Quick answers
- Which hospitals does John O'Leary work at?
- Medicare's official clinician data lists John O'Leary at 2 hospitals: Froedtert Memorial Lutheran Hospital and St Josephs Community Hospital West Bend. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John O'Leary see patients?
- Medicare's clinician data lists 7 practice locations, including Wauwatosa, WI, West Bend, WI and New Berlin, WI. Call before your visit to confirm the address.
- What is John O'Leary's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does John O'Leary accept Medicare assignment?
- Yes. Medicare's clinician data says John O'Leary 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 John O'Leary offer telehealth?
- Medicare's clinician data says John O'Leary offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John O'Leary?
- (414) 955-5990, as listed in official Medicare / NPI Registry data.
- What is John O'Leary's NPI number?
- 1487347928. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John O'Leary works
Medicare's Facility Affiliation Data lists John O'Leary at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · CCN 520177
- St Josephs Community Hospital West BendWest Bend, WI · Acute Care Hospital · CCN 520063
Practice locations
Addresses where John O'Leary is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1155 N Mayfair RdWauwatosa, WI 53226 (414) 955‑5990
- 1700 W Paradise DrWest Bend, WI 53095 (262) 334‑3451
- 2180 S Main StWest Bend, WI 53095 (262) 532‑3127
- 4805 S Moorland RdNew Berlin, WI 53151 (262) 798‑7200
- W129n7055 Northfield DrMenomonee Falls, WI 53051 (262) 253‑5400
Group practices
Medicare enrollment lists John O'Leary as a member of this group (CMS data updated 2026-10-02).
- Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Wauwatosa
Clinicians with the same Medicare primary specialty in Wauwatosa, WI — not a recommendation.
Clinician information
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1487347928 |
| 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