BENJAMIN A YODER AA
NPI 1942205281
Anesthesiologist Assistant in Saint Louis, MO
About Benjamin A Yoder Aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN A YODER AA (NPI 1942205281) is an individual anesthesiologist assistant in Saint Louis, Missouri and active in the NPI registry since June 2005. He is affiliated with Mercy Hospital St Louis and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Benjamin A Yoder 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 Benjamin Yoder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 309 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital St Louis
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 63141
SAINT LOUIS, MO 63141
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 Benjamin Yoder's NPI number?
The NPI number for Benjamin Yoder is 1942205281. It was assigned to this individual provider in the NPPES registry on June 14, 2005.
Where is Benjamin Yoder located?
Benjamin Yoder practices at 615 S New Ballas Rd Dept Of Anesthesiology, Saint Louis, MO 63141. The listed phone number is (636) 386-9224.
What is Benjamin Yoder's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Benjamin Yoder enrolled in Medicare?
Yes. Benjamin Yoder 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 Benjamin Yoder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Yoder reassigns Medicare benefits to Western Anesthesiology Associates, Inc. (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 Benjamin Yoder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Benjamin Yoder affiliated with any hospitals?
According to CMS data, Benjamin Yoder is affiliated with Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Benjamin Yoder was last updated on August 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Benjamin A Yoder, AA · NPI 1942205281
Anesthesiologist Assistant physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 14, 2005.
## Identity
- **NPI:** 1942205281 (Entity type: Individual)
- **Enumerated:** June 14, 2005
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, DEPT OF ANESTHESIOLOGY, Saint Louis, MO 63141-8221
- **Phone:** (636) 386-9224 · **Fax:** (636) 386-7679
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Western Anesthesiology Associates, Inc. (NPI 1275646754, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** August 19, 2016
- **Other identifiers:** Medicare UPIN P74976; Medicare PIN 0016 (WI); Medicaid 44312800 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1942205281) · Data from the CMS NPPES public registry.