NPPES file of Aug 9, 2026

Carl A. Holborn, NURSE PRACTITIONER

Acute Care Nurse Practitioner · Waukesha, WI

Carl A. Holborn, NURSE PRACTITIONER is an acute care nurse practitioner with a practice address in Waukesha, Wisconsin, and NPI 1912597063, issued on Jan 22, 2021. Check the license (Wisconsin 10588, 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
1912597063
Name
Carl A. Holborn
Credential
NURSE PRACTITIONER
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
10588 WI
Self-reported in NPPES; status is on the state search
Practice location
725 American Ave, Waukesha, WI 53188
Phone
(262) 928-1000
Enumerated
Jan 22, 2021
Record last updated
Jan 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210224001205); 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 acute care nurse practitioner records → All 229 in Wisconsin → Look up another NPI →

Also registered at 725 American Ave

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

  1. Mikayla Abbeduto, DPTPhysical Therapist1316513955
  2. Zuber Ali, M.D.Cardiovascular Disease Physician1548536204
  3. Heather AvelloneFamily Nurse Practitioner1114499001
  4. Mark Bakalars, M.D.Vascular & Interventional Radiology Physician1174518724
  5. Lisa BakerAdult Health Nurse Practitioner1588973275
  6. Melissa Becker, PA-CPhysician Assistant1780132944

Verify Carl A. Holborn 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 10588    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. Prohealth Medical Group IncWaukesha, WI

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

Carl A. Holborn among 229 acute care nurse practitioner records in Wisconsin

Carl A. Holborn, NURSE PRACTITIONER is one of 229 acute care nurse practitioner records with a practice address in Wisconsin. 86% 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 55% of them.

  • NPI issued2021 · 55% of these records are older, 37% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2020 · median 2020 among the 178 with a school on file
  • Record last updated2021 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Wisconsin

There are 229 acute care nurse practitioner records in Wisconsin.

All 229 in Wisconsin → Every provider in Waukesha → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Shannon Bibis, NPWaukesha, WI 531881588891097
  2. Michael Blanchard, RN, APNPWaukesha, WI 531881174922280
  3. Kayla Davis, APNPWaukesha, WI 531881023749140
  4. Amin Namazi, APNPWaukesha, WI 531881821475120
  5. Tori SchlavenskyWaukesha, WI 531881609755511
  6. Tsering-Drolma ShingzaWaukesha, WI 531881265155980
  7. Rebecca Bland, APNPWaukesha, WI 531861144900606
  8. Michelle Meske, AGACNPWaukesha, WI 531861194595447

Common questions

What is Carl A. Holborn, NURSE PRACTITIONER's NPI number?

Carl A. Holborn, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1912597063, issued on Jan 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Carl A. Holborn, NURSE PRACTITIONER located?

The NPPES record lists a practice address at 725 American Ave, Waukesha, WI, 53188. Phone: (262) 928-1000. Providers update this record themselves, so call before visiting.

How can I verify Carl A. Holborn, NURSE PRACTITIONER's license?

NPPES lists Wisconsin license number 10588, 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.