Quick answers
- Which hospitals does James D. Erickson work at?
- Medicare's official clinician data lists James D. Erickson at 2 hospitals: Oconomowoc Memorial Hospital and Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James D. Erickson see patients?
- Medicare's clinician data lists 1 practice location in Oconomowoc, WI. Call before your visit to confirm the address.
- What is James D. Erickson's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does James D. Erickson accept Medicare assignment?
- Yes. Medicare's clinician data says James D. Erickson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for James D. Erickson?
- (262) 569-0251, as listed in official Medicare / NPI Registry data.
- What is James D. Erickson's NPI number?
- 1588612170. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James D. Erickson works
Medicare's Facility Affiliation Data lists James D. Erickson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Oconomowoc Memorial HospitalOconomowoc, WI · Acute Care Hospital · CCN 520062
- Waukesha Memorial HospitalWaukesha, WI · Acute Care Hospital · CCN 520008
Practice locations
Addresses where James D. Erickson is enrolled with Medicare (CMS data updated 2026-10-02).
- 791 Summit AveOconomowoc, WI 53066 (262) 569‑0251
Group practices
Medicare enrollment lists James D. Erickson as a member of this group (CMS data updated 2026-10-02).
- Lake Country Emergency Physicians7 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Oconomowoc
Clinicians with the same Medicare primary specialty in Oconomowoc, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588612170 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians