Quick answers
- Which hospitals does David S. Marks work at?
- Medicare's official clinician data lists David S. Marks at 5 hospitals: Ascension Columbia St Marys Hospital Milwaukee, Community Memorial Hospital, Froedtert Memorial Lutheran Hospital, Holy Family Memorial and St Josephs Community Hospital West Bend. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David S. Marks see patients?
- Medicare's clinician data lists 7 practice locations, including Milwaukee, WI and Menomonee Falls, WI. Call before your visit to confirm the address.
- What is David S. Marks's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does David S. Marks accept Medicare assignment?
- Yes. Medicare's clinician data says David S. Marks 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 David S. Marks offer telehealth?
- Medicare's clinician data says David S. Marks offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for David S. Marks?
- (414) 955-4263, as listed in official Medicare / NPI Registry data.
- What is David S. Marks's NPI number?
- 1164460010. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David S. Marks works
Medicare's Facility Affiliation Data lists David S. Marks 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
- Community Memorial HospitalMenomonee Falls, WI · Acute Care Hospital · CCN 520103
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · CCN 520177
- Holy Family MemorialManitowoc, WI · Acute Care Hospital · CCN 520107
- St Josephs Community Hospital West BendWest Bend, WI · Acute Care Hospital · CCN 520063
Practice locations
Addresses where David S. Marks is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1155 N Mayfair Rd, Fl 2Milwaukee, WI 53226 (414) 955‑4263
- 8701 W Watertown PlankMilwaukee, WI 53226 (414) 805‑3666
- 8701 Watertown Plank Rd, Room 4041 MfrcMilwaukee, WI 53226 (414) 805‑3666
- W180 N8065 Town Hall RdMenomonee Falls, WI 53051 (262) 251‑1000
- W180n8000 Town Hall RdMenomonee Falls, WI 53051 (262) 255‑2500
Group practices
Medicare enrollment lists David S. Marks as a member of these groups (CMS data updated 2026-10-02).
- The Medical College of Wisconsin Inc2,115 clinicians in the group
- Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group
Specialties
Other interventional cardiologists in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1164460010 |
| 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