NPPES file of Aug 9, 2026

Spencer Adam Fenn, CRNA

Certified Registered Nurse Anesthetist · Eau Claire, WI

Spencer Adam Fenn, CRNA is a certified registered nurse anesthetist with a practice address in Eau Claire, Wisconsin, and NPI 1417604315, issued on Mar 10, 2022. Check the license (Wisconsin 102251, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417604315
Name
Spencer Adam Fenn
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
102251 WI
275875 AZ
Self-reported in NPPES; status is on the state search
Practice location
1221 Whipple St, Eau Claire, WI 54703
Phone
(715) 838-5222
Enumerated
Mar 10, 2022
Record last updated
Oct 25, 2024
Medicare enrollment
Enrolled (PECOS I20241101002861); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1221 Whipple St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Justine Abel, DOEmergency Medicine Physician1861830507
  2. Andera Anderson, RPHPharmacist1598213761
  3. Andrea Anderson, CRNACertified Registered Nurse Anesthetist1033101894
  4. Charlene Anderson, APNPNurse Practitioner1194057752
  5. Gwen Anderson, CRNACertified Registered Nurse Anesthetist1316103369
  6. Hailee Anderson, CRNACertified Registered Nurse Anesthetist1598453425

Verify Spencer Adam Fenn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 102251
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 78.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score69.1
  2. Costout of 100 · 30%59.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Spencer Adam Fenn among 1,241 certified registered nurse anesthetist records in Wisconsin

Spencer Adam Fenn, CRNA is one of 1,241 certified registered nurse anesthetist records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 87% of them.

  • NPI issued2022 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2022 · median 2013 among the 932 with a school on file
  • Record last updated2024 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

82 certified registered nurse anesthetist records list a practice address in Eau Claire

They are 82 of the 3,085 NPPES records with a practice address in Eau Claire, and 1,241 certified registered nurse anesthetist records in Wisconsin.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Andrea Anderson, CRNAEau Claire, WI 547031033101894
  2. Carol Bowe, CRNAEau Claire, WI 547031205828290
  3. Norma Gordon, CRNAEau Claire, WI 547031972595973
  4. Ellen Harris, CRNAEau Claire, WI 547031265434955
  5. David Jessen, CRNAEau Claire, WI 547031407848401
  6. Leslie Johnson, CRNAEau Claire, WI 547031245222009
  7. David Langlais, CRNAEau Claire, WI 547031225032030
  8. Lynne McLeod, CRNAEau Claire, WI 547031326030222

Common questions

What is Spencer Adam Fenn, CRNA's NPI number?

Spencer Adam Fenn, CRNA's National Provider Identifier (NPI) is 1417604315, issued on Mar 10, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Spencer Adam Fenn, CRNA located?

The NPPES record lists a practice address at 1221 Whipple St, Eau Claire, WI, 54703. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.

How can I verify Spencer Adam Fenn, CRNA's license?

NPPES lists Wisconsin license number 102251, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

What is Spencer Adam Fenn, CRNA's MIPS final score?

The 2023 MIPS final score is 78.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.