NPPES file of Aug 9, 2026

Nicholas A. Hallett, M.D.

Pediatrics Physician · Madison, WI

Nicholas A. Hallett, M.D. is a pediatrics physician with a practice address in Madison, Wisconsin, and NPI 1255694790, issued on Jun 20, 2012. Check the license (Wisconsin 67420-20, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1255694790
Name
Nicholas A. Hallett
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
67420-20 WI
Self-reported in NPPES; status is on the state search
Practice location
1821 S Stoughton RD, Madison, WI 53716
Phone
(608) 260-6000
Enumerated
Jun 20, 2012
Record last updated
Feb 8, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(608) 260-6289
Medicaid ID
1255694790 WI
Medicare enrollment
Enrolled (PECOS I20170925001545); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2012
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 pediatrics physician records → All 1,203 in Wisconsin → Look up another NPI →

Also registered at 1821 S Stoughton RD

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

  1. Robert Alt, MDInternal Medicine Physician1578500872
  2. Darcey Amundson, PA-CPhysician Assistant1588691398
  3. Richard Armstrong, MDInternal Medicine Physician1689774523
  4. Wendy Arrington, O.D.Optometrist1750394334
  5. Bhawani Ballamudi, M.D.Psychiatry Physician1831148691
  6. Zachary Barber, PTPhysical Therapist1609054212

Verify Nicholas A. Hallett in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 67420-20    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
Open 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. Dean Health Systems IncMadison, WI

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

Nicholas A. Hallett among 1,203 pediatrics physician records in Wisconsin

Nicholas A. Hallett, M.D. is one of 1,203 pediatrics physician records with a practice address in Wisconsin. 20% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 67% of them.

  • NPI issued2012 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 20% of these records are
  • In the CMS Doctors and Clinicians fileYes · 12% of these records are
  • Graduated2012 · median 2012 among the 142 with a school on file
  • Record last updated2019 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Wisconsin

There are 1,203 pediatrics physician records in Wisconsin.

All 1,203 in Wisconsin → Every provider in Madison → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Patricia Bellissimo, MDMadison, WI 537161437193992
  2. Christine Pagel, MDMadison, WI 537161467417758
  3. Greg Smith, MDMadison, WI 537161356386312
  4. Michael Trias, MDMadison, WI 537161437190386
  5. Luke Addesso, MDMadison, WI 537151013470186
  6. Conrad Andringa, MDMadison, WI 537171528002581
  7. Rebecca Charles, MDMadison, WI 537151225072630
  8. Timothy Chybowski, MDMadison, WI 537171346218757

Common questions

What is Nicholas A. Hallett, M.D.'s NPI number?

Nicholas A. Hallett, M.D.'s National Provider Identifier (NPI) is 1255694790, issued on Jun 20, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas A. Hallett, M.D. located?

The NPPES record lists a practice address at 1821 S Stoughton RD, Madison, WI, 53716. Phone: (608) 260-6000. Providers update this record themselves, so call before visiting.

How can I verify Nicholas A. Hallett, M.D.'s license?

NPPES lists Wisconsin license number 67420-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.