LYLE J STEFANICH MD
NPI 1497765143
Anesthesiology in Waterloo, IA
About Lyle J Stefanich Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LYLE J STEFANICH MD (NPI 1497765143) is an individual anesthesiology provider in Waterloo, Iowa, licensed in Iowa (39601) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and maintains a secondary practice location in Oklahoma City.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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
Lyle J Stefanich Md 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
2Medicare enrollment records show Lyle Stefanich reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 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 2
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.
Marshfield Medical Center
Acute Care Hospitals · Marshfield, WIMedicare 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.
WATERLOO, IA 50703
WATERLOO, IA 50703
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 Lyle Stefanich's NPI number?
The NPI number for Lyle Stefanich is 1497765143. It was assigned to this individual provider in the NPPES registry on August 8, 2006.
Where is Lyle Stefanich located?
Lyle Stefanich practices at 1825 Logan Ave, Waterloo, IA 50703. The listed phone number is (319) 235-3886.
What is Lyle Stefanich's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Lyle Stefanich enrolled in Medicare?
Yes. Lyle Stefanich 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 Lyle Stefanich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lyle Stefanich reassigns Medicare benefits to 2 organizations: Mchs Hospitals Inc (Eau Claire, WI) and Marshfield Clinic Inc (Marshfield, WI). 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 Lyle Stefanich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lyle Stefanich accept?
Health plans from Sanford Health Plan list Lyle Stefanich as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Lyle Stefanich affiliated with any hospitals?
According to CMS data, Lyle Stefanich is affiliated with Marshfield Medical Center.
When was this NPI record last updated?
The NPPES record for Lyle Stefanich was last updated on April 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Lyle J Stefanich, MD · NPI 1497765143
Anesthesiology physician in Waterloo, Iowa. Individual provider, active in the CMS NPPES registry since August 8, 2006.
## Identity
- **NPI:** 1497765143 (Entity type: Individual)
- **Enumerated:** August 8, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 39601 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1825 LOGAN AVE, Waterloo, IA 50703-1916
- **Phone:** (319) 235-3886
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mchs Hospitals Inc (NPI 1316416035, Eau Claire, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** April 2, 2021
- **Other identifiers:** Medicaid 312182000 (MN)
---
Source: [NPI Profile](https://npiprofile.com/npi/1497765143) · Data from the CMS NPPES public registry.