Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

David Marshall Feller, MD

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1457935058

David Marshall Feller, MD is an Anesthesiology in Eau Claire, Wisconsin. Graduated from Medical College of Wisconsin in 2021, 5 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
5
Trained at
Medical College of Wisconsin
Licensed in
MN, WI
In the registry since
2021
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1400 Bellinger St
Eau Claire, WI 54703-5222
Phone: (715) 838-5222
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1216 2nd St Sw, Rochester, MN 55902-1906 — (507) 255-5123
  • 200 1st St Sw, Rochester, MN 55905-0001 — (507) 284-2511

Specialties & licences

Critical Care Medicine (Anesthesiology) Physician (primary) Taxonomy 207LC0200X · Licence 86772 (WI)
Critical Care Medicine (Anesthesiology) Physician Taxonomy 207LC0200X · Licence 71945 (MN)
Anesthesiology Physician Taxonomy 207L00000X · Licence 71945 (MN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 31563 (MN)

Record details

NPI number1457935058
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 10, 2021
Last updated in NPPESJuly 30, 2026
Certification dateJuly 30, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2021 (5 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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