AIYING ANGIE XIAO MD
NPI 1316259385
Psychiatry & Neurology - Psychiatry in Festus, MO
About Aiying Angie Xiao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AIYING ANGIE XIAO MD (NPI 1316259385) is an individual psychiatry provider in Festus, Missouri, licensed in Missouri (2014034920) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and is a graduate of Other (1990).
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 and accepts Medicare assignment
Aiying Angie Xiao 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 Reassignment
Medicare enrollment records show Aiying Xiao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 63028 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.
FESTUS, MO 63028
FESTUS, MO 63028
FESTUS, MO 63028
FESTUS, MO 63028
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 Aiying Xiao's NPI number?
The NPI number for Aiying Xiao is 1316259385. It was assigned to this individual provider in the NPPES registry on July 7, 2010.
Where is Aiying Xiao located?
Aiying Xiao practices at 1400 Us Highway 61 Suite H1341, Festus, MO 63028. The listed phone number is (636) 543-2230.
What is Aiying Xiao's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Aiying Xiao enrolled in Medicare?
Yes. Aiying Xiao 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 organization bills Medicare for Aiying Xiao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aiying Xiao reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Aiying Xiao'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 Aiying Xiao was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.