Fritz Karsnia, CRNA
NPI 1477738821 · Certified Registered Nurse Anesthetist · Rhinelander, WI
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fritz Karsnia, CRNA is a Certified Registered Nurse Anesthetist provider in Rhinelander, WI (NPI 1477738821).
Provider details
- NPI number
- 1477738821
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 078537 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-04
- Last updated
- 2010-05-21
Frequently asked questions
- What is Fritz Karsnia's NPI number?
- Fritz Karsnia's National Provider Identifier (NPI) is 1477738821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fritz Karsnia's specialty?
- Fritz Karsnia is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Fritz Karsnia located?
- Fritz Karsnia's practice location on file with NPPES is 2251 N Shore Dr, Rhinelander, WI 54501-8360.
- What is Fritz Karsnia's phone number?
- The practice phone number listed in the NPPES registry for Fritz Karsnia is (715) 361-2000.
- Does Fritz Karsnia accept Medicare?
- Fritz Karsnia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fritz Karsnia's NPI active?
- Yes — Fritz Karsnia's NPI (1477738821) is active in the NPPES registry as of the last update on 2010-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.