NPPES file of Aug 9, 2026

Ellen J. Herrera, NP

Nurse Practitioner · Madison, WI

Ellen J. Herrera, NP is a nurse practitioner with a practice address in Madison, Wisconsin, and NPI 1891523700, issued on Jul 23, 2024. Check the license (Wisconsin 15634-33, 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
1891523700
Name
Ellen J. Herrera
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
15634-33 WI
Self-reported in NPPES; status is on the state search
Practice location
20 S Park St, Madison, WI 53715
Phone
(608) 287-2090
Enumerated
Jul 23, 2024
Record last updated
Mar 17, 2025
Medicare enrollment
Enrolled (PECOS I20240909004149); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →

Also registered at 20 S Park St

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

  1. Luke Addesso, MDPediatrics Physician1013470186
  2. Mackenzie Asel, M.D.Dermatology Physician1831538099
  3. Elizabeth Bartholomew, LCSWClinical Social Worker1679851398
  4. Sarah Benedict, NPNurse Practitioner1336648039
  5. Eliza Bennett, M.D.Obstetrics & Gynecology Physician1003852161
  6. Stephen Bernsten, MDPlastic Surgery Physician1114989043

Verify Ellen J. Herrera 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 15634-33    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. University OF Wisconsin Medical Foundation IncMadison, WI

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

Ellen J. Herrera among 3,995 nurse practitioner records in Wisconsin

Ellen J. Herrera, NP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 90% of them.

  • NPI issued2024 · 90% of these records are older, 5% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2024 · median 2017 among the 2,701 with a school on file
  • Record last updated2025 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

516 nurse practitioner records list a practice address in Madison

They are 516 of the 15,014 NPPES records with a practice address in Madison, and 3,995 nurse practitioner records in Wisconsin.

All 3,995 in Wisconsin → Every provider in Madison → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Heidi Allen-Bregman, APNPMadison, WI 537151255380424
  2. Mary Bina-Frymark, NPMadison, WI 537151134197015
  3. Kathy Castille- Aliffi, APNPMadison, WI 537151962470757
  4. April Eddy, APNPMadison, WI 537151376588087
  5. Corinne Engen, APNPMadison, WI 537151235102989
  6. Richelle Fields, APNPMadison, WI 537151255304283
  7. Norah Grady-Letendre, NPMadison, WI 537151760599658
  8. Paul Hauri, NPMadison, WI 537151689641201

Common questions

What is Ellen J. Herrera, NP's NPI number?

Ellen J. Herrera, NP's National Provider Identifier (NPI) is 1891523700, issued on Jul 23, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Ellen J. Herrera, NP located?

The NPPES record lists a practice address at 20 S Park St, Madison, WI, 53715. Phone: (608) 287-2090. Providers update this record themselves, so call before visiting.

How can I verify Ellen J. Herrera, NP's license?

NPPES lists Wisconsin license number 15634-33, 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.