DR. JIAFU OU MD
NPI 1093924003
Internal Medicine - Cardiovascular Disease in Saint Louis, MO
About Dr. Jiafu Ou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JIAFU OU MD (NPI 1093924003) is an individual cardiovascular disease provider in Saint Louis, Missouri, licensed in Illinois (036167187) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Osf Saint Anthony's Health Center, and maintains a secondary practice location in Saint Louis.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jiafu Ou Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Jiafu Ou reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 clinicians in this Medicare group
Cuba, MO 65453
- Reassigned Medicare billing, Missouri enrollment
- 1,487 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Osf Saint Anthony's Health Center
Acute Care Hospitals · Alton, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63106
SAINT LOUIS, MO 63106
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 Jiafu Ou's NPI number?
The NPI number for Jiafu Ou is 1093924003. It was assigned to this individual provider in the NPPES registry on May 22, 2007.
Where is Jiafu Ou located?
Jiafu Ou practices at 915 N Grand Blvd, Saint Louis, MO 63106. The listed phone number is (314) 652-4100.
What is Jiafu Ou's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Jiafu Ou enrolled in Medicare?
Yes. Jiafu Ou is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jiafu Ou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jiafu Ou reassigns Medicare benefits to 3 organizations: Washington University (Saint Louis, MO), Mercy Clinic Springfield Communities (Cuba, MO) and Osf Multi-Specialty Group (Peoria, IL). Each 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 Jiafu Ou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jiafu Ou accept?
Health plans from Medica list Jiafu 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.
Is Jiafu Ou affiliated with any hospitals?
According to CMS data, Jiafu Ou is affiliated with Osf Saint Anthony's Health Center.
When was this NPI record last updated?
The NPPES record for Jiafu Ou was last updated on May 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Jiafu Ou, MD · NPI 1093924003
Cardiovascular Disease physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 22, 2007.
## Identity
- **NPI:** 1093924003 (Entity type: Individual)
- **Enumerated:** May 22, 2007
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 036167187 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 915 N GRAND BLVD, Saint Louis, MO 63106-1621
- **Phone:** (314) 652-4100 · **Fax:** (314) 289-7029
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Washington University (NPI 1992746903, Saint Louis, MO); Mercy Clinic Springfield Communities (NPI 1063541704, Cuba, MO); Osf Multi-Specialty Group (NPI 1922445527, Peoria, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** May 7, 2024
- **Other identifiers:** Medicaid ENROLLED (IL); Medicaid 209595008 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1093924003) · Data from the CMS NPPES public registry.