DR. JAMIE B HOSMER M.D.
NPI 1841452927
Radiology - Diagnostic Radiology in St Francis, WI
About Dr. Jamie B Hosmer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMIE B HOSMER M.D. (NPI 1841452927) is an individual diagnostic radiology provider in St Francis, Wisconsin, licensed in Wisconsin (62032) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and maintains a secondary practice location in Lafayette.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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
Dr. Jamie B Hosmer M.d. 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 Reassignments
14Medicare enrollment records show Jamie Hosmer reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Francis, WI 53235
- Reassigned Medicare billing, Wisconsin enrollment
- 960 clinicians in this Medicare group
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 297 clinicians in this Medicare group
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Milwaukee, WI 53220
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
Greenfield, WI 53220
- Reassigned Medicare billing, Wisconsin enrollment
- 18 clinicians in this Medicare group
Greenfield, WI 53220
- Reassigned Medicare billing, Wisconsin enrollment
- 44 clinicians in this Medicare group
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 clinicians in this Medicare group
Juneau, WI 53039
- Reassigned Medicare billing, Wisconsin enrollment
- 1,447 clinicians in this Medicare group
Westfield, WI 53964
- Reassigned Medicare billing, Wisconsin enrollment
- 280 clinicians in this Medicare group
Wonewoc, WI 53968
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Josephs Health Services Inc
- 282 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 42
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 5
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, WIWest Allis Memorial Hospital
Acute Care Hospitals · West Allis, WIAurora Medical Center Kenosha
Acute Care Hospitals · Kenosha, WIAurora Medical Center - Summit
Acute Care Hospitals · Summit, WIAurora Medical Center
Acute Care Hospitals · Grafton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53235 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ST FRANCIS, WI 53235
SAINT FRANCIS, WI 53235
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 Jamie Hosmer's NPI number?
The NPI number for Jamie Hosmer is 1841452927. It was assigned to this individual provider in the NPPES registry on June 30, 2008.
Where is Jamie Hosmer located?
Jamie Hosmer practices at 2000 E Layton Ave, St Francis, WI 53235. The listed phone number is (414) 744-6589.
What is Jamie Hosmer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Jamie Hosmer enrolled in Medicare?
Yes. Jamie Hosmer 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 organizations bill Medicare for Jamie Hosmer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jamie Hosmer reassigns Medicare benefits to 14 organizations: Lakeshore Medical Clinic, LLC (Saint Francis, WI), Aurora Health Care Metro, Inc. (Milwaukee, WI), Aurora Medical Group, Inc. (Milwaukee, WI), Gundersen Lutheran Medical Center Inc (Milwaukee, WI), Medical Diagnostic Imaging LLC (Greenfield, WI) and 9 more organizations, listed in the Medicare section above. Each 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 Jamie Hosmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jamie Hosmer accept?
Health plans from CareSource (Common Ground Healthcare), Group Health Cooperative-SCW, Oscar Health and Oscar Insurance Company list Jamie Hosmer 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 Jamie Hosmer affiliated with any hospitals?
According to CMS data, Jamie Hosmer is affiliated with Aurora St Lukes Medical Center, West Allis Memorial Hospital, Aurora Medical Center Kenosha, Aurora Medical Center - Summit and Aurora Medical Center.
When was this NPI record last updated?
The NPPES record for Jamie Hosmer was last updated on September 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.