DR. MICHAEL FELDMEIER M.D.
NPI 1992024681
Emergency Medicine in Saint Louis, MO
About Dr. Michael Feldmeier M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL FELDMEIER M.D. (NPI 1992024681) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2013021747) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Dr. Michael Feldmeier M.d. 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
5Medicare enrollment records show Michael Feldmeier reassigns Medicare billing to 5 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
- 241 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- 186 clinicians in this Medicare group
Winfield, MO 63389
- Reassigned Medicare billing, Missouri enrollment
- 229 clinicians in this Medicare group
Washington, MO 63090
- Reassigned Medicare billing, Missouri enrollment
- 178 clinicians in this Medicare group
Festus, MO 63028
- Reassigned Medicare billing, Missouri enrollment
- 118 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 3
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, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63141 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other 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 Michael Feldmeier's NPI number?
The NPI number for Michael Feldmeier is 1992024681. It was assigned to this individual provider in the NPPES registry on May 20, 2010.
Where is Michael Feldmeier located?
Michael Feldmeier practices at 615 S New Ballas Rd, Saint Louis, MO 63141. The listed phone number is (314) 251-6816.
What is Michael Feldmeier's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Feldmeier enrolled in Medicare?
Yes. Michael Feldmeier 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 Michael Feldmeier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Feldmeier reassigns Medicare benefits to 5 organizations: Mercy Hospitals East Communities (Saint Louis, MO), Mercy Hospital South (Saint Louis, MO), Mercy Hospital Lincoln (Winfield, MO), Mercy Hospitals East Communities (Washington, MO) and Mercy Hospital Jefferson (Festus, 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 Michael Feldmeier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Feldmeier affiliated with any hospitals?
According to CMS data, Michael Feldmeier is affiliated with Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Michael Feldmeier was last updated on August 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Michael Feldmeier, M.D. · NPI 1992024681
Emergency Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since May 20, 2010.
## Identity
- **NPI:** 1992024681 (Entity type: Individual)
- **Enumerated:** May 20, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 2013021747 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 615 S NEW BALLAS RD, Saint Louis, MO 63141-8221
- **Phone:** (314) 251-6816
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Mercy Hospitals East Communities (NPI 1427098169, Saint Louis, MO); Mercy Hospital South (NPI 1568481984, Saint Louis, MO); Mercy Hospital Lincoln (NPI 1386040178, Winfield, MO); Mercy Hospitals East Communities (NPI 1104912997, Washington, MO); Mercy Hospital Jefferson (NPI 1508859661, Festus, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri, Columbia School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** August 30, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1992024681) · Data from the CMS NPPES public registry.