Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

MS. Allison J. Duncan

Individual provider Certified Registered Nurse Anesthetist · NPI 1881876993

MS. Allison J. Duncan is registered under Certified Registered Nurse Anesthetist (CRNA) in Milwaukee, Wisconsin. Qualified in 2007, 19 years ago. Practices with The Medical College of Wisconsin Inc, a 2,093-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
19
Licensed in
IL
In the registry since
2007
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Practice location Address checks out

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone: (414) 805-5951
Fax: (414) 777-0044
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 078063 (IL)

Record details

NPI number1881876993
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 30, 2007
Last updated in NPPESJuly 19, 2024
Certification dateJuly 19, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice The Medical College Of Wisconsin Inc — 2093 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients121
Services billed 122 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at The Medical College of Wisconsin Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2093 clinicians in the practice; 12 are shown here.

Other providers in Milwaukee