Quick answers
- Which hospitals does Horace Lo work at?
- Medicare's official clinician data lists Horace Lo at 3 hospitals: Ripon Medical Center, SSM Health St Agnes Hospital-Fond Du Lac and Waupun Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Horace Lo see patients?
- Medicare's clinician data lists 2 practice locations, including Waupun, WI and Ripon, WI. Call before your visit to confirm the address.
- What is Horace Lo's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Horace Lo accept Medicare assignment?
- Yes. Medicare's clinician data says Horace Lo 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 Horace Lo?
- (920) 324-6800, as listed in official Medicare / NPI Registry data.
- What is Horace Lo's NPI number?
- 1114988466. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Horace Lo works
Medicare's Facility Affiliation Data lists Horace Lo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ripon Medical CenterRipon, WI · Critical Access Hospital · CCN 521321
- SSM Health St Agnes Hospital-Fond Du LacFond Du Lac, WI · Acute Care Hospital · CCN 520088
- Waupun Memorial HospitalWaupun, WI · Critical Access Hospital · CCN 521327
Practice locations
Addresses where Horace Lo is enrolled with Medicare (CMS data updated 2026-10-02).
- 608 W Brown StWaupun, WI 53963 (920) 324‑6800
- 845 Parkside StRipon, WI 54971 (920) 748‑3101
Group practices
Medicare enrollment lists Horace Lo as a member of this group (CMS data updated 2026-10-02).
- Agnesian Healthcare Inc388 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114988466 |
| 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