JAMES CHRISTOPHER MAHLAN LPC
NPI 1174459630
Counselor - Professional in Milwaukee, WI
About James Christopher Mahlan Lpc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES CHRISTOPHER MAHLAN LPC (NPI 1174459630) is an individual professional provider in Milwaukee, Wisconsin, licensed in Wisconsin (12358-125) and active in the NPI registry since June 2026. He is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James Christopher Mahlan Lpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Mahlan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brookfield, WI 53005
- Reassigned Medicare billing, Wisconsin enrollment
- 556 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.
Other Providers at the Same Location NPPES 15
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 James Mahlan's NPI number?
The NPI number for James Mahlan is 1174459630. It was assigned to this individual provider in the NPPES registry on June 22, 2026.
Where is James Mahlan located?
James Mahlan practices at 111 E Wisconsin Ave Ste 1500, Milwaukee, WI 53202. The listed phone number is (141) 436-1270.
What is James Mahlan's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is James Mahlan enrolled in Medicare?
Yes. James Mahlan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Mahlan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Mahlan reassigns Medicare benefits to Cornerstone Counseling Services, Inc (Brookfield, 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 James Mahlan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Mahlan accept?
Health plans from CareSource (Common Ground Healthcare), HealthPartners, Network Health, Quartz and UnitedHealthcare list James Mahlan 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.
When was this NPI record last updated?
The NPPES record for James Mahlan was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# James Christopher Mahlan, LPC · NPI 1174459630
Professional provider in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since June 22, 2026.
## Identity
- **NPI:** 1174459630 (Entity type: Individual)
- **Enumerated:** June 22, 2026
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 12358-125 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 E WISCONSIN AVE STE 1500, Milwaukee, WI 53202-4808
- **Phone:** (141) 436-1270
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Cornerstone Counseling Services, Inc (NPI 1033127246, Brookfield, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** July 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1174459630) · Data from the CMS NPPES public registry.