STEVEN ROBERT HOFACKER C-AA
NPI 1629565668
Anesthesiologist Assistant in La Crosse, WI
About Steven Robert Hofacker C-aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN ROBERT HOFACKER C-AA (NPI 1629565668) is an individual anesthesiologist assistant in La Crosse, Wisconsin and active in the NPI registry since April 2018. He is affiliated with Gundersen Lutheran Medical Center, maintains a secondary practice location in La Crosse, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 Robert Hofacker C-aa 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 Reassignment
Medicare enrollment records show Steven Hofacker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA CROSSE, WI 54601
LA CROSSE, WI 54601
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 Hofacker's NPI number?
The NPI number for Steven Hofacker is 1629565668. It was assigned to this individual provider in the NPPES registry on April 16, 2018.
Where is Steven Hofacker located?
Steven Hofacker practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Steven Hofacker's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Steven Hofacker enrolled in Medicare?
Yes. Steven Hofacker 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 organization bills Medicare for Steven Hofacker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Hofacker reassigns Medicare benefits to Gundersen Lutheran Medical Center, Inc (La Crosse, WI). The 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 Hofacker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Steven Hofacker affiliated with any hospitals?
According to CMS data, Steven Hofacker is affiliated with Gundersen Lutheran Medical Center.
When was this NPI record last updated?
The NPPES record for Steven Hofacker was last updated on June 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 Robert Hofacker, C-AA · NPI 1629565668
Anesthesiologist Assistant physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since April 16, 2018.
## Identity
- **NPI:** 1629565668 (Entity type: Individual)
- **Enumerated:** April 16, 2018
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 1836 SOUTH AVE, La Crosse, WI 54601
- **Phone:** (608) 782-7300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Gundersen Lutheran Medical Center, Inc (NPI 1619210895, La Crosse, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2018
## Record status
- **NPPES last updated:** June 19, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1629565668) · Data from the CMS NPPES public registry.