Doctor profile · Federal record

Dr. CRYSTAL O'BRIEN

Adult Health Nurse Practitioner · CHESTERFIELD, MO

  • NPI 1366898678
  • 10 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
224 S WOODS MILL RD STE 410S
CHESTERFIELD, MO 630173605
(636) 685-7795
fax (314) 590-5959
Additional location
5551 Winghaven Blvd Ste 260
O Fallon, MO 633683630
Mailing address
3221 MCKELVEY RD STE 301
BRIDGETON, MO 630442551

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
September 3, 2020
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Missouri #2016003050

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366898678. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $22.60

By nature of payment

Food and Beverage
$23

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 21, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›