DR. ERIC R ANDERSON MD
NPI 1952763328
Internal Medicine - Rheumatology in Oconomowoc, WI
About Dr. Eric R Anderson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC R ANDERSON MD (NPI 1952763328) is an individual rheumatology provider in Oconomowoc, Wisconsin, licensed in Wisconsin (75798) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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. Eric R Anderson 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 Reassignment
Medicare enrollment records show Eric Anderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Waukesha, WI 53186
- Reassigned Medicare billing, Wisconsin enrollment
- 8 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 6
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Waukesha Memorial Hospital
Acute Care Hospitals · Waukesha, WIOconomowoc Memorial Hospital
Acute Care Hospitals · Oconomowoc, WIAurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53066 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Eric Anderson's NPI number?
The NPI number for Eric Anderson is 1952763328. It was assigned to this individual provider in the NPPES registry on March 24, 2016.
Where is Eric Anderson located?
Eric Anderson practices at 1185 Corporate Ctr Dr, Oconomowoc, WI 53066. The listed phone number is (262) 785-0777.
What is Eric Anderson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Eric Anderson enrolled in Medicare?
Yes. Eric Anderson 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 organization bills Medicare for Eric Anderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Anderson reassigns Medicare benefits to West Suburban Ctr For Arthritis (Waukesha, WI). 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 Eric Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Anderson accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare) and Dean Health Plan list Eric Anderson 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 Eric Anderson affiliated with any hospitals?
According to CMS data, Eric Anderson is affiliated with Waukesha Memorial Hospital, Oconomowoc Memorial Hospital and Aurora St Lukes Medical Center.
When was this NPI record last updated?
The NPPES record for Eric Anderson was last updated on December 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.