PHILLIP RZYCKI AA
NPI 1891509931
Anesthesiologist Assistant in Saint Louis, MO
About Phillip Rzycki Aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PHILLIP RZYCKI AA (NPI 1891509931) is an individual anesthesiologist assistant in Saint Louis, Missouri, licensed in Missouri (2025021757) and active in the NPI registry since February 2025. He is affiliated with Mercy Hospital South, maintains a secondary practice location in Saint Louis, and is a graduate of University Of Missouri, Kansas City, School Of Medicine (2025).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Phillip Rzycki Aa 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 Phillip Rzycki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 106 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital South
Acute Care Hospitals · Saint Louis, MOOther 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 63128
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 Phillip Rzycki's NPI number?
The NPI number for Phillip Rzycki is 1891509931. It was assigned to this individual provider in the NPPES registry on February 6, 2025.
Where is Phillip Rzycki located?
Phillip Rzycki practices at 10010 Kennerly Rd, Saint Louis, MO 63128. The listed phone number is (314) 525-1000.
What is Phillip Rzycki's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Phillip Rzycki enrolled in Medicare?
Yes. Phillip Rzycki 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 Phillip Rzycki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Phillip Rzycki reassigns Medicare benefits to South County Anesthesia Associates, Ltd. (Saint Louis, MO). 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 Phillip Rzycki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Phillip Rzycki affiliated with any hospitals?
According to CMS data, Phillip Rzycki is affiliated with Mercy Hospital South.
When was this NPI record last updated?
The NPPES record for Phillip Rzycki was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.
# Phillip Rzycki, AA · NPI 1891509931
Anesthesiologist Assistant physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since February 6, 2025.
## Identity
- **NPI:** 1891509931 (Entity type: Individual)
- **Enumerated:** February 6, 2025
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 2025021757 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 10010 KENNERLY RD, Saint Louis, MO 63128-2106
- **Phone:** (314) 525-1000 · **Fax:** (636) 386-7810
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** South County Anesthesia Associates, Ltd. (NPI 1821031659, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri, Kansas City, School Of Medicine, class of 2025
## Record status
- **NPPES last updated:** July 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891509931) · Data from the CMS NPPES public registry.