Quick answers
- Which hospitals does William D. Timm work at?
- Medicare's official clinician data lists William D. Timm at 5 hospitals: Ascension Columbia St Marys Hospital Milwaukee, Ascension SE Wisconsin Hospital, Aurora Medical Center - Summit, Community Memorial Hospital and Thedacare Regional Medical Center - Neenah. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William D. Timm see patients?
- Medicare's clinician data lists 4 practice locations, including Neenah, WI, Brookfield, WI and Appleton, WI. Call before your visit to confirm the address.
- What is William D. Timm's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does William D. Timm accept Medicare assignment?
- Yes. Medicare's clinician data says William D. Timm 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 William D. Timm offer telehealth?
- Medicare's clinician data says William D. Timm offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William D. Timm?
- (920) 725-0077, as listed in official Medicare / NPI Registry data.
- What is William D. Timm's NPI number?
- 1902856016. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William D. Timm works
Medicare's Facility Affiliation Data lists William D. Timm at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · CCN 520051
- Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · CCN 520136
- Aurora Medical Center - SummitSummit, WI · Acute Care Hospital · CCN 520206
- Community Memorial HospitalMenomonee Falls, WI · Acute Care Hospital · CCN 520103
- Thedacare Regional Medical Center - NeenahNeenah, WI · Acute Care Hospital · CCN 520045
Practice locations
Addresses where William D. Timm is enrolled with Medicare (CMS data updated 2026-10-02).
- 130 2nd StNeenah, WI 54956 (920) 725‑0077
- 150 S Sunny Slope Rd, Suite 136Brookfield, WI 53005 (262) 786‑4550
- 1818 N Meade StAppleton, WI 54911 (920) 735‑7645
- 201 N Mayfair RdMilwaukee, WI 53226 (414) 259‑7200
Group practices
Medicare enrollment lists William D. Timm as a member of these groups (CMS data updated 2026-10-02).
- Thedacare, Incorporated647 clinicians in the group
- Infectious Disease Specialists of SE Wi, SC12 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902856016 |
| 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