DIANE AUM
NPI 1154816163
Neurological Surgery in Saint Louis, MO
About Diane Aum NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE AUM (NPI 1154816163) is an individual neurological surgery provider in Saint Louis, Missouri, licensed in Missouri (2018017090) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diane Aum is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diane Aum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Diane Aum's NPI number?
The NPI number for Diane Aum is 1154816163. It was assigned to this individual provider in the NPPES registry on June 22, 2018.
Where is Diane Aum located?
Diane Aum practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. The listed phone number is (314) 362-5000.
What is Diane Aum's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Diane Aum enrolled in Medicare?
Yes. Diane Aum is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diane Aum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Aum reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA). 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 Diane Aum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Diane Aum was last updated on June 22, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.