STEVEN GASPER CRNA
NPI 1043238405
Nurse Anesthetist, Certified Registered in Merrill, WI
About Steven Gasper Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN GASPER CRNA (NPI 1043238405) is an individual nurse anesthetist, certified registered in Merrill, Wisconsin, licensed in Wisconsin (142133030) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Steven Gasper Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
9Medicare enrollment records show Steven Gasper reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 clinicians in this Medicare group
Wausau, WI 54401
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Aspirus Riverview Hospital & Clinics Inc
- 397 clinicians in this Medicare group
Wausau, WI 54401
- Reassigned Medicare billing, Wisconsin enrollment
- 54 clinicians in this Medicare group
Wausau, WI 54401
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Tomahawk, WI 54487
- Reassigned Medicare billing, Wisconsin enrollment
- 935 clinicians in this Medicare group
Athens, WI 54411
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 619 clinicians in this Medicare group
Woodruff, WI 54568
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Howard Young Medical Center Inc Of Woodruff Wisconsin
- Also billed through NPI 1306898838 (Wisconsin)
- 358 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54452 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MERRILL, WI 54452
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Gasper's NPI number?
The NPI number for Steven Gasper is 1043238405. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Steven Gasper located?
Steven Gasper practices at 601 S Center Ave, Merrill, WI 54452. The listed phone number is (715) 539-5136.
What is Steven Gasper's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Steven Gasper enrolled in Medicare?
Yes. Steven Gasper is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Steven Gasper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Gasper reassigns Medicare benefits to 9 organizations: Aspirus Merrill Hospital & Clinics, Inc. (Merrill, WI), Aspirus Medical Group, Inc. (Wausau, WI), Gastrointestinal Associates S.C. (Wausau, WI), Mchs Hospitals Inc (Wausau, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Tomahawk, WI) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Gasper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Steven Gasper was last updated on November 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Steven Gasper, CRNA · NPI 1043238405
Nurse Anesthetist, Certified Registered physician in Merrill, Wisconsin. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1043238405 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 142133030 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 S CENTER AVE, Merrill, WI 54452-3404
- **Phone:** (715) 539-5136
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Aspirus Merrill Hospital & Clinics, Inc. (NPI 1124084678, Merrill, WI); Aspirus Medical Group, Inc. (NPI 1689976474, Wausau, WI); Gastrointestinal Associates S.C. (NPI 1760546949, Wausau, WI); Mchs Hospitals Inc (NPI 1164159109, Wausau, WI); Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (NPI 1598715401, Tomahawk, WI); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** November 17, 2022
- **Other identifiers:** Other 002721305 (WI); Other 391330887 (WI); Other 80335 (WI); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1043238405) · Data from the CMS NPPES public registry.