Doctor profile · Federal record

Dr. Fritz Karsnia, CRNA

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

  • NPI 1477738821
  • Accepts Medicare
  • MIPS 85.2 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2251 N Shore Dr
Rhinelander, WI 545018360
(715) 361-2000

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
May 21, 2010
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Wisconsin #078537

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477738821. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$2,440
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 18 18 $136

In context: peer comparison

Among 3 peers in Rhinelander Certified Registered Nurse Anesthetist, average services per provider: 16. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $14.00

By nature of payment

Food and Beverage
$14

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Fritz Karsnia's medical specialty?
Dr. Fritz Karsnia practices Certified Registered Nurse Anesthetist in Rhinelander, WI.
Where does Dr. Fritz Karsnia practice?
Dr. Fritz Karsnia practices at 2251 N Shore Dr, Rhinelander, WI 545018360. Office phone: 7153612000.
What is Dr. Fritz Karsnia's NPI?
Dr. Fritz Karsnia's National Provider Identifier (NPI) is 1477738821, issued by NPPES.
Does Dr. Fritz Karsnia accept Medicare assignment?
Yes. Dr. Fritz Karsnia accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Fritz Karsnia commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.