DR. JAMES DANIEL PRAHL M.D.
NPI 1437211539
Internal Medicine - Critical Care Medicine in Milwaukee, WI
About Dr. James Daniel Prahl M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES DANIEL PRAHL M.D. (NPI 1437211539) is an individual critical care medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (49725-020) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and maintains a secondary practice location in Milwaukee.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Dr. James Daniel Prahl 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
3Medicare enrollment records show James Prahl reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Saint Francis, WI 53235
- Reassigned Medicare billing, Wisconsin enrollment
- 960 clinicians in this Medicare group
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 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 3
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 2
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, WIAurora Medical Center Kenosha
Acute Care Hospitals · Kenosha, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 18
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 James Prahl's NPI number?
The NPI number for James Prahl is 1437211539. It was assigned to this individual provider in the NPPES registry on December 14, 2006.
Where is James Prahl located?
James Prahl practices at 2900 West Oklahoma Ave 2nd Floor Galleria, Milwaukee, WI 53215. The listed phone number is (414) 649-6572.
What is James Prahl's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is James Prahl enrolled in Medicare?
Yes. James Prahl 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 James Prahl's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Prahl reassigns Medicare benefits to 3 organizations: Aurora Medical Group, Inc. (Milwaukee, WI), Lakeshore Medical Clinic, LLC (Saint Francis, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI). 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 James Prahl's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Prahl accept?
Health plans from Aspirus Health Plan and CareSource (Common Ground Healthcare) list James Prahl 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 James Prahl affiliated with any hospitals?
According to CMS data, James Prahl is affiliated with Aurora St Lukes Medical Center and Aurora Medical Center Kenosha.
When was this NPI record last updated?
The NPPES record for James Prahl was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.