Doctor profile · Federal record

Dr. Spencer Fenn, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Eau Claire, WI

  • NPI 1417604315
  • Accepts Medicare
  • MIPS 78.6 / 100 · 2023
  • 4 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1221 Whipple St
Eau Claire, WI 547035200
(715) 838-5222
Additional location
13400 E Shea Blvd
Scottsdale, AZ 852595452
(480) 301-8000
Mailing address
200 1St St Sw
Rochester, MN 559050001

Credentials & registration

NPPES · NUCC
NPI registered
March 2022 — 4 yrs on file
Profile last updated
October 25, 2024
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Wisconsin #102251 · Arizona #275875

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417604315. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
70
Distinct HCPCS
4
Medicare allowed
$7,996
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 31 30 $97
00811 Anesthesia for other procedure on large bowel using an endoscope 14 14 $74
00400 Anesthesia for other procedure on skin of arms, legs, and front body 13 13 $100
01402 Anesthesia for procedure for total knee joint replacement 12 12 $222

In context: peer comparison

Among 18 peers in this city , average services per provider: 23. This provider delivers 3.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Spencer Fenn's medical specialty?
Dr. Spencer Fenn practices Certified Registered Nurse Anesthetist in Eau Claire, WI.
Where does Dr. Spencer Fenn practice?
Dr. Spencer Fenn practices at 1221 Whipple St, Eau Claire, WI 547035200. Office phone: 7158385222.
What is Dr. Spencer Fenn's NPI?
Dr. Spencer Fenn's National Provider Identifier (NPI) is 1417604315, issued by NPPES.
Does Dr. Spencer Fenn accept Medicare assignment?
Yes. Dr. Spencer Fenn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Spencer Fenn commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on skin of arms, legs, and front body (HCPCS 00400). Source: CMS Medicare Physician & Other Practitioners file.