JOCELYN OU MD
NPI 1912393810
Pediatrics - Neonatal-Perinatal Medicine in St. Louis, MO

Active since April 08, 2015PECOS Enrolled
1 CHILDREN'S PL. CB 8116, ST. LOUIS, MO 63110(314) 454-6148(314) 454-4633 Get Directions Write a Review

NPPES record last updated: July 30, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2021, Nov 20, 2018 (2 updates tracked since 2018).

About Jocelyn Ou Md NPPES

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

JOCELYN OU MD (NPI 1912393810) is an individual neonatal-perinatal medicine provider in St. Louis, Missouri, licensed in Missouri (2018008659) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912393810
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameJOCELYN OUCredential: MD
Location Address1 CHILDREN'S PL. CB 8116St. Louis, MO 63110-6311
Mailing Address1 Childrens Pl, Cb8116Saint Louis, MO 63110-1002 · (314) 454-6148 · Fax (314) 454-4633
Fax(314) 454-4633
Sole ProprietorNo
Enumeration DateApril 8, 2015
Last NPPES UpdateJuly 30, 20212 updates tracked since enumeration
NPPES CertifiedJuly 30, 2021
✔ NPI 1912393810 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in MO · 2018008659✔ Licensed in GA · 88536
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
1 CHILDREN'S PL. CB 8116, St. Louis, MO 63110

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jocelyn Ou Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jocelyn Ou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
80 JESSE HILL JR DRIVE, EMCF
Atlanta, GA 30303
  • Reassigned Medicare billing, Georgia enrollment
  • 2,681 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Jocelyn Ou's NPI number?

The NPI number for Jocelyn Ou is 1912393810. It was assigned to this individual provider in the NPPES registry on April 8, 2015.

Where is Jocelyn Ou located?

Jocelyn Ou practices at 1 Children's Pl. Cb 8116, St. Louis, MO 63110. The listed phone number is (314) 454-6148.

What is Jocelyn Ou's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Jocelyn Ou enrolled in Medicare?

Yes. Jocelyn Ou is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jocelyn Ou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jocelyn Ou reassigns Medicare benefits to Emory Medical Care Foundation Inc (Atlanta, GA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jocelyn Ou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jocelyn Ou accept?

Health plans from Oscar Health list Jocelyn Ou as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jocelyn Ou was last updated on July 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.