NPPES file of Aug 9, 2026

Tanner Jack Duffy, AA

Anesthesiologist Assistant · Milwaukee, WI

Tanner Jack Duffy, AA is an anesthesiologist assistant with a practice address in Milwaukee, Wisconsin, and NPI 1770282873, issued on Feb 27, 2023. Check the license (Wisconsin 527-17, 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
1770282873
Name
Tanner Jack Duffy
Credential
AA
Primary taxonomy
Anesthesiologist Assistant 367H00000X
License number
527-17 WI
Self-reported in NPPES; status is on the state search
Practice location
2900 W Oklahoma Ave, Milwaukee, WI 53215
Phone
(414) 649-6000
Enumerated
Feb 27, 2023
Record last updated
Mar 23, 2026
Medicaid ID
100231134 WI
Medicare enrollment
Enrolled (PECOS I20230321002173); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 2022
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 anesthesiologist assistant records → All 264 in Wisconsin → Look up another NPI →

Also registered at 2900 W Oklahoma Ave

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

  1. Hamza Abdul Majeed, DOHospitalist Physician1881013282
  2. Vincent Abejuela, DOHospitalist Physician1356928543
  3. Islam Abo Al Nadie, MDHospitalist Physician1326618786
  4. Zaid Abood, MDHospitalist Physician1194254334
  5. Syed AbutalibHematology & Oncology Physician1114183290
  6. Kalid Adab, MDHematology & Oncology Physician1346473345

Verify Tanner Jack Duffy 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 527-17    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. Aurora Medical Group, Inc.Milwaukee, WI

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

Tanner Jack Duffy among 264 anesthesiologist assistant records in Wisconsin

Tanner Jack Duffy, AA is one of 264 anesthesiologist assistant records with a practice address in Wisconsin. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 73% of them.

  • NPI issued2023 · 73% of these records are older, 19% newer
  • In a Medicare fileYes · 95% of these records are
  • In the CMS Doctors and Clinicians fileYes · 93% of these records are
  • Graduated2022 · median 2020 among the 246 with a school on file
  • Record last updated2026 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367H00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiologist Assistant providers in Wisconsin

There are 264 anesthesiologist assistant records in Wisconsin.

All 264 in Wisconsin → Every provider in Milwaukee → Anesthesiologist Assistant nationwide →

The 8 anesthesiologist assistant records with the nearest ZIP codes

  1. Isaac Alghoosen, AAMilwaukee, WI 532151659991891
  2. Fauzan Ali, AAMilwaukee, WI 532151831705664
  3. Justin Cole, CAAMilwaukee, WI 532151003403791
  4. Valerie DuncanMilwaukee, WI 532151912478983
  5. Ryan GeorgeMilwaukee, WI 532151073089363
  6. John GottwaldMilwaukee, WI 532151851875959
  7. Riley HoefsMilwaukee, WI 532151821638941
  8. Meredith Humiston, CAAMilwaukee, WI 532151265034169

Common questions

What is Tanner Jack Duffy, AA's NPI number?

Tanner Jack Duffy, AA's National Provider Identifier (NPI) is 1770282873, issued on Feb 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Tanner Jack Duffy, AA located?

The NPPES record lists a practice address at 2900 W Oklahoma Ave, Milwaukee, WI, 53215. Phone: (414) 649-6000. Providers update this record themselves, so call before visiting.

How can I verify Tanner Jack Duffy, AA's license?

NPPES lists Wisconsin license number 527-17, 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.