DAVID MARSHALL FELLER MD
NPI 1457935058
Anesthesiology - Critical Care Medicine in Eau Claire, WI
About David Marshall Feller Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID MARSHALL FELLER MD (NPI 1457935058) is an individual critical care medicine provider in Eau Claire, Wisconsin, licensed in Wisconsin (86772) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
David Marshall Feller Md 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic Hospital Rochester
Acute Care Hospitals · Rochester, MNOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 David Feller's NPI number?
The NPI number for David Feller is 1457935058. It was assigned to this individual provider in the NPPES registry on May 10, 2021.
Where is David Feller located?
David Feller practices at 1400 Bellinger St, Eau Claire, WI 54703. The listed phone number is (715) 838-5222.
What is David Feller's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is David Feller enrolled in Medicare?
Yes. David Feller 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.
Is David Feller affiliated with any hospitals?
According to CMS data, David Feller is affiliated with Mayo Clinic Hospital Rochester.
When was this NPI record last updated?
The NPPES record for David Feller was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.
# David Marshall Feller, MD · NPI 1457935058
Critical Care Medicine physician in Eau Claire, Wisconsin. Individual provider, active in the CMS NPPES registry since May 10, 2021.
## Identity
- **NPI:** 1457935058 (Entity type: Individual)
- **Enumerated:** May 10, 2021
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **State license:** 86772 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 BELLINGER ST, Eau Claire, WI 54703-5222
- **Phone:** (715) 838-5222
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Medical College Of Wisconsin, class of 2021
## Record status
- **NPPES last updated:** July 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1457935058) · Data from the CMS NPPES public registry.