David Marshall Feller, MD
Critical Care Medicine (Anesthesiology) Physician · Eau Claire, WI
David Marshall Feller, MD is a critical care medicine (anesthesiology) physician with a practice address in Eau Claire, Wisconsin, and NPI 1457935058, issued on May 10, 2021. Check the license (Wisconsin 86772, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David Marshall Feller
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Anesthesiology) Physician 207LC0200X
- License numbers
- 86772 WI
31563 MN
71945 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Bellinger St, Eau Claire, WI 54703
- Phone
- (715) 838-5222
- Enumerated
- May 10, 2021
- Record last updated
- Jul 30, 2026
- Medicare enrollment
- Enrolled (PECOS I20220824003134); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2021
- Entity
- Type 1 · individual
8 nearest critical care medicine (anesthesiology) physician records → All 22 in Wisconsin → Look up another NPI →
Also registered at 1400 Bellinger St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adeniyi Adenote, PT, DPTPhysical Therapist1114564333
- Kirsten Aexel Handley, CNMAdvanced Practice Midwife1952523078
- Andrea Aguayo, PHARMDPharmacist1003507492
- Boshra Al Ibraheem, MDFamily Medicine Physician1376399444
Verify David Marshall Feller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 86772Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mayo ClinicRochester, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Marshall Feller among 22 critical care medicine (anesthesiology) physician records in Wisconsin
David Marshall Feller, MD is one of 22 critical care medicine (anesthesiology) physician records with a practice address in Wisconsin. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 0% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2021 · median 2009 among the 17 with a school on file
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LC0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Anesthesiology) Physician providers in Wisconsin
There are 22 critical care medicine (anesthesiology) physician records in Wisconsin.
All 22 in Wisconsin → Every provider in Eau Claire → Critical Care Medicine (Anesthesiology) Physician nationwide →
The 8 critical care medicine (anesthesiology) physician records with the nearest ZIP codes
- David Koski, MDWoodruff, WI 545681992746556
- Kathryn Borsodi, M.D.Fond Du Lac, WI 549351720188212
- Robert Arrigo, M.D., M.S.Madison, WI 537921326425406
- Christopher Cassara, M.D.Madison, WI 537921508093501
- Gozde Demiralp, M.D.Madison, WI 537921972795383
- Anna Frackman, M.D.Madison, WI 537921932631256
- Jonathan Ketzler, MDMadison, WI 537921275509754
- Mark Leibel, MDMadison, WI 537921689655995
Common questions
What is David Marshall Feller, MD's NPI number?
David Marshall Feller, MD's National Provider Identifier (NPI) is 1457935058, issued on May 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is David Marshall Feller, MD located?
The NPPES record lists a practice address at 1400 Bellinger St, Eau Claire, WI, 54703. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.
How can I verify David Marshall Feller, MD's license?
NPPES lists Wisconsin license number 86772, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.