Quick answers
- Which hospitals does Mark S. Obermyer work at?
- Medicare's official clinician data lists Mark S. Obermyer at 3 hospitals: Community Memorial Hospital, Froedtert Memorial Lutheran Hospital and Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark S. Obermyer see patients?
- Medicare's clinician data lists 5 practice locations, including Brookfield, WI, Menomonee Falls, WI and Germantown, WI. Call before your visit to confirm the address.
- What is Mark S. Obermyer's specialty?
- Medicare lists Pediatric Medicine as the primary specialty.
- Does Mark S. Obermyer accept Medicare assignment?
- Yes. Medicare's clinician data says Mark S. Obermyer 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 Mark S. Obermyer offer telehealth?
- Medicare's clinician data says Mark S. Obermyer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark S. Obermyer?
- (262) 532-8300, as listed in official Medicare / NPI Registry data.
- What is Mark S. Obermyer's NPI number?
- 1669634820. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark S. Obermyer works
Medicare's Facility Affiliation Data lists Mark S. Obermyer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Memorial HospitalMenomonee Falls, WI · Acute Care Hospital · CCN 520103
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · CCN 520177
- Waukesha Memorial HospitalWaukesha, WI · Acute Care Hospital · CCN 520008
Practice locations
Addresses where Mark S. Obermyer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1905 N Calhoun RdBrookfield, WI 53005
- 21700 Intertech DrBrookfield, WI 53045 (262) 532‑8300
- W129n7055 Northfield DrMenomonee Falls, WI 53051 (262) 253‑5400
- W168n11237 Western AveGermantown, WI 53022 (262) 253‑5060
- W180n8000 Town Hall RdMenomonee Falls, WI 53051 (262) 255‑2500
Group practices
Medicare enrollment lists Mark S. Obermyer 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
- Pediatric Medicineprimary
Other pediatricians in Brookfield
Clinicians with the same Medicare primary specialty in Brookfield, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669634820 |
| 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