GREGG L MCADOO M.D.
NPI 1457324329
Obstetrics & Gynecology in Eau Claire, WI
About Gregg L Mcadoo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGG L MCADOO M.D. (NPI 1457324329) is an individual obstetrics & gynecology provider in Eau Claire, Wisconsin, licensed in Wyoming (6568A) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 4
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)
Gregg L Mcadoo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show Gregg Mcadoo reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,440 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Park Falls, WI 54552
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700963048 (Wisconsin)
- 1,351 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
Wahpeton, ND 58075
- Reassigned Medicare billing, North Dakota enrollment
- 617 clinicians in this Medicare group
Jamestown, ND 58401
- Reassigned Medicare billing, North Dakota enrollment
- Also billed through NPI 1548256753 (North Dakota)
- 95 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 54701 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 Gregg Mcadoo's NPI number?
The NPI number for Gregg Mcadoo is 1457324329. It was assigned to this individual provider in the NPPES registry on February 9, 2006.
Where is Gregg Mcadoo located?
Gregg Mcadoo practices at 2116 Craig Rd, Eau Claire, WI 54701. The listed phone number is (715) 858-4500.
What is Gregg Mcadoo's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Gregg Mcadoo enrolled in Medicare?
Yes. Gregg Mcadoo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gregg Mcadoo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Mcadoo reassigns Medicare benefits to 8 organizations: Mchs Hospitals Inc (Eau Claire, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI), Memorial Hospital Inc (Neillsville, WI), Marshfield Clinic Inc (Marshfield, WI), Flambeau Hospital Inc (Park Falls, 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 Gregg Mcadoo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregg Mcadoo accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of North Dakota, Blue Cross Blue Shield of Wyoming, HealthPartners and Sanford Health Plan list Gregg Mcadoo 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 Gregg Mcadoo was last updated on January 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Gregg L Mcadoo, M.D. · NPI 1457324329
Obstetrics & Gynecology physician in Eau Claire, Wisconsin. Individual provider, active in the CMS NPPES registry since February 9, 2006.
## Identity
- **NPI:** 1457324329 (Entity type: Individual)
- **Enumerated:** February 9, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 6568A (Wyoming)
- **Sole proprietor:** No
## Practice location
- **Address:** 2116 CRAIG RD, Eau Claire, WI 54701-6149
- **Phone:** (715) 858-4500
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Mchs Hospitals Inc (NPI 1316416035, Eau Claire, WI); Lakeview Medical Center Inc Of Rice Lake (NPI 1659008605, Chetek, WI); Memorial Hospital Inc (NPI 1033701800, Neillsville, WI); Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); Flambeau Hospital Inc (NPI 1194317966, Park Falls, WI); and 3 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 9, 2026
- **Other identifiers:** Other 1457324329; Medicaid 6200880 (SD); Medicaid 1629182019 (WY); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1457324329) · Data from the CMS NPPES public registry.