DR. CHRISTOFFER ALTON DIMLA AMDAHL MD
NPI 1861070765
Orthopaedic Surgery in Madison, WI
About Dr. Christoffer Alton Dimla Amdahl Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHRISTOFFER ALTON DIMLA AMDAHL MD (NPI 1861070765) is an individual orthopaedic surgery provider in Madison, Wisconsin, licensed in Wisconsin (104047) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in Madison.
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Location 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 (PECOS)
Dr. Christoffer Alton Dimla Amdahl Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Christoffer Amdahl reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 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 53718 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.
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 Christoffer Amdahl's NPI number?
The NPI number for Christoffer Amdahl is 1861070765. It was assigned to this individual provider in the NPPES registry on March 31, 2021.
Where is Christoffer Amdahl located?
Christoffer Amdahl practices at 4602 Eastpark Blvd, Madison, WI 53718. The listed phone number is (608) 263-7540.
What is Christoffer Amdahl's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Christoffer Amdahl enrolled in Medicare?
Yes. Christoffer Amdahl is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Christoffer Amdahl's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christoffer Amdahl reassigns Medicare benefits to Mainegeneral Medical Center (Augusta, ME). 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 Christoffer Amdahl's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christoffer Amdahl accept?
Health plans from Anthem Blue Cross and Blue Shield list Christoffer Amdahl 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 Christoffer Amdahl was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.
# Dr. Christoffer Alton Dimla Amdahl, MD · NPI 1861070765
Orthopaedic Surgery physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since March 31, 2021.
## Identity
- **NPI:** 1861070765 (Entity type: Individual)
- **Enumerated:** March 31, 2021
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 104047 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 4602 EASTPARK BLVD, Madison, WI 53718-2002
- **Phone:** (608) 263-7540 · **Fax:** (608) 662-4545
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mainegeneral Medical Center (NPI 1083949184, Augusta, ME), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1861070765) · Data from the CMS NPPES public registry.