NPPES file of Aug 9, 2026

Carl Henry Zondlo

Certified Registered Nurse Anesthetist · Medford, WI

Carl Henry Zondlo is a certified registered nurse anesthetist with a practice address in Medford, Wisconsin, and NPI 1215549852, issued on Aug 17, 2020. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215549852
Name
Carl Henry Zondlo
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
Practice location
135 S Gibson St, Medford, WI 54451
Phone
(715) 748-8100
Enumerated
Aug 17, 2020
Record last updated
Apr 25, 2024
Medicare enrollment
Enrolled (PECOS I20210203001663); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 135 S Gibson St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ryan Check, MDEmergency Medicine Physician1366947269
  2. Ryan Diegel, CRNACertified Registered Nurse Anesthetist1407093073
  3. Haley Erl, DNPNurse Practitioner1770067357
  4. Alexandra Gaines, AGACNP-BCNurse Practitioner1245123728
  5. Stuart Gall, MS, CRNACertified Registered Nurse Anesthetist1437184827
  6. Kimberly Hatch, DNPNurse Practitioner1619484532

Verify Carl Henry Zondlo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Aspirus Medford Hospital And Clinics IncMedford, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Carl Henry Zondlo among 1,241 certified registered nurse anesthetist records in Wisconsin

Carl Henry Zondlo is one of 1,241 certified registered nurse anesthetist records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.

  • NPI issued2020 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2020 · median 2013 among the 932 with a school on file
  • Record last updated2024 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 certified registered nurse anesthetist records list a practice address in Medford

They are 5 of the 202 NPPES records with a practice address in Medford, and 1,241 certified registered nurse anesthetist records in Wisconsin.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Ryan Diegel, CRNAMedford, WI 544511407093073
  2. Stuart Gall, MS, CRNAMedford, WI 544511437184827
  3. Scott Gradberg, CRNAMedford, WI 544511528152287
  4. Angela Guden, CRNAMedford, WI 544511013267921
  5. Eric Barnes, C.R.N.A.Merrill, WI 544521487639555
  6. David Burnett, CRNAMerrill, WI 544521699897371
  7. Steven Gasper, CRNAMerrill, WI 544521043238405
  8. Meghan Asleson, CRNAMarshfield, WI 544491306587035

Common questions

What is Carl Henry Zondlo's NPI number?

Carl Henry Zondlo's National Provider Identifier (NPI) is 1215549852, issued on Aug 17, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Carl Henry Zondlo located?

The NPPES record lists a practice address at 135 S Gibson St, Medford, WI, 54451. Phone: (715) 748-8100. Providers update this record themselves, so call before visiting.

How can I verify Carl Henry Zondlo's license?

Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

What is Carl Henry Zondlo's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.