CHRISTOPHER WILLIAM KLEIN CAA
NPI 1285418277
Anesthesiologist Assistant in Jacksonville, FL
About Christopher William Klein Caa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER WILLIAM KLEIN CAA (NPI 1285418277) is an individual anesthesiologist assistant in Jacksonville, Florida, licensed in Florida (AA909) and active in the NPI registry since August 2023. He is affiliated with Ascension St Vincent's Riverside and is a graduate of Other (2023).
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)
Christopher William Klein Caa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Christopher Klein reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jacksonville, FL 32204
- Reassigned Medicare billing, Florida enrollment
- 177 clinicians in this Medicare group
Maitland, FL 32751
- Reassigned Medicare billing, Florida enrollment
- 2,356 clinicians in this Medicare group
Kennesaw, GA 30152
- Reassigned Medicare billing, Georgia enrollment
- 629 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Vincent's Riverside
Acute Care Hospitals · Jacksonville, FLAscension St Vincent's Southside
Acute Care Hospitals · Jacksonville, FLAscension St Vincent's St Johns County
Acute Care Hospitals · St Johns, FLWellstar North Fulton Hospital
Acute Care Hospitals · Roswell, GAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSONVILLE, FL 32204
JACKSONVILLE, FL 32204
JACKSONVILLE, FL 32204
JACKSONVILLE, FL 32204
JACKSONVILLE, FL 32204
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 Christopher Klein's NPI number?
The NPI number for Christopher Klein is 1285418277. It was assigned to this individual provider in the NPPES registry on August 22, 2023.
Where is Christopher Klein located?
Christopher Klein practices at 1 Shircliff Way, Jacksonville, FL 32204. The listed phone number is (904) 308-7300.
What is Christopher Klein's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Christopher Klein enrolled in Medicare?
Yes. Christopher Klein is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Christopher Klein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Klein reassigns Medicare benefits to 3 organizations: North Florida Anesthesia Consultants Inc (Jacksonville, FL), Us Anesthesia Partners Of Florida Inc. (Maitland, FL) and Mak Anesthesia Holdings LLC (Kennesaw, GA). 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 Christopher Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Christopher Klein affiliated with any hospitals?
According to CMS data, Christopher Klein is affiliated with Ascension St Vincent's Riverside, Ascension St Vincent's Southside, Ascension St Vincent's St Johns County and Wellstar North Fulton Hospital.
When was this NPI record last updated?
The NPPES record for Christopher Klein was last updated on February 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Christopher William Klein, CAA · NPI 1285418277
Anesthesiologist Assistant physician in Jacksonville, Florida. Individual provider, active in the CMS NPPES registry since August 22, 2023.
## Identity
- **NPI:** 1285418277 (Entity type: Individual)
- **Enumerated:** August 22, 2023
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** AA909 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 SHIRCLIFF WAY, Jacksonville, FL 32204-4748
- **Phone:** (904) 308-7300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): North Florida Anesthesia Consultants Inc (NPI 1255009296, Jacksonville, FL); Us Anesthesia Partners Of Florida Inc. (NPI 1518910520, Maitland, FL); Mak Anesthesia Holdings LLC (NPI 1912452939, Kennesaw, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** February 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1285418277) · Data from the CMS NPPES public registry.