DR. JAMES STEVEN DAHM MD
NPI 1649763947
Orthopaedic Surgery in Madison, WI
About Dr. James Steven Dahm Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES STEVEN DAHM MD (NPI 1649763947) is an individual orthopaedic surgery provider in Madison, Wisconsin, licensed in Wisconsin (83493) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Edgerton Hospital And Health Services, and maintains a secondary practice location in Watertown.
NPPES Registry Identity
Specialties & Licenses
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 Steven Dahm Md 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
7Medicare enrollment records show James Dahm reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53713
- Reassigned Medicare billing, Wisconsin enrollment
- 20 clinicians in this Medicare group
Mount Horeb, WI 53572
- Reassigned Medicare billing, Wisconsin enrollment
- 166 clinicians in this Medicare group
Edgerton, WI 53534
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1154350049 (Wisconsin)
- 70 clinicians in this Medicare group
Columbus, WI 53925
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Beaver Dam Community Hospitals Inc.
- 1,447 clinicians in this Medicare group
Janesville, WI 53545
- Reassigned Medicare billing, Wisconsin enrollment
- 194 clinicians in this Medicare group
Wisconsin Rapids, WI 54494
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Edgerton Hospital And Health Services
Critical Access Hospitals · Edgerton, WIUpland Hills Health
Critical Access Hospitals · Dodgeville, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MADISON, WI 53713
MADISON, WI 53713
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 Dahm's NPI number?
The NPI number for James Dahm is 1649763947. It was assigned to this individual provider in the NPPES registry on June 11, 2018.
Where is James Dahm located?
James Dahm practices at 2501 W Beltline Hwy Ste 601, Madison, WI 53713. The listed phone number is (608) 234-7436.
What is James Dahm's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is James Dahm enrolled in Medicare?
Yes. James Dahm 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 Dahm's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Dahm reassigns Medicare benefits to 7 organizations: Orthopedic & Spine Centers Of Wisconsin, Sc. (Madison, WI), Upland Hills Health, Inc (Mount Horeb, WI), Edgerton Hospital And Health Services (Edgerton, WI), Beaver Dam Community Hosptials Inc (Columbus, WI), Beloit Health System, Inc (Janesville, WI) and 2 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 Dahm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Dahm accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan, Group Health Cooperative-SCW and MercyCare Health Plans and 2 other insurers list James Dahm 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 Dahm affiliated with any hospitals?
According to CMS data, James Dahm is affiliated with Edgerton Hospital And Health Services and Upland Hills Health.
When was this NPI record last updated?
The NPPES record for James Dahm was last updated on October 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. James Steven Dahm, MD · NPI 1649763947
Orthopaedic Surgery physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since June 11, 2018.
## Identity
- **NPI:** 1649763947 (Entity type: Individual)
- **Enumerated:** June 11, 2018
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 83493 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2501 W BELTLINE HWY STE 601, Madison, WI 53713-2309
- **Phone:** (608) 234-7436 · **Fax:** (866) 939-2673
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Orthopedic & Spine Centers Of Wisconsin, Sc. (NPI 1083323059, Madison, WI); Upland Hills Health, Inc (NPI 1245628452, Mount Horeb, WI); Edgerton Hospital And Health Services (NPI 1538845805, Edgerton, WI); Beaver Dam Community Hosptials Inc (NPI 1275833659, Columbus, WI); Beloit Health System, Inc (NPI 1407999337, Janesville, WI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** October 7, 2025
- **Other identifiers:** Medicaid 100277039 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1649763947) · Data from the CMS NPPES public registry.