JUSTIN ROSS ELLINGWORTH CAA
NPI 1780243451
Anesthesiologist Assistant in Saint Louis, MO
About Justin Ross Ellingworth Caa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTIN ROSS ELLINGWORTH CAA (NPI 1780243451) is an individual anesthesiologist assistant in Saint Louis, Missouri, licensed in Missouri (2025024808) and active in the NPI registry since June 2019. He is affiliated with Ssm Health St Mary's Hospital - St Louis, maintains a secondary practice location in Indianapolis, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Justin Ross Ellingworth Caa 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
4Medicare enrollment records show Justin Ellingworth reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 39 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 88 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 259 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.
Ssm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, 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 63104
SAINT LOUIS, MO 63104
ST.LOUIS, MO 63104
SAINT LOUIS, MO 63104
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 Justin Ellingworth's NPI number?
The NPI number for Justin Ellingworth is 1780243451. It was assigned to this individual provider in the NPPES registry on June 6, 2019.
Where is Justin Ellingworth located?
Justin Ellingworth practices at 1465 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 617-2000.
What is Justin Ellingworth's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Justin Ellingworth enrolled in Medicare?
Yes. Justin Ellingworth 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 Justin Ellingworth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Ellingworth reassigns Medicare benefits to 4 organizations: Ssm Health Care Group (Saint Louis, MO), Wishard Anesthesia Group, LLC (Indianapolis, IN), Iu Anesthesiology Associates-Pediatrics, LLC (Indianapolis, IN) and Iu Anesthesiology Associates, LLC (Indianapolis, IN). 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 Justin Ellingworth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Justin Ellingworth accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and Cigna Healthcare list Justin Ellingworth 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 Justin Ellingworth affiliated with any hospitals?
According to CMS data, Justin Ellingworth is affiliated with Ssm Health St Mary's Hospital - St Louis.
When was this NPI record last updated?
The NPPES record for Justin Ellingworth was last updated on July 8, 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.
# Justin Ross Ellingworth, CAA · NPI 1780243451
Anesthesiologist Assistant physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 6, 2019.
## Identity
- **NPI:** 1780243451 (Entity type: Individual)
- **Enumerated:** June 6, 2019
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 2025024808 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1465 S GRAND BLVD, Saint Louis, MO 63104-1003
- **Phone:** (314) 617-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Ssm Health Care Group (NPI 1306589544, Saint Louis, MO); Wishard Anesthesia Group, LLC (NPI 1477505022, Indianapolis, IN); Iu Anesthesiology Associates-Pediatrics, LLC (NPI 1083651335, Indianapolis, IN); Iu Anesthesiology Associates, LLC (NPI 1285684407, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** July 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1780243451) · Data from the CMS NPPES public registry.