MARK A MCCARTHY MD
NPI 1427020627
Orthopaedic Surgery in Altoona, WI
About Mark A Mccarthy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A MCCARTHY MD (NPI 1427020627) is an individual orthopaedic surgery provider in Altoona, Wisconsin, licensed in Wisconsin (66128) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Oakleaf Surgical Hospital, and is a graduate of University Of Minnesota Medical School (2010).
NPPES Registry Identity
Specialties & Licenses 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 and accepts Medicare assignment
Mark A Mccarthy 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
2Medicare enrollment records show Mark Mccarthy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Altoona, WI 54720
- Reassigned Medicare billing, Wisconsin enrollment
- 25 clinicians in this Medicare group
Black River Falls, WI 54615
- Reassigned Medicare billing, Wisconsin enrollment
- 227 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 11
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Oakleaf Surgical Hospital
Acute Care Hospitals · Altoona, WIAspirus Stanley Hospital
Critical Access Hospitals · Stanley, WIAspirus Medford Hospital & Clinics, Inc
Critical Access Hospitals · Medford, WIBlack River Memorial Hospital
Critical Access Hospitals · Black River Falls, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54720 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 Mark Mccarthy's NPI number?
The NPI number for Mark Mccarthy is 1427020627. It was assigned to this individual provider in the NPPES registry on February 2, 2006.
Where is Mark Mccarthy located?
Mark Mccarthy practices at 1200 Oakleaf Way Ste A, Altoona, WI 54720. The listed phone number is (715) 832-1400.
What is Mark Mccarthy's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Mark Mccarthy enrolled in Medicare?
Yes. Mark Mccarthy 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 Mark Mccarthy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mccarthy reassigns Medicare benefits to 2 organizations: Chippewa Valley Orthopedics And Sports Medicine Clinic Sc (Altoona, WI) and Black River Health Inc (Black River Falls, 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 Mark Mccarthy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Mccarthy accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, HealthPartners, Quartz and Security Health Plan list Mark Mccarthy 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 Mark Mccarthy affiliated with any hospitals?
According to CMS data, Mark Mccarthy is affiliated with Oakleaf Surgical Hospital, Aspirus Stanley Hospital, Aspirus Medford Hospital & Clinics, Inc and Black River Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Mark Mccarthy was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mark A Mccarthy, MD · NPI 1427020627
Orthopaedic Surgery physician in Altoona, Wisconsin. Individual provider, active in the CMS NPPES registry since February 2, 2006.
## Identity
- **NPI:** 1427020627 (Entity type: Individual)
- **Enumerated:** February 2, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 66128 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 OAKLEAF WAY STE A, Altoona, WI 54720-2217
- **Phone:** (715) 832-1400 · **Fax:** (715) 832-4187
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Chippewa Valley Orthopedics And Sports Medicine Clinic Sc (NPI 1699778829, Altoona, WI); Black River Health Inc (NPI 1003914011, Black River Falls, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2010
## Record status
- **NPPES last updated:** June 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1427020627) · Data from the CMS NPPES public registry.