Quick answers
- Which hospitals does Nguyen H. Phan work at?
- Medicare's official clinician data lists Nguyen H. Phan at 5 hospitals: Ascension Columbia St Marys Hospital Milwaukee, Ascension SE Wisconsin Hospital, Ascension St Francis Hospital, Froedtert Memorial Lutheran Hospital and Orthopaedic Hospital of Wisconsin. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nguyen H. Phan see patients?
- Medicare's clinician data lists 10 practice locations, including Mequon, WI, Milwaukee, WI and Glendale, WI. Call before your visit to confirm the address.
- What is Nguyen H. Phan's specialty?
- Medicare lists Cardiac Electrophysiology as the primary specialty.
- Does Nguyen H. Phan accept Medicare assignment?
- Yes. Medicare's clinician data says Nguyen H. Phan 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 Nguyen H. Phan?
- (262) 243-7300, as listed in official Medicare / NPI Registry data.
- What is Nguyen H. Phan's NPI number?
- 1194721407. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nguyen H. Phan works
Medicare's Facility Affiliation Data lists Nguyen H. Phan 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
- Ascension St Francis HospitalMilwaukee, WI · Acute Care Hospital · CCN 520078
- Froedtert Memorial Lutheran HospitalMilwaukee, WI · Acute Care Hospital · CCN 520177
- Orthopaedic Hospital of WisconsinGlendale, WI · Acute Care Hospital · CCN 520194
Practice locations
Addresses where Nguyen H. Phan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 13111 N Port Washington RdMequon, WI 53097 (262) 243‑7300
- 13133 N Port Washington RdMequon, WI 53097
- 13133 N Port Washington Rd, Suite G06Mequon, WI 53097 (262) 243‑8371
- 2301 N Lake DrMilwaukee, WI 53211
- 2323 N Lake DrMilwaukee, WI 53211 (414) 585‑1000
Group practices
Medicare enrollment lists Nguyen H. Phan as a member of this group (CMS data updated 2026-10-02).
- Columbia St Marys Hospital Milwaukee Inc306 clinicians in the group
Specialties
- Cardiac Electrophysiologyprimary
Other cardiac electrophysiologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194721407 |
| 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