Quick answers
- Which hospitals does Rick A. Erdman work at?
- Medicare's official clinician data lists Rick A. Erdman at 3 hospitals: Gundersen Lutheran Medical Center, Gundersen St Josephs Hospital and Clinics and Tomah Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Rick A. Erdman see patients?
- Medicare's clinician data lists 6 practice locations, including Onalaska, WI, Elroy, WI and Friendship, WI. Call before your visit to confirm the address.
- What is Rick A. Erdman's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Rick A. Erdman accept Medicare assignment?
- Yes. Medicare's clinician data says Rick A. Erdman 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.
- Does Rick A. Erdman offer telehealth?
- Medicare's clinician data says Rick A. Erdman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Rick A. Erdman?
- (608) 783-4681, as listed in official Medicare / NPI Registry data.
- What is Rick A. Erdman's NPI number?
- 1952306011. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Rick A. Erdman works
Medicare's Facility Affiliation Data lists Rick A. Erdman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Gundersen Lutheran Medical CenterLa Crosse, WI · Acute Care Hospital · CCN 520087
- Gundersen St Josephs Hospital and ClinicsHillsboro, WI · Critical Access Hospital · CCN 521304
- Tomah Memorial HospitalTomah, WI · Critical Access Hospital · CCN 521320
Practice locations
Addresses where Rick A. Erdman is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1600 Main StOnalaska, WI 54650 (608) 783‑4681
- 1705 Omaha StElroy, WI 53929 (608) 462‑8270
- 402 A W Lake StFriendship, WI 53934 (608) 339‑8471
- 402 W Lake StFriendship, WI 53934 (608) 339‑3331
- 407 S Main StViroqua, WI 54665 (608) 637‑3195
Group practices
Medicare enrollment lists Rick A. Erdman as a member of these groups (CMS data updated 2026-10-02).
- Gundersen Clinic Ltd418 clinicians in the group
- St Josephs Health Services Inc81 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Onalaska
Clinicians with the same Medicare primary specialty in Onalaska, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952306011 |
| 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