  2. Specialty average$946.40

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Crystal O'Brien among 794 adult health nurse practitioner records in Missouri

Crystal O'Brien is one of 794 adult health nurse practitioner records with a practice address in Missouri. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 69% of them.

  • NPI issued2016 · 69% of these records are older, 24% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

43 adult health nurse practitioner records list a practice address in Chesterfield

They are 43 of the 2,132 NPPES records with a practice address in Chesterfield, and 794 adult health nurse practitioner records in Missouri.

All 794 in Missouri → Every provider in Chesterfield → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Elizabeth Baker, NPChesterfield, MO 630171720310840
  2. Sarah Berra, ANP-BC,OCNChesterfield, MO 630171154650562
  3. Kimberly Brune Shrum, NP-CChesterfield, MO 630171760798508
  4. Cecile Calabio, ANPChesterfield, MO 630171275573966
  5. Cathy Coleman, ANPChesterfield, MO 630171205149366
  6. Gina Gerberding-Powley, ANP,MSN,RNChesterfield, MO 630171922103134
  7. Judith Jeglijewski, APRN, BC, MS, CDEChesterfield, MO 630171902830151
  8. Laurencia Klipfel, RN, APRN-BCChesterfield, MO 630171689607392

Common questions

What is Crystal O'Brien's NPI number?

Crystal O'Brien's National Provider Identifier (NPI) is 1366898678, issued on May 5, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Crystal O'Brien located?

The NPPES record lists a practice address at 224 S Woods Mill RD Ste 410S, Chesterfield, MO, 63017. Phone: (636) 685-7795. Providers update this record themselves, so call before visiting.

How can I verify Crystal O'Brien's license?

NPPES lists Missouri license number 2016003050, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.