CARL HENRY ZONDLO
NPI 1215549852
Nurse Anesthetist, Certified Registered in Medford, WI
About Carl Henry Zondlo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARL HENRY ZONDLO (NPI 1215549852) is an individual nurse anesthetist, certified registered in Medford, Wisconsin, licensed in Wisconsin (NA) and active in the NPI registry since August 2020. He is enrolled in Medicare PECOS, is affiliated with Aspirus Medford Hospital & Clinics, Inc, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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
Carl Henry Zondlo 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
3Medicare enrollment records show Carl Zondlo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Medford, WI 54451
- 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
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aspirus Medford Hospital & Clinics, Inc
Critical Access Hospitals · Medford, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54451 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.
MEDFORD, WI 54451
MEDFORD, WI 54451
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 Carl Zondlo's NPI number?
The NPI number for Carl Zondlo is 1215549852. It was assigned to this individual provider in the NPPES registry on August 17, 2020.
Where is Carl Zondlo located?
Carl Zondlo practices at 135 S Gibson St, Medford, WI 54451. The listed phone number is (715) 748-8100.
What is Carl Zondlo's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Carl Zondlo enrolled in Medicare?
Yes. Carl Zondlo 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 Carl Zondlo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carl Zondlo reassigns Medicare benefits to 3 organizations: Aspirus Medford Hospital & Clinics, Inc. (Medford, WI), Marshfield Clinic Inc (Marshfield, WI) and Mchs Hospitals 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 Carl Zondlo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Carl Zondlo affiliated with any hospitals?
According to CMS data, Carl Zondlo is affiliated with Aspirus Medford Hospital & Clinics, Inc.
When was this NPI record last updated?
The NPPES record for Carl Zondlo was last updated on April 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Carl Henry Zondlo · NPI 1215549852
Nurse Anesthetist, Certified Registered physician in Medford, Wisconsin. Individual provider, active in the CMS NPPES registry since August 17, 2020.
## Identity
- **NPI:** 1215549852 (Entity type: Individual)
- **Enumerated:** August 17, 2020
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** NA (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 135 S GIBSON ST, Medford, WI 54451-1622
- **Phone:** (715) 748-8100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Aspirus Medford Hospital & Clinics, Inc. (NPI 1427140649, Medford, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); Mchs Hospitals Inc (NPI 1093221434, Marshfield, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** April 25, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1215549852) · Data from the CMS NPPES public registry.