DR. JAMES S HEINZEN M.D.
NPI 1013908409
Emergency Medicine in Berlin, WI
About Dr. James S Heinzen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES S HEINZEN M.D. (NPI 1013908409) is an individual emergency medicine provider in Berlin, Wisconsin, licensed in Wisconsin (39061) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Hartford.
NPPES Registry Identity
Specialties & Licenses 2
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 (PECOS)
Dr. James S Heinzen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show James Heinzen reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Berlin, WI 54923
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1760413777 (Wisconsin)
- 104 clinicians in this Medicare group
Oshkosh, WI 54902
- Reassigned Medicare billing, Wisconsin enrollment
- 35 clinicians in this Medicare group
Wild Rose, WI 54984
- Reassigned Medicare billing, Wisconsin enrollment
- 28 clinicians in this Medicare group
Waupaca, WI 54981
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1780782680 (Wisconsin)
- 85 clinicians in this Medicare group
New London, WI 54961
- Reassigned Medicare billing, Wisconsin enrollment
- 56 clinicians in this Medicare group
Shawano, WI 54166
- Reassigned Medicare billing, Wisconsin enrollment
- 70 clinicians in this Medicare group
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 clinicians in this Medicare group
Marinette, WI 54143
- Reassigned Medicare billing, Wisconsin enrollment
- 59 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54923 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 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BERLIN, WI 54923
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 Heinzen's NPI number?
The NPI number for James Heinzen is 1013908409. It was assigned to this individual provider in the NPPES registry on November 3, 2005.
Where is James Heinzen located?
James Heinzen practices at 225 Memorial Dr, Berlin, WI 54923. The listed phone number is (920) 361-5525.
What is James Heinzen's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Heinzen enrolled in Medicare?
Yes. James Heinzen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Heinzen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Heinzen reassigns Medicare benefits to 8 organizations: Thedacare Medical Center - Berlin, Inc. (Berlin, WI), Thedacare Regional Medical Center - Appleton, Inc. (Oshkosh, WI), Thedacare Medical Center - Wild Rose, Inc (Wild Rose, WI), Thedacare Medical Center - Waupaca, Inc. (Waupaca, WI), Thedacare Medical Center - New London, Inc. (New London, WI) and 3 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 James Heinzen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Heinzen accept?
Health plans from CareSource (Common Ground Healthcare) list James Heinzen 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 Heinzen was last updated on May 17, 2022. 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.