NPPES file of Aug 9, 2026

Mark Garold Pontow

Certified Registered Nurse Anesthetist · Appleton, WI

Mark Garold Pontow is a certified registered nurse anesthetist with a practice address in Appleton, Wisconsin, and NPI 1255914735, issued on May 3, 2021. Check the license (Wisconsin 11943-33, as entered in NPPES) 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255914735
Name
Mark Garold Pontow
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
11943-33 WI
Self-reported in NPPES; status is on the state search
Practice location
1506 S Oneida St, Appleton, WI 54915
Phone
(920) 738-2000
Enumerated
May 3, 2021
Record last updated
May 8, 2025
Medicare enrollment
Enrolled (PECOS I20210921003339); 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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8 nearest certified registered nurse anesthetist records → All 1,241 in Wisconsin → Look up another NPI →

Also registered at 1506 S Oneida St

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

  1. Zenoun Abouzelam, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1699769695
  2. Stephanie Allaire, PTPhysical Therapist1346282795
  3. John Almquist, MDHospitalist Physician1104810118
  4. Heather AndersonPhysical Therapist1801049499
  5. Michael Arizola, PACPhysician Assistant1639163652
  6. Bryan Avery, MDPulmonary Disease Physician1548254568

Verify Mark Garold Pontow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 11943-33    Check 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
Find the Wisconsin license search

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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Bills Medicare through one group practice

  1. Racine Anesthesia Services LLCOshkosh, WI

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

Mark Garold Pontow among 1,241 certified registered nurse anesthetist records in Wisconsin

Mark Garold Pontow 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 2021, is newer than 82% of them.

  • NPI issued2021 · 82% of these records are older, 13% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2021 · median 2013 among the 932 with a school on file
  • Record last updated2025 · 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).

Certified Registered Nurse Anesthetist providers in Wisconsin

There are 1,241 certified registered nurse anesthetist records in Wisconsin.

All 1,241 in Wisconsin → Every provider in Appleton → Certified Registered Nurse Anesthetist nationwide →

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

  1. Dennis DaulAppleton, WI 549151770535387
  2. Sandra Engemann, C.R.N.A.Appleton, WI 549151992780977
  3. Ellen Hambel, CRNAAppleton, WI 549151326346826
  4. Kevin Hoeksema, CRNAAppleton, WI 549151316316540
  5. Richard Huntley, C.R.N.A.Appleton, WI 549151518942507
  6. Matthew PersickAppleton, WI 549151477131811
  7. Neal Peterson, CRNAAppleton, WI 549151245984566
  8. Zachary Southard, CRNAAppleton, WI 549151881099281

Common questions

What is Mark Garold Pontow's NPI number?

Mark Garold Pontow's National Provider Identifier (NPI) is 1255914735, issued on May 3, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mark Garold Pontow located?

The NPPES record lists a practice address at 1506 S Oneida St, Appleton, WI, 54915. Phone: (920) 738-2000. Providers update this record themselves, so call before visiting.

How can I verify Mark Garold Pontow's license?

NPPES lists Wisconsin license number 11943-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.