TANNER JACK DUFFY AA
NPI 1770282873
Anesthesiologist Assistant in Milwaukee, WI
About Tanner Jack Duffy Aa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TANNER JACK DUFFY AA (NPI 1770282873) is an individual anesthesiologist assistant in Milwaukee, Wisconsin, licensed in Wisconsin (527-17) and active in the NPI registry since February 2023. He is affiliated with Aurora St Lukes Medical Center and is a graduate of Medical College Of Wisconsin (2022).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tanner Jack Duffy Aa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Tanner Duffy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tanner Duffy's NPI number?
The NPI number for Tanner Duffy is 1770282873. It was assigned to this individual provider in the NPPES registry on February 27, 2023.
Where is Tanner Duffy located?
Tanner Duffy practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 649-6000.
What is Tanner Duffy's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Tanner Duffy enrolled in Medicare?
Yes. Tanner Duffy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Tanner Duffy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tanner Duffy reassigns Medicare benefits to Aurora Medical Group, Inc. (Milwaukee, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tanner Duffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tanner Duffy accept?
Health plans from CareSource (Common Ground Healthcare) list Tanner Duffy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Tanner Duffy affiliated with any hospitals?
According to CMS data, Tanner Duffy is affiliated with Aurora St Lukes Medical Center.
When was this NPI record last updated?
The NPPES record for Tanner Duffy was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Tanner Jack Duffy, AA · NPI 1770282873
Anesthesiologist Assistant physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since February 27, 2023.
## Identity
- **NPI:** 1770282873 (Entity type: Individual)
- **Enumerated:** February 27, 2023
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** 527-17 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2900 W OKLAHOMA AVE, Milwaukee, WI 53215-4330
- **Phone:** (414) 649-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Aurora Medical Group, Inc. (NPI 1427271378, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2022
## Record status
- **NPPES last updated:** March 23, 2026
- **Other identifiers:** Medicaid 100231134 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1770282873) · Data from the CMS NPPES public registry.