Quick answers
- Which hospitals does Orell R. Williams work at?
- Medicare's official clinician data lists Orell R. Williams at 4 hospitals: Ascension SE Wisconsin Hospital, Aurora Medical Center Kenosha, Fort Memorial Hospital and Froedtert South Inc.. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Orell R. Williams see patients?
- Medicare's clinician data lists 8 practice locations, including Hartford, WI, Brookfield, WI and Wauwatosa, WI. Call before your visit to confirm the address.
- What is Orell R. Williams's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Orell R. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Orell R. Williams 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 Orell R. Williams?
- (337) 408-0805, as listed in official Medicare / NPI Registry data.
- What is Orell R. Williams's NPI number?
- 1972559755. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Orell R. Williams works
Medicare's Facility Affiliation Data lists Orell R. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · CCN 520136
- Aurora Medical Center KenoshaKenosha, WI · Acute Care Hospital · CCN 520189
- Fort Memorial HospitalFort Atkinson, WI · Acute Care Hospital · CCN 520071
- Froedtert South Inc.Kenosha, WI · Acute Care Hospital · CCN 520021
Practice locations
Addresses where Orell R. Williams is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1366 E Sumner St, Suite 1002Hartford, WI 53027 (337) 408‑0805
- 13950 W Capitol DrBrookfield, WI 53005 (414) 302‑5400
- 19333 W N AveBrookfield, WI 53045 (262) 780‑4111
- 19333 W N Ave, Suite 309Brookfield, WI 53045 (262) 785‑3010
- 201 N Mayfair RdWauwatosa, WI 53226
Group practices
Medicare enrollment lists Orell R. Williams as a member of these groups (CMS data updated 2026-10-02).
- Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group
- Fort Healthcare Inc155 clinicians in the group
- Curana Health of Wisconsin Inc45 clinicians in the group
- CH Specialty Services WI SC16 clinicians in the group
- Zenith Healthcare SC13 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Hartford
Clinicians with the same Medicare primary specialty in Hartford, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972559755 |
| 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