MR. DANIEL R FRIEDRICH AA
NPI 1659009637
Anesthesiologist Assistant in Saint Louis, MO
About Mr. Daniel R Friedrich Aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DANIEL R FRIEDRICH AA (NPI 1659009637) is an individual anesthesiologist assistant in Saint Louis, Missouri, licensed in Missouri (2022037825) and active in the NPI registry since August 2022. He is affiliated with Mercy Hospital St Louis and is a graduate of Other (2022).
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
Mr. Daniel R Friedrich 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 Reassignments
2Medicare enrollment records show Daniel Friedrich reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 309 clinicians in this Medicare group
Saint Louis, MO 63136
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: Midwest Anesthesia Providers Sc
- 230 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 2
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, MOBarnes-Jewish St Peters Hospital
Acute Care Hospitals · Saint Peters, 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 Daniel Friedrich's NPI number?
The NPI number for Daniel Friedrich is 1659009637. It was assigned to this individual provider in the NPPES registry on August 9, 2022.
Where is Daniel Friedrich located?
Daniel Friedrich practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-6000.
What is Daniel Friedrich's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Daniel Friedrich enrolled in Medicare?
Yes. Daniel Friedrich 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 Daniel Friedrich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Friedrich reassigns Medicare benefits to 2 organizations: Western Anesthesiology Associates, Inc. (Saint Louis, MO) and Midwest Anesthesia Providers S.C (Saint Louis, MO). 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 Daniel Friedrich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Daniel Friedrich affiliated with any hospitals?
According to CMS data, Daniel Friedrich is affiliated with Mercy Hospital St Louis and Barnes-Jewish St Peters Hospital.
When was this NPI record last updated?
The NPPES record for Daniel Friedrich was last updated on September 21, 2022. 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.
# Mr. Daniel R Friedrich, AA · NPI 1659009637
Anesthesiologist Assistant physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since August 9, 2022.
## Identity
- **NPI:** 1659009637 (Entity type: Individual)
- **Enumerated:** August 9, 2022
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 2022037825 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, Saint Louis, MO 63141-8221
- **Phone:** (314) 251-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Western Anesthesiology Associates, Inc. (NPI 1275646754, Saint Louis, MO); Midwest Anesthesia Providers S.C (NPI 1295189082, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** September 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1659009637) · Data from the CMS NPPES public registry.